joyce8/EMBER2024-capa huggingface dataset:
Function at 0x42be9b
Capabilities:
Decompress data using aplib

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x18
mov al, byte [ecx]
and dword [esp + 0x14], 0
push ebx
push ebp
mov byte [edx], al
lea eax, [edx + 1]
push esi
mov dword [esp + 0x18], eax
push edi
mov dword [esp + 0x14], edx
mov esi, dword [esp + 0x14]
lea eax, [ecx + 1]
xor edi, edi
xor ebp, ebp
mov dword [esp + 0x18], eax
lea ecx, [esp + 0x18]
call fcn.0042be44
test eax, eax
je 0x42bff4
lea ecx, [esp + 0x18]
call fcn.0042be44
lea ecx, [esp + 0x18]
test eax, eax
je 0x42bf63
call fcn.0042be44
test eax, eax
je 0x42bf25
push 4
xor edi, edi
pop ebx
lea ecx, [esp + 0x18]
call fcn.0042be44
lea edi, [eax + edi*2]
dec ebx
jne 0x42befb
mov edx, dword [esp + 0x1c]
test edi, edi
je 0x42bf1c
mov eax, edx
sub eax, edi
mov al, byte [eax]
mov byte [edx], al
jmp 0x42bf1f
mov byte [edx], 0
inc edx
jmp 0x42c006
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
movzx esi, byte [eax]
mov ecx, esi
and ecx, 1
inc eax
add ecx, 2
shr esi, 1
mov dword [esp + 0x18], eax
je 0x42bf5b
test ecx, ecx
je 0x42bfef
mov edi, edx
sub edi, esi
mov al, byte [edi]
mov byte [edx], al
inc edx
inc edi
dec ecx
jne 0x42bf4d
jmp 0x42bfeb
xor ebp, ebp
inc ebp
jmp 0x42bfef
call fcn.0042be7a
test edi, edi
jne 0x42bf98
cmp eax, 2
jne 0x42bf93
lea ecx, [esp + 0x18]
call fcn.0042be7a
mov edx, dword [esp + 0x1c]
mov edi, eax
test edi, edi
je 0x42bfef
mov ecx, edx
sub ecx, esi
mov al, byte [ecx]
mov byte [edx], al
inc edx
inc ecx
dec edi
jne 0x42bf88
jmp 0x42bfeb
sub eax, 3
jmp 0x42bf9b
sub eax, 2
mov ecx, dword [esp + 0x18]
mov esi, eax
movzx eax, byte [ecx]
shl esi, 8
add esi, eax
inc ecx
mov dword [esp + 0x18], ecx
lea ecx, [esp + 0x18]
call fcn.0042be7a
mov ecx, eax
cmp esi, 0x7d00
jb 0x42bfc2
inc ecx
cmp esi, 0x500
jb 0x42bfcb
inc ecx
cmp esi, 0x80
jae 0x42bfd6
add ecx, 2
mov edx, dword [esp + 0x1c]
test ecx, ecx
je 0x42bfef
mov edi, edx
sub edi, esi
mov al, byte [edi]
mov byte [edx], al
inc edx
inc edi
dec ecx
jne 0x42bfe2
mov dword [esp + 0x1c], edx
xor edi, edi
inc edi
jmp 0x42c00c
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov al, byte [ecx]
mov byte [edx], al
inc edx
inc ecx
mov dword [esp + 0x18], ecx
xor edi, edi
mov dword [esp + 0x1c], edx
test ebp, ebp
je 0x42becb
sub edx, dword [esp + 0x14]
pop edi
mov eax, edx
pop esi
pop ebp
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x42c191
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, edx
mov ebx, edi
shr ebx, 2
and edi, 3
mov esi, ecx
test ebx, ebx
je 0x42c1c3
mov al, byte [esp + 0x14]
mov edx, dword [esi]
add al, bl
movzx ecx, al
mov eax, dword [esp + 0x10]
ror edx, cl
xor edx, eax
sub edx, ebx
mov dword [esi], edx
add esi, 4
dec ebx
jne 0x42c1a4
jmp 0x42c1c7
mov eax, dword [esp + 0x10]
test edi, edi
je 0x42c1d1
xor byte [esi], al
inc esi
dec edi
jne 0x42c1cb
pop edi
pop esi
pop ebx
ret 0xc
Function at 0x4013a0
Capabilities:
Persist via appinit_dlls registry key
Set registry value
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov eax, dword [0x40a004]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
lea eax, [ebp - 0x1c]
push eax
push 3
push 0
push str.SOFTWAREMicrosoftWindows_NTCurrentVersionWindows
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
je 0x4013de
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040281c
mov esp, ebp
pop ebp
ret
mov eax, 0x44bd30
