joyce8/EMBER2024-capa huggingface dataset:
Function at 0x42b879
Capabilities:
Check if file exists
Get file attributes
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
push 0x128
xor ebx, ebx
push ebx
push esi
mov edi, ecx
call fcn.004159a0
add esp, 0xc
push 0x104
push dword [edi + 0xc]
lea eax, [esi + 0x22]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
mov eax, dword [edi + 4]
cmp eax, dword [0x4359b8]
je 0x42b980
lea ecx, [ebp - 0x18]
push ecx
lea ecx, [ebp - 0x10]
push ecx
lea ecx, [ebp - 8]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileTime]
test eax, eax
je 0x42b8e9
push ebx
push dword [edi + 4]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], ebx
jne 0x42b8f0
cmp ebx, ebx
jne 0x42b8f0
xor eax, eax
jmp 0x42b983
mov edi, dword [edi + 0xc]
cmp dword [edi - 0xc], ebx
jne 0x42b8fd
mov byte [esi + 0x20], bl
jmp 0x42b911
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
sete cl
dec cl
and ecx, eax
mov byte [esi + 0x20], cl
push 0xffffffffffffffff
lea eax, [ebp - 8]
push eax
lea ecx, [ebp - 0x20]
call fcn.0040b5fc
mov ecx, dword [eax]
mov dword [esi], ecx
mov eax, dword [eax + 4]
mov dword [esi + 4], eax
push 0xffffffffffffffff
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 0x20]
call fcn.0040b5fc
mov ecx, dword [eax]
mov dword [esi + 0x10], ecx
mov eax, dword [eax + 4]
mov dword [esi + 0x14], eax
push 0xffffffffffffffff
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x20]
call fcn.0040b5fc
mov ecx, dword [eax]
mov dword [esi + 8], ecx
mov ecx, dword [eax + 4]
mov dword [esi + 0xc], ecx
mov ecx, dword [esi]
or ecx, dword [esi + 4]
jne 0x42b96c
mov ecx, dword [eax]
mov dword [esi], ecx
mov eax, dword [eax + 4]
mov dword [esi + 4], eax
mov eax, dword [esi + 0x10]
or eax, dword [esi + 0x14]
jne 0x42b980
mov eax, dword [esi + 8]
mov dword [esi + 0x10], eax
mov eax, dword [esi + 0xc]
mov dword [esi + 0x14], eax
xor eax, eax
inc eax
pop edi
pop esi
pop ebx
leave
ret 4

Function at 0x42c585
Capabilities:
Get graphical window text

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x104
mov eax, dword [0x441168]
push esi
push dword [ebp + 0xc]
mov dword [ebp - 4], eax
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov esi, eax
mov eax, pe_nt_image_headers32
cmp esi, eax
ja 0x42c5d4
push eax
lea eax, [ebp - 0x104]
push eax
push dword [ebp + 8]
call dword [sym.imp.USER32.dll_GetWindowTextA]
cmp eax, esi
jne 0x42c5d4
push dword [ebp + 0xc]
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpA]
test eax, eax
je 0x42c5e0
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.USER32.dll_SetWindowTextA]
mov ecx, dword [ebp - 4]
pop esi
call fcn.00413df8
leave
ret 8
Function at 0x42d107
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x441168]
push esi
mov esi, ecx
cmp dword [esi + 0x50], 0
mov dword [ebp - 4], eax
je 0x42d154
push dword [ebp + 8]
call fcn.0042e7e9
mov esi, eax
test esi, esi
je 0x42d17c
push edi
push 4
lea eax, [ebp + 0x10]
push eax
push 4
push 0
push dword [ebp + 0xc]
push esi
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push esi
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
test edi, edi
sete al
pop edi
jmp 0x42d17c
push dword [ebp + 0x10]
lea eax, [ebp - 0x14]
push 0x433dcc
push eax
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0xc
push dword [esi + 0x64]
lea eax, [ebp - 0x14]
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_WritePrivateProfileStringA]
mov ecx, dword [ebp - 4]
pop esi
call fcn.00413df8
leave
ret 0xc

