joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40cf73
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 4], ecx
mov esi, edi
cmp dword [ebp + 8], esi
je 0x40cfb8
call fcn.004056d9
push 0xf0
push dword [ebp + 8]
mov ebx, dword [eax + 0xc]
push ebx
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x40cfb8
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov esi, eax
test esi, esi
je 0x40cfd4
push esi
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
mov ecx, dword [ebp - 4]
push edi
call fcn.00413ef5
mov ebx, eax
test edi, edi
je 0x40cfd2
test esi, esi
je 0x40cfd2
push esi
call dword [sym.imp.KERNEL32.dll_FreeResource]
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x4144da
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
xor esi, esi
call fcn.004056d9
push 5
push dword [ebp + 8]
mov ebx, dword [eax + 0xc]
push ebx
call dword [sym.imp.KERNEL32.dll_FindResourceW]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov edi, eax
test edi, edi
je 0x414511
push edi
call dword [sym.imp.KERNEL32.dll_LockResource]
mov esi, eax
mov ecx, dword [ebp - 4]
push ebx
push dword [ebp + 0xc]
push esi
call fcn.00414532
push edi
mov esi, eax
call dword [sym.imp.KERNEL32.dll_FreeResource]
pop edi
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x4b9aa5
Capabilities:
Get file system object information

Disassembly:
push 0x4c8
mov eax, 0x53b9af
call fcn.00519a70
mov ebx, ecx
mov eax, dword [ebx + 0x14]
sub eax, 0x10
push eax
call fcn.004030da
pop ecx
lea esi, [eax + 0x10]
mov dword [ebp - 0x4d0], esi
and dword [ebp - 4], 0
lea ecx, [ebp - 0x4d0]
push 0
push 0x5421c0
call fcn.0041158c
cmp eax, 0xffffffff
jne 0x4b9b59
push 0
push 0x548d74
lea ecx, [ebp - 0x4d0]
call fcn.0041158c
cmp eax, 0xffffffff
jne 0x4b9b59
push 0
push 0x543b94
lea ecx, [ebp - 0x4d0]
call fcn.0041158c
cmp eax, 0xffffffff
jne 0x4b9b59
mov eax, dword [ebx + 0x14]
sub eax, 0x10
push eax
call fcn.004030da
pop ecx
lea edi, [eax + 0x10]
mov dword [ebp - 0x4d4], edi
xor ecx, ecx
mov byte [ebp - 4], 1
push ecx
lea eax, [ebp - 0x218]
push eax
push 0x104
push ecx
push edi
push ecx
call dword [sym.imp.KERNEL32.dll_SearchPathW]
test eax, eax
jne 0x4b9b35
mov eax, dword [ebx]
mov ecx, ebx
call dword [eax + 0x14]
lea ecx, [edi - 0x10]
mov ebx, eax
call fcn.00402ae0
jmp 0x4b9b88
lea eax, [ebp - 0x218]
push eax
lea ecx, [ebp - 0x4d0]
call fcn.00403968
lea ecx, [edi - 0x10]
mov byte [ebp - 4], 0
call fcn.00402ae0
mov esi, dword [ebp - 0x4d0]
push 0x105
push 0x2b4
lea eax, [ebp - 0x4cc]
push eax
push 0
push esi
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
test eax, eax
je 0x4b9b7f
mov ebx, dword [ebp - 0x4cc]
jmp 0x4b9b88
mov eax, dword [ebx]
mov ecx, ebx
call dword [eax + 0x14]
mov ebx, eax
lea ecx, [esi - 0x10]
call fcn.00402ae0
mov eax, ebx
call fcn.00519a1f
ret
Function at 0x52c018
Capabilities:
Link many functions at runtime
Print debug messages

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x58e130]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_EncodePointer]
push esi
push edi
mov dword [ebp - 0x1c], eax
xor esi, esi
mov eax, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x20], eax
call ebx
mov edi, eax
mov dword [ebp - 0x18], edi
call fcn.00520305
mov dword [ebp - 0x14], eax
cmp dword [0x5992fc], esi
jne 0x52c10b
push 0x800
push esi
push 0x56e530
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
jne 0x52c098
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x57
jne 0x52c1eb
push esi
push esi
push 0x56e530
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
mov edi, eax
test edi, edi
je 0x52c1eb
push 0x56e548
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x52c1eb
push eax
call ebx
push 0x56e554
push edi
mov dword [0x5992fc], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push 0x56e564
push edi
mov dword [0x599300], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
push str.GetUserObjectInformationW
push edi
mov dword [0x599304], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x59930c], eax
test eax, eax
je 0x52c108
push str.GetProcessWindowStation
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call ebx
mov dword [0x599308], eax
mov edi, dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_IsDebuggerPresent]