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x4013e6
mov esi, dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
sub eax, edx
mov edx, dword [ebp - 0x1c]
sar eax, 1
lea ecx, [eax + eax]
push ecx
push 0x44bd30
push 1
push 0
push str.AppInit_DLLs
push edx
call esi
test eax, eax
jne 0x4013cd
mov ecx, dword [ebp - 0x1c]
push 4
lea eax, [ebp - 0x20]
push eax
push 4
push 0
push str.LoadAppInit_DLLs
push ecx
mov dword [ebp - 0x20], 1
call esi
mov edx, dword [ebp - 0x1c]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [0x40ab24]
mov edx, dword [0x40ab28]
mov eax, dword [0x40ab20]
mov dword [ebp - 0x10], ecx
mov ecx, dword [0x40ab30]
mov dword [ebp - 0xc], edx
mov edx, dword [0x40ab34]
mov dword [ebp - 0x14], eax
mov eax, dword [0x40ab2c]
mov dword [ebp - 0x28], ecx
mov ecx, dword [0x40ab38]
mov dword [ebp - 0x24], edx
xor edx, edx
or ecx, dword [str.C0Bq6b]
mov dword [ebp - 8], eax
mov dword [ebp - 0x18], edx
mov eax, 0x40ab38
je 0x4014a0
lea esp, [esp]
mov ecx, dword [eax + 0xc]
add eax, 8
add edx, 8
or ecx, dword [eax]
jne 0x401490
mov dword [ebp - 0x18], edx
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x14]
push ecx
push 0x40ab38
push 0x40ab38
call fcn.00401200
push 0
push 0
push 2
push 0
push 0
push 0x40000000
push 0x44bd30
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x4014f5
mov eax, dword [ebp - 0x18]
push 0
lea edx, [ebp - 0x18]
push edx
push eax
push 0x40ab38
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
xor ecx, ebp
mov al, 1
pop esi
call fcn.0040281c
mov esp, ebp
pop ebp
ret
Function at 0x401e80
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x408
mov eax, dword [0x40a004]
xor eax, ebp
mov dword [ebp - 4], eax
push edi
push 0x200
lea eax, [ebp - 0x404]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 0
push 0
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x404]
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
jne 0x401edc
xor eax, eax
pop edi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040281c
mov esp, ebp
pop ebp
ret
push esi
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edx, dword [0x44b890]
mov dword [ebp - 0x408], eax
add eax, 0x100
push eax
push 8
push edx
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp - 0x408]
push 0
mov esi, eax
lea eax, [ebp - 0x408]
push eax
push ecx
push esi
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 0x408]
mov ecx, dword [0x44b8a4]
lea eax, [esi + edx]
mov dword [eax], ecx
mov edx, dword [0x44b8a8]
push 0x44b894
push 0x44b8a4
mov dword [eax + 4], edx
call fcn.00401170
mov eax, dword [ebp - 0x408]
mov ecx, dword [ebp - 4]
add eax, 8
mov dword [ebx], eax
mov eax, esi
pop esi
xor ecx, ebp
pop edi
call fcn.0040281c
mov esp, ebp
pop ebp
ret
Function at 0x4068fb
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x40691f
xor eax, eax
test eax, eax
je 0x406932
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x406932
xor ecx, ecx
jmp 0x406935
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x406a58
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x43110c], 0
push esi
jne 0x406a8f
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 0x406a69
mov dword [ecx*4 + 0x431108], eax
inc ecx
cmp ecx, 0x100
jl 0x406a64
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x406ac0
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 + 0x431108]
xor eax, esi
inc ecx
dec edx
jne 0x406aa2
pop edi
not eax
pop esi
ret 0xc

Function at 0x433001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
call 0x43300c
nop
nop
nop
pop eax
nop
nop
add eax, 0x40a063
nop
nop
sub eax, 0x40a009
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
nop
xor dword [ebx], edx
nop
add ebx, 4
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
nop
jl 0x433030
nop
nop
nop
add eax, 0xc
nop
nop
nop
nop
nop
cmp dword [eax], 0
nop
nop
nop
jne 0x43301e
nop
popal
nop
nop
nop
nop
nop
jmp 0x431219
Function at 0x401000
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [section..data]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 8]
push eax
push 0x20006
push 0
mov ecx, dword [ebp + 8]
push ecx
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
jne 0x401090
mov edx, dword [ebp + 0x10]
mov dword [ebp - 0xc], edx
mov eax, dword [ebp - 0xc]
add eax, 2
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp - 0xc]
mov dx, word [ecx]
mov word [ebp - 0xe], dx
add dword [ebp - 0xc], 2
cmp word [ebp - 0xe], 0
jne 0x401042
mov eax, dword [ebp - 0xc]
sub eax, dword [ebp - 0x18]
sar eax, 1
mov dword [ebp - 0x1c], eax
mov ecx, dword [ebp - 0x1c]
lea edx, [ecx + ecx + 2]
push edx
mov eax, dword [ebp + 0x10]
push eax
push 1
push 0
mov ecx, dword [ebp + 0xc]
push ecx
mov edx, dword [ebp - 8]
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [ebp - 0x24], eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004010d5
mov esp, ebp
pop ebp
ret

Function at 0x4018db
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x40191a
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x40191a
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x40191a
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x40191a
cmp dword [ecx + 0x74], 0xe
jbe 0x40191a
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret
Function at 0x4032fc
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x4fc008], 0x8088405
inc edx
mov dword [ebx + 0x4fc008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x403e68
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x4fc024]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x403f00
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExW
test eax, eax
jne 0x403ee0
xor eax, eax
push ebp
push 0x403ed9
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x403f38
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExW
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x403ee0
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
movzx eax, word [0x4fc024]
and ax, 0xffc0
movzx edx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x4fc024], ax
mov esp, ebp
pop ebp
ret

Function at 0x404ff4
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x4ff054], 0
je 0x405055
cmp word [0x4ff330], 0xd7b2
jne 0x40501d
cmp dword [0x4ff338], 0
jbe 0x40501d
mov eax, 0x4ff32c
call dword [0x4ff348]
push 0
lea eax, [esp + 4]
push eax
push 0x1d
push str.Runtime_error_____at_00000000
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x405080
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x4fc030], 0
jne 0x405071
push 0
push str.Error
push str.Runtime_error_____at_00000000
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret

Function at 0x405200
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov ebx, ecx
mov dword [ebp - 4], edx
mov edi, eax
mov esi, dword [ebp + 0x10]
cmp dword [0x4fc034], 0
je 0x405226
mov edx, esi
mov eax, ebx
call dword [0x4fc034]
jmp 0x405235
mov eax, 8
call fcn.00403018
mov dword [eax], ebx
mov dword [eax + 4], esi
mov byte [0x4ff055], 1
mov edx, dword [ebp + 8]
push edx
mov edx, dword [ebp + 0xc]
push edx
push eax
mov eax, 0x4051c8
push eax
mov eax, dword [ebp - 4]
push eax
push edi
call sub.kernel32.dll_CreateThread
pop edi
pop esi
pop ebx
pop ecx
pop ebp
ret 0xc