Function at 0x42dba4
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x118
cmp dword [ebp + 0xc], 0x800
mov eax, dword [0x441168]
mov dword [ebp - 4], eax
lea eax, [ebp + 0xc]
jne 0x42dc02
push 0x43405c
push eax
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
push esi
lea eax, [ebp + 0xc]
push eax
push dword [ebp + 8]
mov esi, 0x112
lea eax, [ebp - 0x118]
push esi
push eax
call fcn.00415397
add esp, 0x10
cmp eax, 0xffffffff
je 0x42dc16
cmp eax, esi
jae 0x42dc16
lea eax, [ebp - 0x118]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
jmp 0x42dc18
push 4
push eax
push 3
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoA]
test eax, eax
jne 0x42dbcd
jmp 0x42dc19
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
call fcn.00413df8
leave
ret
Function at 0x42dc39
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
mov eax, dword [0x441168]
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
xor ebx, ebx
push str.kernel32.dll
mov dword [ebp - 4], eax
mov dword [ebp - 0x18], ebx
xor esi, esi
call edi
push str.GetUserDefaultUILanguage
push eax
mov dword [ebp - 0x20], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
cmp eax, ebx
je 0x42dcdb
call eax
mov esi, dword [sym.imp.KERNEL32.dll_ConvertDefaultLocale]
mov ebx, 0x3ff
mov edi, 0xfc00
mov dword [ebp - 0x18], eax
movzx eax, ax
mov ecx, eax
and ecx, ebx
movzx ecx, cx
and eax, edi
or eax, ecx
push eax
mov dword [ebp - 0x1c], ecx
call esi
push dword [ebp - 0x1c]
mov dword [ebp - 0x3c], eax
call esi
push str.GetSystemDefaultUILanguage
push dword [ebp - 0x20]
mov dword [ebp - 0x38], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
call eax
mov dword [ebp - 0x18], eax
movzx eax, ax
mov ecx, eax
and ecx, ebx
movzx ebx, cx
and eax, edi
or eax, ebx
push eax
call esi
push ebx
mov dword [ebp - 0x34], eax
call esi
mov dword [ebp - 0x30], eax
push 4
xor ebx, ebx
jmp 0x42dddd
call dword [sym.imp.KERNEL32.dll_GetVersion]
test eax, eax
jns 0x42dd8b
lea eax, [ebp - 0x1c]
push eax
push 0x20019
push ebx
push str.Control_PanelDesktopResourceLocale
push SysReAllocString
mov dword [ebp - 0x1c], ebx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x42ddde
lea eax, [ebp - 0x20]
push eax
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x24]
push eax
push ebx
push ebx
push dword [ebp - 0x1c]
mov dword [ebp - 0x20], 0x10
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x42dd80
cmp dword [ebp - 0x24], 1
jne 0x42dd80
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x14]
push 0x43406c
push eax
call fcn.004153ee
add esp, 0xc
cmp eax, 1
jne 0x42dd80
mov eax, dword [ebp - 0x28]
mov esi, dword [sym.imp.KERNEL32.dll_ConvertDefaultLocale]
mov dword [ebp - 0x18], eax
movzx eax, ax
mov ecx, eax
and ecx, 0x3ff
movzx edi, cx
and eax, 0xfc00
or eax, edi
push eax
call esi
push edi
mov dword [ebp - 0x3c], eax
call esi
push 2
mov dword [ebp - 0x38], eax
pop esi
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x42ddde
push str.ntdll.dll
call edi
cmp eax, ebx
je 0x42ddde
lea ecx, [ebp - 0x18]
push ecx
push 0x42dc23
push 1
push 0x10
push eax
mov dword [ebp - 0x18], ebx
call dword [sym.imp.KERNEL32.dll_EnumResourceLanguagesA]
cmp word [ebp - 0x18], bx
je 0x42ddde
movzx eax, word [ebp - 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_ConvertDefaultLocale]
mov ecx, eax
and ecx, 0x3ff
movzx edi, cx
and eax, 0xfc00
or eax, edi
push eax
call esi
push edi
mov dword [ebp - 0x3c], eax
call esi
mov dword [ebp - 0x38], eax
push 2
pop esi
mov dword [ebp + esi*4 - 0x3c], 0x800
inc esi
xor edi, edi
cmp esi, ebx
jle 0x42de04
push dword [ebp + edi*4 - 0x3c]
push dword [ebp + 8]
call fcn.0042dba4
cmp eax, ebx
pop ecx
pop ecx
jne 0x42de06
inc edi
cmp edi, esi
jl 0x42dded
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
pop ebx
call fcn.00413df8
leave
ret 4
Function at 0x42de15
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
push edi
xor edi, edi
mov dword [ecx + 0x9c], edi
cmp dword [str.SoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer], edi
mov dword [ebp - 0x10], ecx
mov dword [ebp - 4], edi
mov dword [ebp - 8], edi
mov dword [ebp - 0x14], 4
mov dword [ebp - 0xc], edi
mov ebx, 0x440150
je 0x42ded1
push esi
lea eax, [ebp - 4]
push eax
push 1
push edi
push dword [ebx]
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x42deb9
mov esi, dword [ebx + 4]
jmp 0x42deb3
lea ecx, [ebp - 0x14]
push ecx
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0xc]
push ecx
push edi
push eax
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x42dea3
cmp dword [ebp - 0xc], 4
jne 0x42dea3
cmp dword [ebp - 8], edi
mov eax, dword [ebp - 0x10]
mov ecx, dword [esi + 4]
je 0x42de9b
or dword [eax + 0x9c], ecx
jmp 0x42dea3
not ecx
and dword [eax + 0x9c], ecx
mov dword [ebp - 8], edi
mov dword [ebp - 0x14], 4
mov dword [ebp - 0xc], edi
add esi, 8
mov eax, dword [esi]
cmp eax, edi
jne 0x42de67
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
add ebx, 8
cmp dword [ebx], edi
mov dword [ebp - 4], edi
jne 0x42de4a
pop esi
push edi
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
pop edi
inc eax
pop ebx
leave
ret