test eax, eax
je 0x52c130
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x52c123
push eax
call dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
cmp dword [ebp - 0x14], esi
je 0x52c145
push 4
pop eax
jmp 0x52c1ed
cmp dword [ebp - 0x14], esi
je 0x52c145
push dword [0x5992fc]
call dword [sym.imp.KERNEL32.dll_DecodePointer]
push 3
jmp 0x52c12a
mov eax, dword [0x599308]
mov ebx, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, edi
je 0x52c1a3
cmp dword [0x59930c], edi
je 0x52c1a3
push eax
call ebx
push dword [0x59930c]
mov dword [ebp - 0x14], eax
call ebx
mov ecx, dword [ebp - 0x14]
mov dword [ebp - 0x18], eax
test ecx, ecx
je 0x52c1a3
test eax, eax
je 0x52c1a3
call ecx
test eax, eax
je 0x52c198
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call dword [ebp - 0x18]
test eax, eax
je 0x52c198
test byte [ebp - 8], 1
jne 0x52c1a3
mov edi, dword [ebp + 0x10]
or edi, 0x200000
jmp 0x52c1d3
mov eax, dword [0x599300]
cmp eax, edi
je 0x52c1d0
push eax
call ebx
test eax, eax
je 0x52c1d0
call eax
mov esi, eax
test esi, esi
je 0x52c1d0
mov eax, dword [0x599304]
cmp eax, edi
je 0x52c1d0
push eax
call ebx
test eax, eax
je 0x52c1d0
push esi
call eax
mov esi, eax
mov edi, dword [ebp + 0x10]
push dword [0x5992fc]
call ebx
test eax, eax
je 0x52c1eb
push edi
push dword [ebp - 0x20]
push dword [ebp - 0x1c]
push esi
call eax
jmp 0x52c1ed
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00518623
mov esp, ebp
pop ebp
ret
Function at 0x4035ac
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x1fb8008], 0x8088405
inc edx
mov dword [ebx + 0x1fb8008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x41cc40
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push ebp
mov esi, dword [ebp - 4]
mov edi, dword [ebp - 8]
cld
mov dl, 0x80
mov al, byte [esi]
add esi, 1
mov byte [edi], al
add edi, 1
mov ebx, 2
add dl, dl
jne 0x41cc71
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cc59
add dl, dl
jne 0x41cc7c
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cccd
xor eax, eax
add dl, dl
jne 0x41cc89
mov dl, byte [esi]
inc esi
adc dl, dl
jae 0x41cd6a
add dl, dl
jne 0x41cc98
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cca3
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41ccae
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41ccb9
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
je 0x41ccc3
mov ebx, edi
sub ebx, eax
mov al, byte [ebx]
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x41cc68
mov eax, 1
add dl, dl
jne 0x41ccdb
mov dl, byte [esi]
inc esi
adc dl, dl
adc eax, eax
add dl, dl
jne 0x41cce6
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41ccd2
sub eax, ebx
mov ebx, 1
jne 0x41cd19
mov ecx, 1
add dl, dl
jne 0x41ccff
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cd0a
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41ccf6
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cc68
dec eax
shl eax, 8
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x41cd30
mov dl, byte [esi]
inc esi
adc dl, dl
adc ecx, ecx
add dl, dl
jne 0x41cd3b
mov dl, byte [esi]
inc esi
adc dl, dl
jb 0x41cd27
cmp eax, 0x7d00
sbb ecx, 0xffffffff
cmp eax, 0x500
sbb ecx, 0xffffffff
cmp eax, 0x80
adc ecx, 0
cmp eax, 0x80
adc ecx, 0
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x41cc68
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x41cd8b
adc ecx, 2
mov ebp, eax
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x41cc68
pop ebp
sub edi, dword [ebp - 8]
mov dword [ebp - 0xc], edi
pop edi
pop esi
pop ebx
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
Function at 0x41e214
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov dword [ebp - 4], edx
mov ebx, eax
xor eax, eax
push ebp
push 0x1fa16d3
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 8], eax
mov ecx, ebx
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [ecx + 0x3c]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov edx, dword [eax + 0x78]
test edx, edx
je 0x41e2c5
add edx, ebx
mov eax, edx
mov esi, dword [eax + 0x18]
mov edx, dword [eax + 0x1c]
add edx, ebx
mov dword [ebp - 0x10], edx
mov edi, dword [eax + 0x20]
add edi, ebx
mov edx, dword [eax + 0x24]
add edx, ebx
mov dword [ebp - 0xc], edx
mov edx, dword [ebp - 4]