Function at 0x406f40
Capabilities:
Get common file path
Set current directory

Disassembly:
push ebx
push esi
add esp, 0xfffffbe4
mov esi, edx
mov ebx, eax
test bl, bl
je 0x406f82
movzx eax, bl
add ax, 0x41
dec eax
mov word [esp], ax
mov word [esp + 2], 0x3a
mov word [esp + 4], 0
lea eax, [esp + 0x212]
push eax
push 0x105
call sub.kernel32.dll_GetCurrentDirectoryW
push esp
call sub.kernel32.dll_SetCurrentDirectoryW
lea eax, [esp + 8]
push eax
push 0x105
call sub.kernel32.dll_GetCurrentDirectoryW
test bl, bl
je 0x406fa2
lea eax, [esp + 0x212]
push eax
call sub.kernel32.dll_SetCurrentDirectoryW
mov eax, esi
lea edx, [esp + 8]
mov ecx, 0x105
call fcn.00406630
add esp, 0x41c
pop esi
pop ebx
ret
Function at 0x40abd8
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
mov esi, 0x501b68
push 0xa
push 0x40ac6c
mov eax, dword [0x501b50]
push eax
call sub.kernel32.dll_FindResourceW
mov ebx, eax
test ebx, ebx
jne 0x40abfc
call fcn.004136f0
push ebx
mov eax, dword [0x501b50]
push eax
call sub.kernel32.dll_LoadResource
mov ebx, eax
test ebx, ebx
jne 0x40ac13
call fcn.004136f0
push ebx
call sub.kernel32.dll_LockResource
mov dword [esi], eax
cmp dword [esi], 0
jne 0x40ac25
call fcn.004136f0
mov eax, dword [esi]
mov edx, dword [esi]
mov ecx, edx
add ecx, dword [eax]
mov dword [0x501b6c], ecx
mov ecx, edx
add ecx, dword [eax + 4]
mov dword [0x501b70], ecx
mov ecx, edx
add ecx, dword [eax + 8]
mov dword [0x501b74], ecx
mov ecx, edx
add ecx, dword [eax + 0xc]
mov dword [0x501b78], ecx
mov ecx, edx
add ecx, dword [eax + 0x10]
mov dword [0x501b7c], ecx
add edx, dword [eax + 0x14]
mov dword [0x501b80], edx
pop esi
pop ebx
ret

Function at 0x40c2a4
Capabilities:
Encrypt data using rc4 prga

Disassembly:
cmp eax, edx
je 0x40c34d
test eax, edx
je 0x40c350
push 0
push 0
cmp word [eax - 0xa], 2
je 0x40c2cd
push edx
mov edx, eax
mov eax, esp
call fcn.0040664c
pop edx
mov eax, dword [esp]
cmp word [edx - 0xa], 2
je 0x40c2e3
push eax
lea eax, [esp + 8]
call fcn.0040664c
pop eax
mov edx, dword [esp + 4]
movzx ecx, word [edx]
cmp cx, word [eax]
je 0x40c2f2
movzx eax, word [eax]
sub eax, ecx
jmp 0x40c319
push ebx
mov ebx, dword [eax - 4]
xor ecx, ecx
sub ebx, dword [edx - 4]
push ebx
adc ecx, 0xffffffff
and ecx, ebx
sub ecx, dword [eax - 4]
shl ecx, 1
sub eax, ecx
sub edx, ecx
mov ebx, dword [ecx + eax]
xor ebx, dword [ecx + edx]
jne 0x40c333
add ecx, 4
js 0x40c30a
pop eax
pop ebx
mov ecx, esp
mov edx, dword [ecx]
or edx, dword [ecx + 4]
je 0x40c330
push eax
mov eax, ecx
mov edx, 2
call fcn.004052a0
pop eax
pop edx
pop edx
ret
bsf ebx, ebx
shr ebx, 4
add ebx, ebx
add ecx, ebx
jns 0x40c317
movzx eax, word [ecx + eax]
movzx edx, word [ecx + edx]
sub eax, edx
pop ebx
pop ebx
jmp 0x40c319
xor eax, eax
ret
test eax, eax
je 0x40c360
test edx, edx
jne 0x40c2b4
mov eax, dword [eax - 4]
ret
sub eax, dword [edx - 4]
ret
Function at 0x4110f4
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffe00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push pe_nt_image_headers32
lea ecx, [ebp - 0x200]
push ecx
push edx
push eax
call sub.kernel32.dll_GetLocaleInfoW_1
test eax, eax
jle 0x41112d
mov ecx, eax
dec ecx
lea edx, [ebp - 0x200]
mov eax, ebx
call fcn.00406584
jmp 0x411136
mov eax, ebx
mov edx, esi
call fcn.00406448
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x411140
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov edi, ecx
mov esi, edx
mov ebx, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push ebx
call sub.kernel32.dll_GetLocaleInfoW_1
test eax, eax
jle 0x411162
movzx eax, word [esp]
jmp 0x411164
mov eax, edi
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x4118ec
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffff778
push ebx
push esi
xor ecx, ecx
mov dword [ebp - 4], ecx
xor ecx, ecx
push ebp
push 0x411a11
push dword fs:[ecx]
mov dword fs:[ecx], esp
push 0x400
lea ecx, [ebp - 0x888]
call fcn.00411700
mov esi, eax
mov eax, dword [0x4fee14]
cmp byte [eax], 0
je 0x4119b9
mov eax, dword [0x4feae0]
call fcn.00403450
call fcn.00403180
push 0
push 0
push 0
push 0
push esi
lea eax, [ebp - 0x888]
push eax
push 0
push 1
call sub.kernel32.dll_WideCharToMultiByte_1
mov ebx, eax
push ebx
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x4118c8]
call fcn.00408014
add esp, 4
push 0
push 0
push ebx
mov eax, dword [ebp - 4]
push eax
push esi
lea eax, [ebp - 0x888]
push eax
push 0
push 1
call sub.kernel32.dll_WideCharToMultiByte_1
push 0
lea eax, [ebp - 8]
push eax
push ebx
mov eax, dword [ebp - 4]
push eax
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
push 0
lea eax, [ebp - 8]
push eax
push 2
push 0x411a2c
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
jmp 0x4119f5
push 0x40
lea eax, [ebp - 0x88]
push eax
mov eax, dword [0x4fea64]
mov eax, dword [eax + 4]
push eax
mov eax, dword [0x501b50]
call fcn.00408108
push eax
call sub.user32.dll_LoadStringW_1
push 0x2010
lea eax, [ebp - 0x88]
push eax
lea eax, [ebp - 0x888]
push eax
push 0
call sub.user32.dll_MessageBoxW
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x411a18
lea eax, [ebp - 4]
mov edx, dword [0x4118c8]
call fcn.00408020
ret
Function at 0x412670
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe8
push ebx
xor edx, edx
mov dword [ebp - 4], edx
mov ebx, eax
xor eax, eax
push ebp
push 0x412746
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 8], 0xffffffff
lea eax, [ebp - 4]
mov edx, ebx
call fcn.0040649c
lea eax, [ebp - 4]
call fcn.00406ea0
lea eax, [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
call fcn.004064d4
push eax
call sub.version.dll_GetFileVersionInfoSizeW
mov ebx, eax
test ebx, ebx
je 0x412730
mov eax, ebx
call fcn.00403018
mov dword [ebp - 0x10], eax
xor eax, eax
push ebp
push 0x412729
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 0x10]
push eax
push ebx
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
call fcn.004064d4
push eax
call sub.version.dll_GetFileVersionInfoW
test eax, eax
je 0x412713
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 0x412758
mov eax, dword [ebp - 0x10]
push eax
call sub.version.dll_VerQueryValueW
test eax, eax
je 0x412713
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + 8]
mov dword [ebp - 8], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x412730
mov eax, dword [ebp - 0x10]
call fcn.00403034
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x41274d
lea eax, [ebp - 4]
call fcn.00406438
ret

Function at 0x41351f
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffdf8
mov ebx, eax
mov eax, ebx
call fcn.0040565c
mov ebp, eax
push 0
push 0
push ebp
push ebx
push 0
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar_1
mov edi, eax
cmp edi, 0x104
jbe 0x413542
mov eax, edi
add eax, eax
call fcn.00403018
mov esi, eax
jmp 0x413544
mov esi, esp
push edi
push esi
push ebp
push ebx
push 0
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar_1
push edi
push esi
call sub.user32.dll_CharUpperBuffW
xor ebx, ebx
mov eax, edi
dec eax
test eax, eax
jl 0x41357d
inc eax
xor edx, edx
mov ecx, ebx
shl ecx, 5
shr ebx, 0x1b
or ecx, ebx
mov ebx, ecx
movzx ecx, word [esi + edx*2]
xor ebx, ecx
inc edx
dec eax
jne 0x413567
mov eax, esp
cmp esi, eax
je 0x41358a
mov eax, esi
call fcn.00403034
mov eax, ebx
add esp, 0x208
pop ebp
pop edi
pop esi
pop ebx
ret
push esi
push ebx
mov esi, eax
xor eax, eax
push esi
rol eax, 5
mov bl, byte [esi]
test bl, 0x80
jne 0x4135c4
cmp bl, 0
je 0x4135c0
cmp bl, 0x41
jl 0x4135bb
cmp bl, 0x5a
jg 0x4135bb
or bl, 0x20
xor al, bl
inc esi
jmp 0x41359f
pop ecx
pop ebx
pop esi
ret
pop eax
pop ebx
pop esi
jmp 0x413504