Function at 0x42e2be
Capabilities:
Query or enumerate registry key

Disassembly:
mov eax, 0x432294
call fcn.00415424
sub esp, 0x11c
mov eax, dword [0x441168]
push ebx
push esi
push edi
mov dword [ebp - 0x14], eax
mov eax, dword [ebp + 0xc]
mov eax, dword [eax]
mov dword [ebp - 0x10], esp
lea ecx, [ebp - 0x124]
push ecx
push eax
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
mov esi, eax
test esi, esi
jne 0x42e3b7
push 0x104
lea eax, [ebp - 0x11c]
push eax
push 0
push dword [ebp - 0x124]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
mov esi, eax
test esi, esi
jne 0x42e38b
and dword [ebp - 4], eax
lea eax, [ebp - 0x11c]
push eax
lea ecx, [ebp - 0x120]
call fcn.00402630
lea eax, [ebp - 0x120]
push eax
push dword [ebp - 0x124]
mov byte [ebp - 4], 1
call fcn.0042e2be
mov ecx, dword [ebp - 0x120]
mov esi, eax
test esi, esi
setne bl
add ecx, 0xfffffff0
mov byte [ebp - 4], 0
call fcn.00401040
test bl, bl
jne 0x42e38b
or dword [ebp - 4], 0xffffffff
jmp 0x42e2fc
cmp esi, 0x103
je 0x42e39b
cmp esi, 0x3f2
jne 0x42e3ab
mov eax, dword [ebp + 0xc]
push dword [eax]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
mov esi, eax
push dword [ebp - 0x124]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
mov ecx, dword [ebp - 0x14]
mov eax, esi
call fcn.00413df8
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x42f575
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
push edi
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov edi, dword [esp + 0x10]
test edi, edi
jle 0x42f5aa
cmp edi, dword [esi + 0xc]
jge 0x42f5aa
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x42f5aa
cmp edi, dword [eax + 8]
jge 0x42f5aa
mov eax, dword [eax + 0xc]
mov edi, dword [eax + edi*4]
jmp 0x42f5ac
xor edi, edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, edi
pop edi
pop esi
pop ebx
ret 4