cmp edx, 0xffff
jbe 0x41e2ae
test esi, esi
jbe 0x41e2c5
mov eax, dword [edi]
add eax, ebx
mov edx, dword [ebp - 4]
call fcn.004088dc
test eax, eax
jne 0x41e2a0
mov eax, dword [ebp - 0xc]
movzx eax, word [eax]
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
jmp 0x41e2c5
add dword [ebp - 0xc], 2
add edi, 4
dec esi
test esi, esi
ja 0x41e27d
jmp 0x41e2c5
mov ecx, edx
sub ecx, dword [eax + 0x10]
cmp ecx, dword [eax + 0x14]
jae 0x41e2c5
mov eax, ecx
shl eax, 2
add eax, dword [ebp - 0x10]
mov eax, dword [eax]
mov dword [ebp - 8], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x1fa16da
ret
Function at 0x41eb1c
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 8], ecx
mov word [ebp - 2], dx
xor eax, eax
push ebp
push 0x1fa20cb
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp + 8]
call fcn.00404cd0
xor ebx, ebx
mov eax, ebx
and eax, 0x80000001
jns 0x41eb57
dec eax
or eax, 0xfffffffe
inc eax
test eax, eax
jne 0x41eb70
lea eax, [ebp - 0x10]
mov edx, dword [0x1fba258]
mov edx, dword [edx]
mov edx, dword [edx + 0xc]
call fcn.00404d30
jmp 0x41eb83
lea eax, [ebp - 0x10]
mov edx, dword [0x1fba258]
mov edx, dword [edx]
mov edx, dword [edx + 0x10]
call fcn.00404d30
lea eax, [ebp - 0x10]
mov edx, ebx
sar edx, 1
jns 0x41eb8f
adc edx, 0
mov edx, dword [edx*4 + 0x1fb90e8]
call fcn.00404f20
push 0
push 0x80
push 3
push 0
push 1
push 0x80000000
mov eax, dword [ebp - 0x10]
call fcn.00404f04
push eax
call fcn.00406b1c
mov esi, eax
cmp esi, 0xffffffff
je 0x41ec9d
mov eax, 0x40
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0x40
push edi
push esi
call fcn.00406d6c
test eax, eax
je 0x41ec90
mov eax, edi
cmp word [eax], 0x5a4d
jne 0x41ec90
push 0
push 0
mov eax, dword [eax + 0x3c]
push eax
push esi
call fcn.00406dcc
mov eax, edi
call fcn.00403288
mov eax, 0x18
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0x18
push edi
push esi
call fcn.00406d6c
test eax, eax
je 0x41ec90
mov eax, edi
cmp dword [eax], 0x4550
jne 0x41ec90
add eax, 4
mov dx, word [eax]
cmp dx, 0x14c
jb 0x41ec90
cmp dx, 0x150
ja 0x41ec90
mov eax, edi
call fcn.00403288
mov eax, 0xe0
call fcn.00403268
mov edi, eax
push 0
lea eax, [ebp - 0xc]
push eax
push 0xe0
push edi
push esi
call fcn.00406d6c
test eax, eax
je 0x41ec90
mov eax, edi
mov dx, word [eax + 0x44]
cmp dx, word [ebp - 2]
jne 0x41ec90
mov eax, dword [eax + 0x10]
mov edx, dword [ebp - 8]
mov dword [edx], eax
mov eax, dword [ebp + 8]
mov edx, dword [ebp - 0x10]
call fcn.00404d0c
mov eax, edi
call fcn.00403288
push esi
call fcn.00406ad4
mov eax, dword [ebp + 8]
mov eax, dword [eax]
xor edx, edx
call fcn.0040502c
jne 0x41ecb5
inc ebx
cmp ebx, 0x19
jne 0x41eb49
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x1fa20d2
lea eax, [ebp - 0x10]
call fcn.00404cd0
ret
Function at 0x4afce4
Capabilities:
Allocate or change rwx memory
Get system information on windows

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xffffffb4
mov dword [esp], eax
lea esi, [esp + 0x30]
lea eax, [esp + 0xc]
push eax
call sub.kernel32.dll_GetSystemInfo
mov edi, dword [esp]
push 0x1c
push esi
push edi
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x4afdaf
jmp 0x4afda3
cmp dword [esi + 0x10], 0x1000
jne 0x4afd8f
test byte [esi + 0x15], 1
jne 0x4afd8f
mov byte [esp + 4], 0
mov ebp, dword [esi + 0x14]
cmp ebp, 1
je 0x4afd40
cmp ebp, 2
je 0x4afd40
cmp ebp, 0x10
je 0x4afd40
cmp ebp, 0x20
jne 0x4afd5c
lea eax, [esp + 8]
push eax
push 0x40
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
test eax, eax
je 0x4afd5c
mov byte [esp + 4], 1
xor ebx, ebx
jmp 0x4afd6d
mov eax, dword [esi]
add eax, ebx
call fcn.004afcdc
add ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0xc]
jb 0x4afd60
cmp byte [esp + 4], 0
je 0x4afd8f
lea eax, [esp + 8]
push eax
mov eax, dword [esp + 0xc]
push eax
mov eax, dword [esi + 0xc]
push eax
mov eax, dword [esi]
push eax
call sub.kernel32.dll_VirtualProtect
mov eax, dword [esi]
add eax, dword [esi + 0xc]
mov edi, eax
push 0x1c
push esi
push edi
call sub.kernel32.dll_VirtualQuery
test eax, eax
je 0x4afdaf
mov eax, dword [esi + 4]
cmp eax, dword [esp]
je 0x4afd15
add esp, 0x4c
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..pdata
nop
mov ebx, 0x408ecc
nop
nop
mov ecx, 0x776912ab
nop
nop
test eax, eax
nop
nop
nop
je 0x43004e
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x430024
nop
mov eax, section..data
nop
nop
mov ebx, 0x42e1d0
nop
mov ecx, 0x16fd0e25
nop
nop
nop
test eax, eax
nop
je 0x430084
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43006c
nop
nop
nop
popal
nop
nop
nop
jmp 0x401219
Function at 0x426a30
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4b05ab
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.004a5148
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x426ab2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004a3022
mov eax, dword [eax]
push 0x5e1cf4
push eax
call fcn.004951c4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004a53d3
test bl, bl
je 0x426ab2
push 0x5e1cf4
lea ecx, [esp + 0xc]
call fcn.004a5763
push 0x5e1d00
lea ecx, [esp + 0xc]
call fcn.004a5763
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 0x426aee
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004a53d3
jmp 0x426bb9
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 0x426b72
lea edx, [esp + 0x7c]
push 0x5e1cfc
push edx
call fcn.004951c4
add esp, 8
test eax, eax
je 0x426b72
lea eax, [esp + 0x7c]
push 0x5e1cf8
push eax
call fcn.004951c4
add esp, 8
test eax, eax
je 0x426b72
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 0x426b02
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.004a53d3
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 0x4273c0
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 0x427422
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 0x427430
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4b062b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x5f1128]
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 0x427568
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x427496
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a53d3
xor eax, eax
jmp 0x4275df
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004a5510
push esi
lea ecx, [esp + 0xc]
call fcn.004a579f
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x5e1d34
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x4275bd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.004273c0
test eax, eax
jne 0x4275bd
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 accept
mov ecx, edi
call fcn.004273c0
test eax, eax
jne 0x4275bd
lea eax, [esp + 0x14]
push 0x5e1d10
push eax
call fcn.00496260
mov esi, eax
add esp, 8
test esi, esi
jne 0x42759c
lea ecx, [esp + 0x14]
push 0x5e1d0c
push ecx
call fcn.004961e0
mov esi, eax
add esp, 8
test esi, esi
jne 0x42759c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x42759f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004a54c0
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4274ae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004a53d3
xor eax, eax
jmp 0x4275df
mov byte [esi], 0
push 0x5e1d08
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.004a53d3
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 0x438060
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 0x4380ce
cmp si, 0x69
ja 0x4380ce
add esi, 0xffd0
cmp si, 0x11
je 0x43809e
push 0x11
call edi
test ax, ax
jge 0x43809e
or esi, 0x2000
cmp si, 0x10
je 0x4380b3
push 0x10
call edi
test ax, ax
jge 0x4380b3
or esi, 0x4000
cmp si, 0x12
je 0x4380c8
push 0x12
call edi
test ax, ax
jge 0x4380c8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x4380db
mov esi, 0xbd
jmp 0x43808f
cmp si, 0x6e
jne 0x4380e8
mov esi, 0xbe
jmp 0x43808f
cmp si, 0x6f
jne 0x438089
mov esi, 0xbf
jmp 0x43808f

Function at 0x439a40
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x6018a0]
xor edx, edx
cmp eax, edx
jne 0x439a66
xor eax, eax
mov byte [eax + 0x6017a0], al
inc eax
cmp eax, 0x100
jl 0x439a4e
mov dword [0x6018a0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x6017a0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x439af7
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 0x439aca
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 0x439a98
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x439b70
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 0x439bc3
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 0x439baa
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