Function at 0x42a754
Capabilities:
Resume thread

Disassembly:
push ebx
push esi
mov ebx, eax
mov eax, dword [ebx + 4]
push eax
call sub.kernel32.dll_ResumeThread
mov esi, eax
test esi, esi
setge dl
mov eax, ebx
call fcn.0042a458
dec esi
jne 0x42a776
mov byte [ebx + 0xe], 0
pop esi
pop ebx
ret
Function at 0x42b93c
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, 0x503ea0
cmp dword [edi], 0
jne 0x42b9b8
push 0x40
push 0x1000
push 0x1000
push 0
call sub.kernel32.dll_VirtualAlloc_1
mov esi, eax
mov eax, dword [0x503e9c]
mov dword [esi], eax
lea edx, [esi + 4]
mov eax, 0x4fcecc
mov ecx, 2
call fcn.004031d0
mov edx, 0x42b914
lea eax, [esi + 5]
call fcn.0042b934
mov dword [esi + 6], eax
lea ebx, [esi + 0xa]
mov byte [ebx], 0xe8
lea edx, [esi + 4]
mov eax, ebx
call fcn.0042b934
mov dword [ebx + 1], eax
mov eax, dword [edi]
mov dword [ebx + 5], eax
mov dword [edi], ebx
add ebx, 0xd
mov eax, ebx
sub eax, esi
cmp eax, 0xffc
jl 0x42b98d
mov dword [0x503e9c], esi
mov eax, dword [edi]
mov ebx, dword [edi]
mov edx, dword [ebx + 5]
mov dword [edi], edx
mov edx, dword [ebp + 8]
mov dword [ebx + 5], edx
mov edx, dword [ebp + 0xc]
mov dword [ebx + 9], edx
pop edi
pop esi
pop ebx
pop ebp
ret 8

Function at 0x42e648
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
xor eax, eax
mov dword [ebp - 4], eax
lea eax, [ebp + 0xc]
push eax
push edi
lea eax, [ebp - 4]
push eax
push 0
mov eax, esi
call fcn.004064d4
push eax
mov eax, dword [ebx + 4]
push eax
call sub.advapi32.dll_RegQueryValueExW_1
test eax, eax
je 0x42e6a0
mov dword [ebp - 0xc], esi
mov byte [ebp - 8], 0x11
lea eax, [ebp - 0xc]
push eax
push 0
mov ecx, dword [0x4fef9c]
mov dl, 1
mov eax, dword [0x42e0c8]
call fcn.00411b5c
call fcn.00404a74
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebp - 4]
call fcn.0042e250
mov edx, dword [ebp + 8]
mov byte [edx], al
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8

Function at 0x42f5e0
Capabilities:
Encode data using xor

Disassembly:
mov ecx, edx
mov edx, eax
xor eax, eax
rol ax, 5
xor al, byte [edx]
inc edx
dec ecx
jne 0x42f5e6
ret
Function at 0x44ccd4
Capabilities:
Log keystrokes
Log keystrokes via polling

Disassembly:
push ebx
push esi
add esp, 0xfffffe00
mov ebx, edx
mov esi, eax
mov eax, ebx
xor edx, edx
call fcn.00406448
push 0
mov eax, esi
movzx eax, al
push eax
call sub.user32.dll_MapVirtualKeyW
shl eax, 0x10
test eax, eax
je 0x44cd1b
push pe_nt_image_headers32
lea edx, [esp + 4]
push edx
push eax
call sub.user32.dll_GetKeyNameTextW
mov eax, ebx
mov edx, esp
mov ecx, pe_nt_image_headers32
call fcn.00406630
add esp, 0x200
pop esi
pop ebx
ret