Function at 0x42f6b0
Capabilities:
Allocate thread local storage

Disassembly:
xor eax, eax
push esi
mov esi, ecx
mov dword [esi + 0x14], eax
mov dword [esi + 0x18], eax
mov dword [esi + 0x18], 4
mov dword [esi + 4], eax
mov dword [esi + 8], 1
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], eax
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x42f6e4
jmp fcn.004243e3
lea eax, [esi + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov eax, esi
pop esi
ret

Function at 0x42f755
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, ecx
lea esi, [edi + 0x1c]
push esi
mov dword [ebp - 4], esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [ebp + 8]
xor ebx, ebx
cmp eax, ebx
jle 0x42f84e
cmp eax, dword [edi + 0xc]
jge 0x42f84e
push dword [edi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov esi, eax
cmp esi, ebx
je 0x42f7a6
mov ecx, dword [ebp + 8]
cmp ecx, dword [esi + 8]
jl 0x42f837
cmp dword [ebp + 0xc], ebx
je 0x42f837
jmp 0x42f7d0
push 0x10
call fcn.0042f441
cmp eax, ebx
je 0x42f7bc
mov ecx, eax
call fcn.0042f6a7
mov esi, eax
jmp 0x42f7be
xor esi, esi
mov dword [esi + 8], ebx
mov dword [esi + 0xc], ebx
mov ecx, dword [edi + 0x14]
mov eax, dword [edi + 0x18]
mov dword [esi + eax], ecx
mov dword [edi + 0x14], esi
mov eax, dword [esi + 0xc]
cmp eax, ebx
jne 0x42f7e7
mov eax, dword [edi + 0xc]
shl eax, 2
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
jmp 0x42f7f7
mov ecx, dword [edi + 0xc]
push 2
shl ecx, 2
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_LocalReAlloc]
cmp eax, ebx
jne 0x42f809
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
call fcn.004243e3
mov ecx, dword [esi + 8]
mov dword [esi + 0xc], eax
mov edx, dword [edi + 0xc]
sub edx, ecx
shl edx, 2
push edx
lea eax, [eax + ecx*4]
push ebx
push eax
call fcn.004159a0
mov eax, dword [edi + 0xc]
add esp, 0xc
push esi
mov dword [esi + 8], eax
push dword [edi]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
mov ecx, dword [ebp + 8]
mov eax, dword [esi + 0xc]
cmp eax, ebx
je 0x42f849
cmp ecx, dword [esi + 8]
jge 0x42f849
mov edx, dword [ebp + 0xc]
mov dword [eax + ecx*4], edx
push dword [ebp - 4]
jmp 0x42f84f
push esi
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x405ef0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x422a34], 0
push esi
jne 0x405f27
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x405f01
mov dword [ecx*4 + 0x422a30], eax
inc ecx
cmp ecx, 0x100
jl 0x405efc
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405f58
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422a30]
xor eax, esi
inc ecx
dec edx
jne 0x405f3a
pop edi
not eax
pop esi
ret 0xc

