joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10063d10
Capabilities:
Access peb ldr_data
Allocate or change rwx memory
Create thread
Execute shellcode via indirect call
Spawn thread to rwx shellcode

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
mov eax, dword [0x100a700c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 1
push edi
mov edi, dword [ebp + 8]
jne 0x10063e12
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0x18]
test ecx, ecx
je 0x10063d97
cmp ecx, edi
jne 0x10063d8e
mov edx, dword [eax + 4]
test edx, edx
je 0x10063d5c
mov ecx, dword [eax]
mov dword [edx], ecx
mov edx, dword [eax + 4]
test edx, edx
je 0x10063d5c
mov ecx, dword [eax]
mov dword [ecx + 4], edx
mov edx, dword [eax + 0x14]
test edx, edx
je 0x10063d68
mov ecx, dword [eax + 0x10]
mov dword [edx], ecx
mov edx, dword [eax + 0x10]
test edx, edx
je 0x10063d75
mov ecx, dword [eax + 0x14]
mov dword [edx + 4], ecx
mov edx, dword [eax + 8]
test edx, edx
je 0x10063d8e
mov ecx, dword [eax + 0xc]
mov dword [ecx], edx
mov edx, dword [eax + 8]
test edx, edx
je 0x10063d8e
mov ecx, dword [eax + 0xc]
mov dword [edx + 4], ecx
mov eax, dword [eax]
mov ecx, dword [eax + 0x18]
test ecx, ecx
jne 0x10063d41
push esi
push 0x1c
lea eax, [ebp - 0x20]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
mov esi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
lea eax, [ebp - 0xc]
push eax
push 0x40
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push 0xc8
push 0
push edi
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 0
push dword [ebp - 0xc]
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call esi
push dword [ebp - 0x14]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_FlushInstructionCache]
mov esi, dword [sym.imp.KERNEL32.dll_CreateThread]
push 0
push 0
push 0
push 0x10045ab0
push 0
push 0
call esi
push 0
push 0
push 0
push 0x10063190
push 0
push 0
call esi
pop esi
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
pop edi
call fcn.10073bc9
mov esp, ebp
pop ebp
ret 0xc
Function at 0x10064730
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x14
push ebx
mov ebx, ecx
push esi
push edi
cmp dword [ebx + 0x38], 0
je 0x1006475c
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsputn_char_const___long_long___int64__]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x20]
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
mov dword [esp + 0x18], esi
mov eax, dword [eax]
mov dword [esp + 0x1c], edi
mov dword [esp + 0x14], eax
test eax, eax
je 0x1006477e
mov eax, dword [ebx + 0x30]
mov eax, dword [eax]
jmp 0x10064780
xor eax, eax
cdq
mov dword [esp + 0xc], eax
mov ecx, edx
mov dword [esp + 0x10], ecx
test edi, edi
jl 0x10064805
jg 0x10064795
test esi, esi
je 0x10064805
test ecx, ecx
jl 0x100647e8
jg 0x1006479f
test eax, eax
je 0x100647e8
cmp edi, ecx
jg 0x100647b3
jl 0x100647a9
cmp esi, eax
jae 0x100647b3
mov eax, esi
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], edi
push eax
push dword [ebp + 8]
push dword [esp + 0x1c]
call sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x18]
add esp, 0xc
mov eax, dword [ebx + 0x30]
sub esi, ecx
mov edx, dword [ebp + 8]
sbb edi, dword [esp + 0x10]
add edx, ecx
sub dword [eax], ecx
mov eax, dword [ebx + 0x20]
add dword [eax], ecx
test edi, edi
jl 0x10064805
jg 0x100647eb
test esi, esi
je 0x10064805
jmp 0x100647eb
mov edx, dword [ebp + 8]
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x10064805
push eax
push esi
push 1
push edx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
sub esi, eax
sbb edi, 0
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
sub eax, esi
sbb edx, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x10064820
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 8]
mov dword [ebp - 8], ecx
push esi
mov esi, dword [ebp + 0xc]
test eax, eax
jg 0x1006484c
jl 0x10064840
test esi, esi
jne 0x1006484c
pop esi
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
je 0x10064865
push eax
push esi
push ecx
mov ecx, ebx
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsgetn_char___long_long___int64__]
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
push edi
mov edi, esi
mov dword [ebp - 4], esi
mov edx, dword [eax]
test edx, edx
je 0x100648a5
mov eax, dword [ebx + 0x2c]
mov eax, dword [eax]
test eax, eax
je 0x100648a5
mov edi, dword [ebp + 0xc]
cmp eax, edi
cmovb esi, eax
push esi
push edx
push ecx
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x2c]
sub edi, esi
add dword [ebp - 8], esi
add esp, 0xc
mov dword [ebp - 4], edi
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [ebp + 0xc]
cmp dword [ebx + 0x4c], 0
je 0x1006495c
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x100648d0
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebx + 0x2c]
mov dword [eax], edx
mov eax, dword [ebp - 4]
mov edx, eax
mov ecx, dword [ebp - 8]
cmp eax, 0xfff
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov dword [ebp - 4], edx
jbe 0x1006491f
nop word [eax + eax]
push dword [ebx + 0x4c]
push 0xfff
push 1
push ecx
call eax
mov ecx, dword [ebp - 8]
sub edi, eax
add ecx, eax
mov dword [ebp - 4], edi
add esp, 0x10
mov dword [ebp - 8], ecx
mov edx, edi
cmp eax, 0xfff
jne 0x10064949
cmp edi, eax
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
ja 0x100648f0
cmp dword [ebp - 4], 0
jbe 0x1006495f
push dword [ebx + 0x4c]
push edi
push 1
push ecx
call eax
mov edx, dword [ebp - 4]
add esp, 0x10
sub edx, eax
sub esi, edx
mov edx, dword [ebp + 0x10]
mov eax, esi
pop edi
pop esi
sbb edx, 0
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edx, dword [ebp + 0x10]
sub esi, edi
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edx, dword [ebp - 4]
sub esi, edx
mov edx, dword [ebp + 0x10]
pop edi
mov eax, esi
sbb edx, 0
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x10064cd0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x100a700c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x10064d00
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
mov eax, dword [eax]
test eax, eax
je 0x10064d30
mov edx, dword [esi + 0x30]
mov edx, dword [edx]
add edx, eax
cmp eax, edx
jae 0x10064d30
call dword [sym.imp.MSVCP140.dll_protected:_char____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::_Pninc_void_]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
push edi
je 0x10064e05
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x10064d59
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 0x10064d65
movsx eax, bl
jmp 0x10064d9c
lea eax, [ebp - 0x2c]
mov byte [ebp - 0x25], bl
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 [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::out_struct__Mbstatet___char_const___char_const___char_const____char___char___char___const]
test eax, eax
js 0x10064e05
cmp eax, 1
jle 0x10064dc6
cmp eax, 3
jne 0x10064e05
movsx eax, byte [ebp - 0x25]
push dword [esi + 0x4c]
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmovne ecx, ebx
pop edi
pop esi
mov eax, ecx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x10064de4
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x10064e05
lea eax, [ebp - 0x25]
mov byte [esi + 0x3d], 1
cmp dword [ebp - 0x30], eax
je 0x10064e05
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
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.10073bc9
mov esp, ebp
pop ebp
ret 4
Function at 0x1006e790
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x100a700c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x1006e84c
cmp byte [esi + 0x3d], 0
je 0x1006e84c
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x1006e83a
mov ecx, dword [esi + 0x38]
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::unshift_struct__Mbstatet___char___char___char___const]
sub eax, 0
je 0x1006e801
sub eax, 1
je 0x1006e805
sub eax, 2
jne 0x1006e83a
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x1006e823
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x1006e83a
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.10073bc9
mov esp, ebp
pop ebp
ret
Function at 0x10073960
Capabilities:
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x10082b4d
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x100a700c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x14], esi
mov dword [ebp - 0x14], esi
mov dword [ebp - 4], 0
lea eax, [ebp + 8]
cmp dword [ebp + 0x1c], 0x10
lea ecx, [ebp - 0x84]
push dword [ebp + 0x18]
cmovae eax, dword [ebp + 8]
push eax
mov byte [ebp - 0x84], 0
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x38], 0x67452301
mov dword [ebp - 0x34], 0xefcdab89
mov dword [ebp - 0x30], 0x98badcfe
mov dword [ebp - 0x2c], 0x10325476
call fcn.10073800
cmp byte [ebp - 0x84], 0
jne 0x10073ab1
xor edx, edx
lea ecx, [ebp - 0x3f]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x18], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x17], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x16], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x15], al
add edx, 4
cmp edx, 8
jb 0x100739f5
mov edx, dword [ebp - 0x40]
mov ecx, 0x78
shr edx, 3
mov eax, 0x38
and edx, 0x3f
sub ecx, edx
sub eax, edx
cmp edx, 0x38
cmovae eax, ecx
lea ecx, [ebp - 0x84]
push eax
push 0x100a8030
call fcn.10073800
push 8
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x84]
call fcn.10073800
xor edx, edx
lea ecx, [ebp - 0x37]
movzx eax, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x28], al
movzx eax, byte [ecx - 4]
mov byte [ebp + edx - 0x27], al
movzx eax, byte [ecx - 3]
mov byte [ebp + edx - 0x26], al
movzx eax, byte [ecx - 2]
mov byte [ebp + edx - 0x25], al
add edx, 4
cmp edx, 0x10
jb 0x10073a64
push 0x40
lea eax, [ebp - 0x83]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
xorps xmm0, xmm0
mov byte [ebp - 0x84], 1
add esp, 0xc
movq qword [ebp - 0x40], xmm0
push esi
lea ecx, [ebp - 0x84]
call fcn.100738b0
mov edx, dword [ebp + 0x1c]
cmp edx, 0x10
jb 0x10073af3
mov ecx, dword [ebp + 8]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x10073ae9
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x10073ae9
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.100744f0
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.10073bc9
mov esp, ebp
pop ebp
ret
Function at 0x53cac0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xd0000]
push edi
or ebp, 0xffffffff
jmp 0x53cae2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x53cae9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x53cad8
mov eax, 1
add ebx, ebx
jne 0x53cafb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x53cb0c
jne 0x53cb2b
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x53cb2b
dec eax
add ebx, ebx
jne 0x53cb18
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x53caf0
add ebx, ebx
jne 0x53cb27
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x53cb7d
xor ecx, ecx
sub eax, 3
jb 0x53cb43
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x53cbb2
sar eax, 1
mov ebp, eax
jmp 0x53cb4e
add ebx, ebx
jne 0x53cb4e
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x53cb1c
inc ecx
add ebx, ebx
jne 0x53cb5c
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x53cb1c
add ebx, ebx
jne 0x53cb69
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x53cb5e
jne 0x53cb7a
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x53cb5e
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x53cb9c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x53cb8e
jmp 0x53cade
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x53cb9c
add edi, ecx
jmp 0x53cade
pop esi
mov edi, esi
mov ecx, 0x4401
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x53cbba
cmp byte [edi], 0x1e
jne 0x53cbba
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 0x53cbbf
lea edi, [esi + 0x139000]
mov eax, dword [edi]
or eax, eax
je 0x53cc37
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x13ddec]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x13df10]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x53cbec
mov ecx, edi
jns 0x53cc1b
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x13df18]
or eax, eax
je 0x53cc31
mov dword [ebx], eax
add ebx, 4
jmp 0x53cc09
call dword [esi + 0x13df14]
mov ebp, dword [esi + 0x13df1c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x237]
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 0x53cc6b
sub esp, 0xffffff80
jmp 0x498f99
Function at 0x432000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40c7d0
nop
mov ecx, 0x65a86eb3
nop
test eax, eax
nop
nop
nop
nop
nop
nop
je 0x43204e
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
inc eax
inc eax
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x432024
nop
nop
mov eax, section..data
nop
mov ebx, 0x42f314
nop
mov ecx, 0x2450587e
nop
nop
nop
nop
test eax, eax
nop
nop
nop
je 0x432084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x43206c
nop
nop
nop
popal
nop
nop
nop
nop
nop
jmp 0x431219
Function at 0x40595e
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
pushal
call 0x40596d
pop dword [ebp - 0x18]
mov eax, 0xbbd7c842
sub eax, 0xbb976ed5
sub dword [ebp - 0x18], eax
mov dword [ebp - 0x28], 0x7e6f8f3a
add dword [ebp - 0x28], 0xcfe2b611
mov dword [ebp - 0x24], 0x245a5724
add dword [ebp - 0x24], 0xdd8f521
mov dword [ebp - 0x20], 0xf5794dcd
sub dword [ebp - 0x20], 0xa92d099f
mov dword [ebp - 0x1c], 0xcbf1945d
add dword [ebp - 0x1c], 0x340e6ba3
lea eax, [ebp - 0x28]
push eax
mov eax, 0xd80bcd94
add eax, 0x2834a2cc
add eax, dword [ebp - 0x18]
call dword [eax]
mov dword [ebp - 0x28], 0xc2699fbb
sub dword [ebp - 0x28], 0x4df73665
mov dword [ebp - 0x24], 0x46367fcb
add dword [ebp - 0x24], 0xfb35e1aa
mov dword [ebp - 0x20], 0x78830aea
add dword [ebp - 0x20], 0xeaec6182
mov dword [ebp - 0x1c], 0x9bd39313
add dword [ebp - 0x1c], 0x642c6ced
lea ebx, [ebp - 0x28]
push ebx
push eax
mov eax, sym.imp.kernel32.dll_GetProcAddress
add eax, dword [ebp - 0x18]
call dword [eax]
push 0x40
push 0x1000
push 0x32473
push 0
call eax
mov ecx, 0xe4c98469
sub ecx, 0xe4c94e2a
mov edx, eax
mov ebx, 0x1fd17425
sub ebx, 0x1f907425
add ebx, dword [ebp - 0x18]
mov esi, 0xe86881bf
mov edi, dword [ebx]
sub dword [ebp - 4], eax
add edi, esi
mov dword [edx], edi
xor dword [ebp - 0xc], ebx
add edx, 4
add ebx, 0xa2b93912
sub ebx, 0xa2b9390e
loop 0x405a84
add eax, 0xcbcf
mov ebx, eax
add eax, 5
mov ecx, 0x9e5640bb
add ecx, 0x61e9bf45
add ecx, dword [ebp - 0x18]
call ebx
leave
ret

Function at 0x4065b0
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x40c17c]
jne 0x4065ba
repz ret
jmp fcn.00406941
Function at 0x4018b8
Capabilities:
Manipulate console buffer

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov al, byte [ebp + 8]
cmp al, 7
jb 0x40190d
sub al, 7
je 0x401981
dec al
je 0x4018db
sub al, 2
je 0x401905
sub al, 3
je 0x4018f7
jmp 0x40190d
mov eax, dword [0x407230]
cmp eax, dword [0x4071b0]
jle 0x401981
dec dword [0x407230]
jmp 0x401981
mov edi, dword [0x4071b0]
mov dword [0x407230], edi
jmp 0x401981
inc dword [0x407220]
jmp 0x401981
mov word [ebp - 8], 1
mov word [ebp - 6], 1
mov word [ebp - 0xc], 0
mov word [ebp - 0xa], 0
movzx ax, byte [ebp + 8]
mov word [ebp - 4], ax
movzx ax, byte [0x407170]
mov word [ebp - 2], ax
mov eax, dword [0x407230]
dec eax
mov word [ebp - 0x14], ax
mov eax, dword [0x407220]
dec eax
mov word [ebp - 0x12], ax
mov eax, dword [0x407230]
dec eax
mov word [ebp - 0x10], ax
mov eax, dword [0x407220]
dec eax
mov word [ebp - 0xe], ax
lea edi, [ebp - 0x14]
push edi
push dword [ebp - 0xc]
push dword [ebp - 8]
lea eax, [ebp - 4]
push eax
push dword [0x4070e0]
call sub.kernel32.dll_WriteConsoleOutputA
inc dword [0x407230]
mov eax, dword [0x407230]
cmp eax, dword [0x4071d0]
jle 0x4019af
mov edi, dword [0x4071b0]
mov dword [0x407230], edi
inc dword [0x407220]
jmp 0x4019af
push 1
call fcn.00401aa8
dec dword [0x407220]
mov eax, dword [0x407220]
cmp eax, dword [0x4071e0]
jg 0x4019a2
leave
ret 4
Function at 0x407c46
Capabilities:
Check for time delay via gettickcount

Disassembly:
push ebp
mov ebp, esp
push ecx
mov dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov dword [ebp - 4], eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
sub eax, dword [ebp + 8]
cmp eax, dword [ebp - 4]
jb 0x407c6a
jmp 0x407c74
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x407c5a
mov esp, ebp
pop ebp
ret

Function at 0x409ae0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x409b00
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040b568
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x409b21
test byte [esp + 8], 2
je 0x409b21
mov dword [0x418fa0], 0xd
mov dword [0x418fa4], 5
jmp 0x409afc
xor eax, eax
ret

Function at 0x40b3a1
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1a4
mov edx, dword [ebp + 8]
xor ecx, ecx
mov eax, 0x4118d0
cmp edx, dword [eax]
je 0x40b3c3
add eax, 8
inc ecx
cmp eax, 0x411960
jl 0x40b3b4
push esi
mov esi, ecx
shl esi, 3
cmp edx, dword [esi + 0x4118d0]
jne 0x40b4f1
mov eax, dword [0x418ff4]
cmp eax, 1
je 0x40b4cb
test eax, eax
jne 0x40b3f4
cmp dword [0x411358], 1
je 0x40b4cb
cmp edx, 0xfc
je 0x40b4f1
lea eax, [ebp - 0x1a4]
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x40b42b
lea eax, [ebp - 0x1a4]
push str._program_name_unknown_
push eax
call fcn.004082e0
pop ecx
pop ecx
lea eax, [ebp - 0x1a4]
push edi
push eax
lea edi, [ebp - 0x1a4]
call fcn.004084b0
inc eax
pop ecx
cmp eax, 0x3c
jbe 0x40b46e
lea eax, [ebp - 0x1a4]
push eax
call fcn.004084b0
mov edi, eax
lea eax, [ebp - 0x1a4]
sub eax, 0x3b
push 3
add edi, eax
push 0x410504
push edi
call fcn.00408b40
add esp, 0x10
lea eax, [ebp - 0xa0]
push str.Runtime_Error__n_nProgram:
push eax
call fcn.004082e0
lea eax, [ebp - 0xa0]
push edi
push eax
call fcn.004082f0
lea eax, [ebp - 0xa0]
push 0x4104e4
push eax
call fcn.004082f0
push dword [esi + 0x4118d4]
lea eax, [ebp - 0xa0]
push eax
call fcn.004082f0
push 0x12010
lea eax, [ebp - 0xa0]
push str.Microsoft_Visual_C_Runtime_Library
push eax
call fcn.0040de66
add esp, 0x2c
pop edi
jmp 0x40b4f1
lea eax, [ebp + 8]
lea esi, [esi + 0x4118d4]
push 0
push eax
push dword [esi]
call fcn.004084b0
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
leave
ret