joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4bbb50
Capabilities:
Get file size
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x51279b
push eax
mov eax, 0x2718
mov dword fs:[0], esp
call fcn.004dd8f0
mov eax, dword [0x6bca4c]
push edi
mov dword [esp + 4], eax
mov ecx, 0x9c4
xor eax, eax
lea edi, [esp + 0xc]
mov dword [esp + 0x2724], 0
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x272c]
push ecx
lea ecx, [esp + 8]
call fcn.00500c4e
push 0x5c
lea ecx, [esp + 8]
call fcn.00500ec8
mov edx, dword [esp + 0x2730]
lea ecx, [esp + 4]
push edx
call fcn.00500ea1
mov eax, dword [esp + 4]
push 0
push 0x80
push 3
push 0
push 3
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4bbbf6
lea ecx, [esp + 4]
mov dword [esp + 0x2724], eax
call fcn.00500ac5
xor eax, eax
jmp 0x4bbc73
push ebx
push esi
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push 0
push 0
mov esi, eax
push 0x40
push edi
sub esi, 0x40
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test esi, esi
jbe 0x4bbc51
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
cmp esi, 0x2710
push 0
jbe 0x4bbc43
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x2710
push edx
push edi
call ebx
sub esi, 0x2710
jne 0x4bbc1d
jmp 0x4bbc51
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push esi
push ecx
push edi
call ebx
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [esp + 0xc]
mov dword [esp + 0x272c], 0xffffffff
call fcn.00500ac5
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x271c]
pop edi
mov dword fs:[0], ecx
add esp, 0x2724
ret 8

Function at 0x4be4a0
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5512f8
push 0x4df0f4
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
rdtsc
mov esi, eax
mov edi, edx
call ebx
rdtsc
pop ebx
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0xffffffff
xor esi, esi
mov edi, dword [ebp - 0x20]
push 1
push esi
push esi
mov eax, dword [ebp - 0x28]
push eax
call fcn.004dcfc0
sub eax, esi
sbb edx, edi
mov ecx, dword [ebp - 0x1c]
sub eax, ecx
sbb edx, esi
mov ecx, dword [ebp - 0x24]
add eax, ecx
adc edx, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4be650
Capabilities:
Check os version

Disassembly:
sub esp, 0xa0
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0xc]
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x9c
push eax
call esi
test eax, eax
jne 0x4be691
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x4be6fe
cmp dword [esp + 0x1c], 2
jne 0x4be6fe
cmp dword [esp + 0x10], 5
jne 0x4be6fe
cmp dword [esp + 0x14], 1
jne 0x4be6fe
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x4be6e8
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x4be6d9
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x4be6e1
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x4be6fe
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret
Function at 0x4bf2a0
Capabilities:
Get storage device properties

Disassembly:
mov eax, 0x2820
call fcn.004dd8f0
mov eax, dword [esp + 0x2824]
push ebx
push esi
push edi
push eax
lea ecx, [esp + 0x20]
push str..PhysicalDrive_d
push ecx
call fcn.004de77e
add esp, 0xc
lea edx, [esp + 0x1c]
push 0
push 0
push 3
push 0
push 3
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x4bf44d
xor eax, eax
mov ecx, 0x9c4
mov dword [esp + 0x10], eax
lea edi, [esp + 0x11c]
mov dword [esp + 0x14], eax
mov ebx, dword [sym.imp.KERNEL32.dll_DeviceIoControl]
rep stosd dword es:[edi], eax
lea ecx, [esp + 0xc]
push eax
push ecx
lea edx, [esp + 0x124]
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
push 0x2710
push edx
lea eax, [esp + 0x20]
push 0xc
push eax
push 0x2d1400
push esi
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
je 0x4bf44d
mov ecx, dword [esp + 0x283c]
mov edx, dword [esp + 0x128]
push ecx
push 0
lea eax, [esp + 0x124]
push edx
push eax
call fcn.004bf460
mov ecx, dword [esp + 0x2848]
mov edx, dword [esp + 0x13c]
push ecx
push 0
lea eax, [esp + 0x134]
push edx
push eax
call fcn.004bf460
mov ecx, dword [esp + 0x2860]
mov edx, dword [esp + 0x150]
push ecx
push 0
lea eax, [esp + 0x144]
push edx
push eax
call fcn.004bf460
mov ecx, dword [esp + 0x2864]
mov edx, dword [esp + 0x164]
push ecx
push 1
lea eax, [esp + 0x154]
push edx
push eax
call fcn.004bf460
mov ecx, dword [esp + 0x2884]
add esp, 0x40
xor eax, eax
lea edi, [esp + 0x11c]
mov dword [ecx], 1
mov ecx, 0x9c4
lea edx, [esp + 0xc]
push eax
rep stosd dword es:[edi], eax
push edx
lea eax, [esp + 0x124]
push 0x2710
push eax
push 0
push 0
push 0x700a0
push esi
call ebx
test eax, eax
je 0x4bf44d
mov edi, dword [esp + 0x124]
mov edx, dword [esp + 0x2848]
mov eax, dword [esp + 0x284c]
xor ecx, ecx
cmp edi, 0xc
push esi
setne cl
inc ecx
mov dword [edx], ecx
mov ecx, dword [esp + 0x138]
mov edx, dword [esp + 0x13c]
mov dword [eax], ecx
mov dword [eax + 4], edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x2820
ret
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x2820
ret

Function at 0x4c2cf0
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x4c2d56
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x4c2d56
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4c2d37
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret
Function at 0x4c3520
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4c3558
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x4c4280
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x4c42c9
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x4c4740
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x512e50
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004c42f0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004c4370
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004c4370
lea ecx, [esi + 0xc]
call fcn.00500a50
lea ecx, [esi + 0x10]
call fcn.00500a50
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004c58d0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004c58d0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004c58d0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.00500ac5
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.00500ac5
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4c7980
Capabilities:
Enumerate pe sections

Disassembly:
push ecx
mov eax, dword [esp + 0x10]
push ebx
push ebp
xor ecx, ecx
mov ebp, dword [eax + 4]
mov eax, dword [eax]
mov dword [esp + 8], 0
mov cx, word [eax + 0x14]
cmp word [eax + 6], 0
lea ebx, [ecx + eax + 0x18]
jbe 0x4c7a41
push esi
push edi
add ebx, 0x10
cmp dword [ebx], 0
jne 0x4c79eb
mov edx, dword [esp + 0x1c]
mov esi, dword [edx + 0x38]
test esi, esi
jle 0x4c7a1f
mov eax, dword [ebx - 4]
push 4
push 0x1000
add eax, ebp
push esi
push eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov ecx, esi
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx - 8], edi
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
jmp 0x4c7a1f
mov ecx, dword [ebx - 4]
mov eax, dword [ebx]
push 4
push 0x1000
add ecx, ebp
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov ecx, dword [ebx]
mov esi, dword [ebx + 4]
mov edi, dword [esp + 0x18]
mov edx, ecx
add esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dword [ebx - 8], eax
mov ecx, dword [esp + 0x20]
mov eax, dword [esp + 0x10]
inc eax
add ebx, 0x28
mov edx, dword [ecx]
xor ecx, ecx
mov dword [esp + 0x10], eax
mov cx, word [edx + 6]
cmp eax, ecx
jl 0x4c79ae
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret

Function at 0x4c7a50
Capabilities:
Enumerate pe sections

Disassembly:
push ecx
mov eax, dword [esp + 8]
push ebx
xor ecx, ecx
push ebp
mov ebx, dword [eax]
xor ebp, ebp
mov cx, word [ebx + 0x14]
cmp word [ebx + 6], bp
lea eax, [ecx + ebx + 0x18]
jbe 0x4c7b09
push esi
push edi
lea edi, [eax + 0x24]
mov eax, dword [edi]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x4c7aa7
mov edx, dword [edi - 0x14]
mov eax, dword [edi - 0x1c]
push 0x4000
push edx
push eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x4c7aef
lea ecx, [edx + ecx*2]
test eax, 0x4000000
lea edx, [esi + ecx*2]
mov esi, dword [edx*4 + 0x66baec]
je 0x4c7ac1
or esi, 0x200
mov edx, dword [edi - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x4c7adc
test al, 0x40
je 0x4c7ad3
mov ecx, dword [ebx + 0x20]
jmp 0x4c7ada
test al, 0x80
je 0x4c7aef
mov ecx, dword [ebx + 0x24]
test ecx, ecx
jbe 0x4c7aef
mov ecx, dword [edi - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov edx, dword [esp + 0x18]
xor eax, eax
inc ebp
add edi, 0x28
mov ebx, dword [edx]
mov ax, word [ebx + 6]
cmp ebp, eax
jl 0x4c7a74
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4f63c0
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x514980
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
mov al, byte [esp + 0x3c]
push ebx
xor ebx, ebx
push esi
mov esi, ecx
mov byte [esp + 0x10], al
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], ebx
mov dword [esp + 0x1c], ebx
mov ecx, dword [esp + 0x44]
push ebx
mov dword [esp + 0x40], ebx
mov byte [esp + 0x28], al
mov edx, dword [ecx]
lea ecx, [esp + 0x28]
mov dword [esp + 0x24], edx
call fcn.004eb454
mov eax, dword [0x61ce98]
lea ecx, [esp + 0x10]
push eax
push ebx
push ecx
lea ecx, [esp + 0x30]
call fcn.004eb386
lea edx, [esp + 0x20]
lea eax, [esp + 8]
push edx
push eax
mov ecx, esi
mov byte [esp + 0x44], 1
call fcn.004f6ea0
mov esi, dword [eax]
mov ecx, dword [eax + 4]
mov eax, dword [esp + 0x28]
cmp eax, ebx
mov dword [esp + 0xc], ecx
je 0x4f6467
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4f645e
cmp al, 0xff
je 0x4f645e
dec al
mov byte [ecx], al
jmp 0x4f6467
push ecx
call fcn.0050082f
add esp, 4
mov eax, dword [esp + 0x14]
mov dword [esp + 0x28], ebx
cmp eax, ebx
mov dword [esp + 0x2c], ebx
mov dword [esp + 0x30], ebx
je 0x4f6498
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4f648f
cmp al, 0xff
je 0x4f648f
dec al
mov byte [ecx], al
jmp 0x4f6498
push ecx
call fcn.0050082f
add esp, 4
mov ecx, dword [esp + 0x34]
lea eax, [esi + 0x10]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x38
ret 4
Function at 0x502ee2
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x502f1a
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.00500f6c
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00500f44
jmp 0x502f26
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x5045d0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x504612
call fcn.0050a5c4
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x504612
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x504609
xor eax, eax
jmp 0x50461a
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00504620
pop edi
pop esi
pop ebx
ret 4

Function at 0x50aaf4
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x50ab22
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x50ab40
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0050aa5a
jmp 0x50ab40
mov eax, dword [esi + 0x14]
test eax, eax
je 0x50ab40
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0050aa5a
test edi, edi
mov eax, edi
jne 0x50ab2a
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x40c340
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x46a02b
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.0045ea4e
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40c3c2
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045c7cd
mov eax, dword [eax]
push 0x48f1e0
push eax
call fcn.0044f634
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045ecd9
test bl, bl
je 0x40c3c2
push 0x48f1e0
lea ecx, [esp + 0xc]
call fcn.0045f069
push 0x492d5c
lea ecx, [esp + 0xc]
call fcn.0045f069
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 0x40c3fe
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045ecd9
jmp 0x40c4c9
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 0x40c482
lea edx, [esp + 0x7c]
push 0x492d58
push edx
call fcn.0044f634
add esp, 8
test eax, eax
je 0x40c482
lea eax, [esp + 0x7c]
push 0x492d54
push eax
call fcn.0044f634
add esp, 8
test eax, eax
je 0x40c482
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 0x40c412
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.0045ecd9
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 0x40ccc0
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 0x40cd22
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 0x40cd30
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x46a0ab
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x499230]
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 0x40ce68
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40cd96
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045ecd9
xor eax, eax
jmp 0x40cedf
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045ee16
push esi
lea ecx, [esp + 0xc]
call fcn.0045f0a5
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 0x40cebd
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0040ccc0
test eax, eax
jne 0x40cebd
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.0040ccc0
test eax, eax
jne 0x40cebd
lea eax, [esp + 0x14]
push 0x492d70
push eax
call fcn.00450670
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ce9c
lea ecx, [esp + 0x14]
push 0x492d6c
push ecx
call fcn.004505f0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40ce9c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40ce9f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045edc6
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40cdae
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045ecd9
xor eax, eax
jmp 0x40cedf
mov byte [esi], 0
push 0x492d68
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.0045ecd9
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 0x41d490
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 0x41d4fe
cmp si, 0x69
ja 0x41d4fe
add esi, 0xffd0
cmp si, 0x11
je 0x41d4ce
push 0x11
call edi
test ax, ax
jge 0x41d4ce
or esi, 0x2000
cmp si, 0x10
je 0x41d4e3
push 0x10
call edi
test ax, ax
jge 0x41d4e3
or esi, 0x4000
cmp si, 0x12
je 0x41d4f8
push 0x12
call edi
test ax, ax
jge 0x41d4f8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41d50b
mov esi, 0xbd
jmp 0x41d4bf
cmp si, 0x6e
jne 0x41d518
mov esi, 0xbe
jmp 0x41d4bf
cmp si, 0x6f
jne 0x41d4b9
mov esi, 0xbf
jmp 0x41d4bf

Function at 0x41ebb0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4a9890]
xor edx, edx
cmp eax, edx
jne 0x41ebd6
xor eax, eax
mov byte [eax + 0x4a9790], al
inc eax
cmp eax, 0x100
jl 0x41ebbe
mov dword [0x4a9890], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4a9790
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x41ec67
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 0x41ec3a
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 0x41ec08
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x41ece0
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 0x41ed33
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 0x41ed1a
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