Function at 0x41e7c0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x19000]
push edi
or ebp, 0xffffffff
jmp 0x41e7e2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x41e7e9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x41e7d8
mov eax, 1
add ebx, ebx
jne 0x41e7fb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x41e7f0
jne 0x41e80c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x41e7f0
xor ecx, ecx
sub eax, 3
jb 0x41e820
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x41e892
mov ebp, eax
add ebx, ebx
jne 0x41e82b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x41e838
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x41e85c
inc ecx
add ebx, ebx
jne 0x41e848
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x41e83d
jne 0x41e859
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x41e83d
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x41e87c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x41e86d
jmp 0x41e7de
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x41e87c
add edi, ecx
jmp 0x41e7de
pop esi
mov edi, esi
mov ecx, 0x88
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x41e89a
cmp byte [edi], 3
jne 0x41e89a
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x41e89f
lea edi, [esi + 0x1c000]
mov eax, dword [edi]
or eax, eax
je 0x41e917
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x204f0]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x20570]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x41e8cc
mov ecx, edi
jns 0x41e8fb
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x20578]
or eax, eax
je 0x41e911
mov dword [ebx], eax
add ebx, 4
jmp 0x41e8e9
call dword [esi + 0x20574]
mov ebp, dword [esi + 0x2057c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x1f7]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x41e94b
sub esp, 0xffffff80
jmp 0x401745
Function at 0x40c3a0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46e5fb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.00462f8e
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40c422
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00460d0d
mov eax, dword [eax]
push 0x4871c0
push eax
call fcn.00453b74
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00463219
test bl, bl
je 0x40c422
push 0x4871c0
lea ecx, [esp + 0xc]
call fcn.004635a9
push 0x48ad34
lea ecx, [esp + 0xc]
call fcn.004635a9
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x40c45e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00463219
jmp 0x40c529
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x40c4e2
lea edx, [esp + 0x7c]
push 0x48ad30
push edx
call fcn.00453b74
add esp, 8
test eax, eax
je 0x40c4e2
lea eax, [esp + 0x7c]
push 0x48ad2c
push eax
call fcn.00453b74
add esp, 8
test eax, eax
je 0x40c4e2
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x40c472
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.00463219
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x40cd20
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x40cd82
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x40cd90
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46e67b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x491618]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x40cec8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40cdf6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463219
xor eax, eax
jmp 0x40cf3f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.00463356
push esi
lea ecx, [esp + 0xc]
call fcn.004635e5
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x40cf1d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocString
call fcn.0040cd20
test eax, eax
jne 0x40cf1d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push SysReAllocString
mov ecx, edi
call fcn.0040cd20
test eax, eax
jne 0x40cf1d
lea eax, [esp + 0x14]
push 0x48ad48
push eax
call fcn.00454c80
mov esi, eax
add esp, 8
test esi, esi
jne 0x40cefc
lea ecx, [esp + 0x14]
push 0x48ad44
push ecx
call fcn.00454c00
mov esi, eax
add esp, 8
test esi, esi
jne 0x40cefc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40ceff
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.00463306
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40ce0e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00463219
xor eax, eax
jmp 0x40cf3f
mov byte [esi], 0
push 0x48ad40
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.00463219
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x41d500
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x41d56e
cmp si, 0x69
ja 0x41d56e
add esi, 0xffd0
cmp si, 0x11
je 0x41d53e
push 0x11
call edi
test ax, ax
jge 0x41d53e
or esi, 0x2000
cmp si, 0x10
je 0x41d553
push 0x10
call edi
test ax, ax
jge 0x41d553
or esi, 0x4000
cmp si, 0x12
je 0x41d568
push 0x12
call edi
test ax, ax
jge 0x41d568
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41d57b
mov esi, 0xbd
jmp 0x41d52f
cmp si, 0x6e
jne 0x41d588
mov esi, 0xbe
jmp 0x41d52f
cmp si, 0x6f
jne 0x41d529
mov esi, 0xbf
jmp 0x41d52f

Function at 0x41ec20
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4a1c98]
xor edx, edx
cmp eax, edx
jne 0x41ec46
xor eax, eax
mov byte [eax + 0x4a1b98], al
inc eax
cmp eax, 0x100
jl 0x41ec2e
mov dword [0x4a1c98], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4a1b98
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41ecd7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x41ecaa
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x41ec78
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41ed50
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x41eda3
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x41ed8a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret