joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4cd6c0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x515830
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.004cd270
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004cd2f0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004cd2f0
lea ecx, [esi + 0xc]
call fcn.00503b90
lea ecx, [esi + 0x10]
call fcn.00503b90
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004cfb30
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004cfb30
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004cfb30
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.00503c05
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.00503c05
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret

Function at 0x4ce368
Capabilities:
Get hostname

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x515a58
push eax
mov dword fs:[0], esp
sub esp, 0x64
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
test eax, eax
je 0x4ce378
call fcn.004ce890
mov edi, dword [esp + 0x7c]
test edi, edi
je 0x4ce45b
cmp byte [edi], 0
je 0x4ce45b
mov eax, dword [esp + 0x8c]
test eax, eax
jg 0x4ce39d
mov eax, 0x7d0
mov ecx, esi
mov dword [esi + 8], eax
call fcn.004cd090
test eax, eax
jne 0x4ce3bd
push 0x5c9d80
lea ecx, [esi + 0x38]
call fcn.00503d8e
jmp 0x4ce45b
mov eax, dword [esp + 0x80]
mov ecx, esi
push eax
push edi
call fcn.004cd0e0
test eax, eax
jne 0x4ce3ec
mov ecx, esi
call fcn.004cd1e0
push edi
add esi, 0x38
push 0x5c9d5c
push esi
call fcn.00501137
add esp, 0xc
jmp 0x4ce45b
push 0xdc
mov ecx, esi
mov dword [esi + 4], 1
call fcn.004cf120
test eax, eax
je 0x4ce454
lea ecx, [esp + 8]
push 0x64
push ecx
call sub.WS2_32.dll_gethostname
mov eax, dword [esp + 0x88]
mov ecx, dword [esp + 0x84]
lea edx, [esp + 0x8c]
mov dword [esp + 0x8c], 1
push edx
push eax
lea edx, [esp + 0x10]
push ecx
push edx
mov ecx, esi
call fcn.004ce530
test eax, eax
jne 0x4ce470
push edi
lea eax, [esi + 0x38]
push 0x5c9d38
push eax
call fcn.00501137
add esp, 0xc
mov ecx, esi
call fcn.004ce890
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x64]
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
mov eax, dword [esp + 0x8c]
test eax, eax
je 0x4ce518
mov ecx, dword [0x5d0538]
mov dword [esp + 0x7c], ecx
lea edx, [esp + 8]
lea eax, [esp + 0x7c]
push edx
push str.HELO__s_r_n
push eax
mov dword [esp + 0x80], 0
call fcn.00501137
mov edx, dword [esp + 0x88]
or ecx, 0xffffffff
mov edi, edx
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push edx
mov ecx, esi
call fcn.004cd190
test eax, eax
jne 0x4ce4da
push 0x5c9d1c
lea ecx, [esi + 0x38]
call fcn.00503d8e
jmp 0x4ce4ea
push 0xfa
mov ecx, esi
call fcn.004cf120
test eax, eax
jne 0x4ce507
mov ecx, esi
call fcn.004ce890
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.00503c05
jmp 0x4ce45b
lea ecx, [esp + 0x7c]
mov dword [esp + 0x74], 0xffffffff
call fcn.00503c05
mov ecx, dword [esp + 0x6c]
pop edi
mov eax, 1
pop esi
mov dword fs:[0], ecx
add esp, 0x70
ret 0x14
Function at 0x4d1a60
Capabilities:
Delete file

Disassembly:
push 0xffffffffffffffff
push 0x515eb8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x24
push ebx
push esi
mov esi, ecx
lea ecx, [esp + 0x10]
call fcn.004eaaa2
mov eax, dword [esp + 0x3c]
lea ecx, [esp + 8]
push eax
mov dword [esp + 0x38], 0
call fcn.00503c73
lea ecx, [esp + 0x3c]
push 1
push ecx
lea ecx, [esp + 0x10]
mov byte [esp + 0x3c], 1
call fcn.00500cbd
mov eax, dword [eax]
push 0x5caa4c
push eax
call fcn.004f1b04
add esp, 8
lea ecx, [esp + 0x3c]
test eax, eax
setne bl
call fcn.00503c05
test bl, bl
je 0x4d1ae0
push 0x5caa4c
lea ecx, [esp + 0xc]
call fcn.00503fe1
push 0x5caa48
lea ecx, [esp + 0xc]
call fcn.00503fe1
mov edx, dword [esp + 8]
push 0
push edx
lea ecx, [esp + 0x18]
call fcn.004eab65
test eax, eax
je 0x4d1ba4
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edi
mov bl, 2
lea ecx, [esp + 0x18]
call fcn.004ead85
mov edi, eax
mov eax, dword [esp + 0x18]
push 0x10
lea ecx, [esp + 0x1c]
call dword [eax + 0x38]
test eax, eax
je 0x4d1b60
lea ecx, [esp + 0x18]
call fcn.004ead4c
test eax, eax
jne 0x4d1b60
lea ecx, [esp + 0x44]
push ecx
lea ecx, [esp + 0x1c]
call fcn.004eae54
mov eax, dword [eax]
mov ecx, esi
push eax
mov byte [esp + 0x40], bl
call fcn.004d1a60
mov byte [esp + 0x3c], 1
lea ecx, [esp + 0x44]
jmp 0x4d1b95
lea ecx, [esp + 0x18]
call fcn.004ead4c
test eax, eax
jne 0x4d1b9a
mov edx, dword [esp + 0x18]
push 0x10
lea ecx, [esp + 0x1c]
call dword [edx + 0x38]
test eax, eax
jne 0x4d1b9a
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
call fcn.004eae54
mov eax, dword [eax]
push eax
call ebp
lea ecx, [esp + 0x14]
call fcn.00503c05
test edi, edi
jne 0x4d1b10
pop edi
pop ebp
lea ecx, [esp + 0x10]
call fcn.004eab1b
lea ecx, [esp + 8]
mov byte [esp + 0x34], 0
call fcn.00503c05
lea ecx, [esp + 0x10]
mov dword [esp + 0x34], 0xffffffff
call fcn.004eaadf
mov ecx, dword [esp + 0x2c]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x30
ret 4
Function at 0x4d1ca0
Capabilities:
Get file attributes
Set file attributes

Disassembly:
push 0xffffffffffffffff
push 0x515ee6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x14c
mov eax, dword [0x5d0538]
push ebx
push esi
mov ebx, ecx
mov dword [esp + 8], eax
mov dword [esp + 0x15c], 0
mov dword [esp + 0xc], eax
mov esi, dword [esp + 0x164]
lea ecx, [esp + 0xc]
push esi
mov byte [esp + 0x160], 1
call fcn.00503d8e
push str..
lea ecx, [esp + 0x10]
call fcn.00503fe1
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x14]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0x10], eax
jne 0x4d1d43
lea ecx, [esp + 0xc]
mov byte [esp + 0x15c], 0
call fcn.00503c05
lea ecx, [esp + 8]
mov dword [esp + 0x15c], 0xffffffff
call fcn.00503c05
xor eax, eax
jmp 0x4d1e88
push ebp
mov ebp, dword [esp + 0x16c]
push edi
mov edi, dword [esp + 0x174]
lea edx, [esp + 0x48]
push 0x5caa6c
push edx
call fcn.004f1b04
add esp, 8
test eax, eax
je 0x4d1e39
lea eax, [esp + 0x48]
push 0x5caa68
push eax
call fcn.004f1b04
add esp, 8
test eax, eax
je 0x4d1e39
test ebp, ebp
jne 0x4d1da5
lea ecx, [esp + 0x48]
push str.desktop.ini
push ecx
call fcn.004f1bb3
add esp, 8
test eax, eax
je 0x4d1e39
push esi
lea ecx, [esp + 0x14]
call fcn.00503d8e
push 0x5c
lea ecx, [esp + 0x14]
call fcn.00504008
lea edx, [esp + 0x48]
lea ecx, [esp + 0x10]
push edx
call fcn.00503fe1
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
test al, 1
je 0x4d1de5
mov ecx, dword [esp + 0x10]
and al, 0xfe
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
test byte [esp + 0x1c], 0x10
je 0x4d1e07
mov edx, dword [esp + 0x10]
push edi
push ebp
push edx
mov ecx, ebx
call fcn.004d1ca0
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryA]
jmp 0x4d1e39
test edi, edi
je 0x4d1e2e
lea ecx, [esp + 0x48]
push str.index.dat
push ecx
call fcn.004f1bb3
add esp, 8
test eax, eax
jne 0x4d1e2e
lea edx, [esp + 0x48]
mov ecx, ebx
push edx
push esi
call fcn.004d1eb0
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov edx, dword [esp + 0x18]
lea ecx, [esp + 0x1c]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x4d1d53
mov eax, dword [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
lea ecx, [esp + 0x14]
mov byte [esp + 0x164], 0
call fcn.00503c05
lea ecx, [esp + 0x10]
mov dword [esp + 0x164], 0xffffffff
call fcn.00503c05
pop edi
mov eax, 1
pop ebp
mov ecx, dword [esp + 0x154]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x158
ret 0xc
Function at 0x4d1eb0
Capabilities:
Get file size
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x515efb
push eax
mov eax, 0x2718
mov dword fs:[0], esp
call fcn.004f23c0
mov eax, dword [0x5d0538]
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.00503d8e
push 0x5c
lea ecx, [esp + 8]
call fcn.00504008
mov edx, dword [esp + 0x2730]
lea ecx, [esp + 4]
push edx
call fcn.00503fe1
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 0x4d1f56
lea ecx, [esp + 4]
mov dword [esp + 0x2724], eax
call fcn.00503c05
xor eax, eax
jmp 0x4d1fd3
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 0x4d1fb1
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
cmp esi, 0x2710
push 0
jbe 0x4d1fa3
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x2710
push edx
push edi
call ebx
sub esi, 0x2710
jne 0x4d1f7d
jmp 0x4d1fb1
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.00503c05
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 0x4d5110
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x6091c8]
xor edx, edx
cmp eax, edx
jne 0x4d5136
xor eax, eax
mov byte [eax + 0x6090c8], al
inc eax
cmp eax, 0x100
jl 0x4d511e
mov dword [0x6091c8], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x6090c8
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4d51c7
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 0x4d519a
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 0x4d5168
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret
Function at 0x4d5240
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 0x4d5293
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 0x4d527a
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

Function at 0x4dbc10
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x5160de
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x18]
push esi
push edi
mov edi, ecx
mov ecx, dword [esp + 0x1c]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x10], edi
call fcn.004dc530
push 0x10
mov dword [esp + 0x18], 0
mov dword [edi], 0x5ab1bc
call fcn.00503946
mov esi, eax
add esp, 4
mov dword [esp + 0x20], esi
mov al, 1
test esi, esi
mov byte [esp + 0x14], al
je 0x4dbca3
push 4
mov byte [esi + 8], al
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.00503946
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
mov byte [esp + 0x14], 2
je 0x4dbc9c
push 0
mov ecx, eax
call fcn.004d2d40
mov dword [esi + 0xc], eax
jmp 0x4dbca5
xor eax, eax
mov dword [esi + 0xc], eax
jmp 0x4dbca5
xor esi, esi
mov ecx, dword [esp + 0xc]
mov dword [edi + 0x30], esi
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x10
ret 8

Function at 0x506022
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x50605a
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.005040ac
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.00504084
jmp 0x506066
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x507710
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 0x507752
call fcn.0050d4c0
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x507752
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x507749
xor eax, eax
jmp 0x50775a
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00507760
pop edi
pop esi
pop ebx
ret 4
Function at 0x50d9f0
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 0x50da1e
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x50da3c
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.0050d956
jmp 0x50da3c
mov eax, dword [esi + 0x14]
test eax, eax
je 0x50da3c
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.0050d956
test edi, edi
mov eax, edi
jne 0x50da26
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x40d1e0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x469e6b
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.0045e979
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x40d262
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0045c890
mov eax, dword [eax]
push 0x480210
push eax
call fcn.0044f4c4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0045ec04
test bl, bl
je 0x40d262
push 0x480210
lea ecx, [esp + 0xc]
call fcn.0045ef94
push 0x483d7c
lea ecx, [esp + 0xc]
call fcn.0045ef94
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 0x40d29e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0045ec04
jmp 0x40d369
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 0x40d322
lea edx, [esp + 0x7c]
push 0x483d78
push edx
call fcn.0044f4c4
add esp, 8
test eax, eax
je 0x40d322
lea eax, [esp + 0x7c]
push 0x483d74
push eax
call fcn.0044f4c4
add esp, 8
test eax, eax
je 0x40d322
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 0x40d2b2
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.0045ec04
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 0x40db60
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 0x40dbc2
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 0x40dbd0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x469eeb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x48a284]
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 0x40dd08
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x40dc36
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045ec04
xor eax, eax
jmp 0x40dd7f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045ed41
push esi
lea ecx, [esp + 0xc]
call fcn.0045efd0
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 0x40dd5d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.0040db60
test eax, eax
jne 0x40dd5d
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 closesocket
mov ecx, edi
call fcn.0040db60
test eax, eax
jne 0x40dd5d
lea eax, [esp + 0x14]
push 0x483d90
push eax
call fcn.004505d0
mov esi, eax
add esp, 8
test esi, esi
jne 0x40dd3c
lea ecx, [esp + 0x14]
push 0x483d8c
push ecx
call fcn.00450550
mov esi, eax
add esp, 8
test esi, esi
jne 0x40dd3c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x40dd3f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045ecf1
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x40dc4e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0045ec04
xor eax, eax
jmp 0x40dd7f
mov byte [esi], 0
push 0x483d88
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.0045ec04
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 0x41f6b0
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 0x41f71e
cmp si, 0x69
ja 0x41f71e
add esi, 0xffd0
cmp si, 0x11
je 0x41f6ee
push 0x11
call edi
test ax, ax
jge 0x41f6ee
or esi, 0x2000
cmp si, 0x10
je 0x41f703
push 0x10
call edi
test ax, ax
jge 0x41f703
or esi, 0x4000
cmp si, 0x12
je 0x41f718
push 0x12
call edi
test ax, ax
jge 0x41f718
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x41f72b
mov esi, 0xbd
jmp 0x41f6df
cmp si, 0x6e
jne 0x41f738
mov esi, 0xbe
jmp 0x41f6df
cmp si, 0x6f
jne 0x41f6d9
mov esi, 0xbf
jmp 0x41f6df

Function at 0x420ea0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x49a990]
xor edx, edx
cmp eax, edx
jne 0x420ec6
xor eax, eax
mov byte [eax + 0x49a890], al
inc eax
cmp eax, 0x100
jl 0x420eae
mov dword [0x49a990], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x49a890
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x420f57
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 0x420f2a
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 0x420ef8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x420fd0
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 0x421023
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 0x42100a
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