joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1000eea0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
push ebx
sub esp, 0x10
mov esi, dword [ebp + 8]
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_strlen]
mov ebx, eax
xor eax, eax
test ebx, ebx
je 0x1000eef8
cmp byte [esi + ebx - 1], 0xa
je 0x1000eecc
mov eax, dword fs:[0x18]
mov eax, dword [eax + 0x24]
xchg dword [0x10020124], eax
mov dword [esp], 2
call dword [sym.imp.ucrtbase.dll___acrt_iob_func]
mov dword [esp + 8], ebx
mov dword [esp + 0xc], eax
mov dword [esp + 4], 1
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_fwrite]
add esp, 0x10
pop ebx
pop esi
pop ebp
ret
Function at 0x17df4f0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x1380000]
push edi
jmp 0x17df50a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x17df511
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x17df500
mov eax, 1
add ebx, ebx
jne 0x17df523
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x17df534
jne 0x17df553
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x17df553
dec eax
add ebx, ebx
jne 0x17df540
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x17df518
add ebx, ebx
jne 0x17df54f
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x17df5a5
xor ecx, ecx
sub eax, 3
jb 0x17df56b
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x17df5da
sar eax, 1
mov ebp, eax
jmp 0x17df576
add ebx, ebx
jne 0x17df576
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x17df544
inc ecx
add ebx, ebx
jne 0x17df584
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x17df544
add ebx, ebx
jne 0x17df591
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x17df586
jne 0x17df5a2
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x17df586
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x17df5c4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x17df5b6
jmp 0x17df506
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x17df5c4
add edi, ecx
jmp 0x17df506
pop esi
mov edi, esi
mov ecx, 0x40f0
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x17df5e2
cmp byte [edi], 0x11
jne 0x17df5e2
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 0x17df5e7
lea edi, [esi + 0x13d8000]
mov eax, dword [edi]
or eax, eax
je 0x17df65f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x26d9150]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x26d92cc]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x17df614
mov ecx, edi
jns 0x17df643
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 + 0x26d92d0]
or eax, eax
je 0x17df659
mov dword [ebx], eax
add ebx, 4
jmp 0x17df631
call dword [esi + 0x26d92e0]
add edi, 4
lea ebx, [esi - 4]
xor eax, eax
mov al, byte [edi]
inc edi
or eax, eax
je 0x17df690
cmp al, 0xef
ja 0x17df683
add ebx, eax
mov eax, dword [ebx]
xchg ah, al
rol eax, 0x10
xchg ah, al
add eax, esi
mov dword [ebx], eax
jmp 0x17df665
and al, 0xf
shl eax, 0x10
mov ax, word [edi]
add edi, 2
jmp 0x17df672
mov ebp, dword [esi + 0x26d92d4]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x23f]
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 0x17df6c4
sub esp, 0xffffff80
jmp 0x420577
Function at 0x642c7df9
Capabilities:
Check os version

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x118
mov eax, dword [0x642c9004]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
mov eax, dword [section..data]
mov esi, section..data
mov edi, 0x642c1ed8
cmp eax, esi
je 0x642c7e3d
test byte [eax + 0x1c], 2
je 0x642c7e3d
cmp byte [eax + 0x19], 5
jb 0x642c7e3d
push edi
push 0xf
push dword [eax + 0x14]
push dword [eax + 0x10]
call fcn.642c2001
push 0x110
lea eax, [ebp - 0x114]
push 0
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
lea eax, [ebp - 0x118]
push eax
mov dword [ebp - 0x118], 0x114
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x642c7ea1
mov eax, dword [section..data]
cmp eax, esi
je 0x642c7e9d
test byte [eax + 0x1c], 2
je 0x642c7e9d
cmp byte [eax + 0x19], 2
jb 0x642c7e9d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
mov eax, dword [section..data]
push edi
push 0x10
push dword [eax + 0x14]
push dword [eax + 0x10]
call fcn.642c5545
xor eax, eax
jmp 0x642c7eab
cmp dword [ebp - 0x114], 6
sbb eax, eax
inc eax
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.642c51c5
leave
ret

Function at 0x642cd469
Capabilities:
Encode data using xor

Disassembly:
call 0x642cd3e2
sub bl, byte [ebx]
mov eax, 0x64f7f691
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
cld
test edx, ebx
or eax, dword [ebx - 0x178f73c]
xor esi, 0xde5af04
add eax, esi
lea esp, [esp - 0xe]
mov esi, dword [esp + 0xe]
lea esp, [esp + 0x12]
xor esi, dword [esp]
push eax
sub eax, 0xf24f2b00
mov eax, esp
or dword [eax - 0x22], ebx
pop eax
jmp 0x642cd412
xor dword [esp], esi
xor eax, 0
mov dword [esp], esi
add esp, 4
add esi, dword [ebp + 8]
push ebp
add ebp, 0xc
mov ecx, dword [ebp]
pop ebp
ja 0x642cd42e
xor edx, 0
jmp 0x642cd439
xor edx, edx
jmp 0x642cd450
jmp 0x642cd45c
xor eax, eax
push 0x8427d7c0
call 0x642cd469
stc
add esp, 8
add esi, 0
cmp ecx, 0
je 0x642cd4a5
mov ebx, dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
add bl, dl
xor byte [esi], bl
mov dl, byte [esi]
inc esi
add ebx, edi
rol ebx, 8
dec ecx
jne 0x642cd47e
lea esp, [esp - 4]
xchg dword [esp], ebx
mov ebx, dword [esp]
or eax, edx
xor eax, eax
add eax, dword [esp]
add esp, 4
pop esi
pop edi
pop ebx
xchg dword [esp], ecx
mov dword [esp], ecx
lea esp, [esp + 4]
pop edx
leave
je 0x642cd4bc
add eax, 0
jno 0x642cd4c1
add esi, 0
ret 0x10
Function at 0x642ce22a
Capabilities:
Encode data using xor

Disassembly:
lea esp, [esp - 0x63]
mov dword [esp + 0x5f], ebx
lea esp, [esp + 0x5f]
mov ebx, 0x8dff8662
xchg dword [esp], ebx
and dword [esp], ebp
jmp 0x642ce24c
add ebx, 0
or dword [esp], ebp
mov ebp, esp
push eax
push edi
lea esp, [esp - 4]
xchg dword [esp], ecx
pop ecx
lea esp, [esp - 4]
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
cmp edi, dword [ebp + 0x14]
ja 0x642ce3ee
cmp edi, dword [ebp + 0x10]
jb 0x642ce3ee
lea esi, [esi]
sub esi, 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
sub esp, 0x6a
mov dword [esp + 0x66], 0xc2ccbc3c
add esp, 0x66
mov dword [esp], edi
or edi, 0xffffffff
and edi, 0xcedcf875
xor edi, 0xce9c140e
xchg dword [esp], edi
push edx
mov edx, esp
xor edx, 0
add edx, 0
push ebx
lea ebx, [edx + 4]
mov dword [ebx], eax
pop ebx
pop edx
push edi
call fcn.642cdd16
inc edi
jmp 0x642ce2d5
jmp 0x642ce2e2
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.642cdd16
inc edi
and dword [esp - 0x4e], ecx
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.642cdd16
inc edi
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push 0
sub esi, 0
add dword [esp], edx
xor edx, edx
je 0x642ce336
sub bl, byte [ebx]
mov eax, 0x64f7f691
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
cld
test edx, ebx
or edx, 0x13e27bd2
push ebx
add ebx, esi
mov ebx, esp
xor dword [ebx - 0x2a], edi
fdiv qword [ecx]
jnp 0x642ce31a
pop ebx
xor edx, 0x1b7d0cc
add edx, 0xedeb415d
xchg dword [esp], edx
push edx
mov edx, esp
call int.642ce364
add dword [eax], 0x39
jle 0x642ce340
sub al, 0xf5
mov ch, al
call fcn.642ce379
mov dword [edi], eax
pop ecx
pop edi
pop eax
leave
ret 0x10

Function at 0x642d0051
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push ecx
push edx
push 0
sub esi, esi
shr esi, 9
and dword [esp - 0x69], ebx
jbe 0x642d0067
add edi, 0
shr esi, 0x17
or esi, dword [esp]
add esp, 4
add esi, dword [ebp + 8]
xor eax, eax
xor edx, edx
cld
and dword [esp - 0x46], edx
xor ecx, ecx
rol edx, 7
and dword [esp - 0x4b], edx
xor dl, al
mov al, byte [esi]
inc esi
or al, al
jne 0x642d0078
mov eax, edx
pop edx
pop ecx
pop esi
mov esp, ebp
mov ebp, dword [esp]
add esp, 4
push 0x54
call fcn.642d00b9
std
inc ebx
sar cl, 0x3e
lahf
in al, dx
mov ch, 0x4a
mov ebx, 0x971631d8
test byte [ebp - 0x5e], ch
xor eax, dword [ebx + 0x2b5108c4]
add esp, 8
push ecx
sub ecx, eax
mov ecx, esp
cmp dword [ecx - 0x51], edx
Function at 0x642d2425
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0xffffffffffffffff
push esi
mov esi, esp
xor dword [esp - 0x43], esi
xor dword [esp - 0x45], esi
and dword [esi + 4], eax
pop esi
push 0
ja 0x642d236e
add ebx, 0
push ecx
call 0x642d2383
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
add esp, 8
xor dword [esp], ebx
sub esp, 0x6b
mov dword [esp + 0x67], edx
add esp, 0x67
push ecx
push 0
xor dword [esp - 0x56], edx
xor edi, 0
add dword [esp], edi
push esi
mov ebx, 0x715a929a
sub ebx, dword [0x715c8ad9]
mov dword [ebp - 8], ebx
xchg esi, eax
push 0x715c8ac9
call fcn.642cde4d
xchg esi, eax
add esi, ebx
mov edx, dword [ebp + 8]
sub edx, ebx
call fcn.642cd35b
mov edi, eax
mov eax, dword [esi + 8]
xor dword [esp - 0x69], edx
xor ebx, 0
xor eax, edi
cmp edx, eax
jb 0x642d24e1
mov eax, dword [esi + 0xc]
xor eax, edi
cmp edx, eax
ja 0x642d24e1
mov ecx, dword [esi + 0x10]
sub dword [esp - 0x34], ebx
xor ecx, edi
mov edx, dword [esi + 0x14]
xor edx, edi
shl edx, 2
add edx, 0x18
mov eax, dword [esi]
xor eax, edi
cmp eax, 1
je 0x642d2498
mov eax, 1
lock xchg dword [0x715c8ad5], eax
push 0x3dd1fc71
call 0x642d2425
push esi
add esp, 8
cmp eax, 0
jne 0x642d240e
push edx
mov eax, edi
xor byte [esi + edx], al
inc edx
dec ecx
jne 0x642d2434
pop edx
mov eax, dword [esi + 0x14]
xor eax, edi
js 0x642d2449
cmp ecx, edx
cmp eax, 0
je 0x642d246e
mov dword [ebp - 4], eax
lea ecx, [esi + 0x18]
mov eax, dword [esi + ecx]
xor eax, edi
add eax, edx
add dword [esi + eax], ebx
add ecx, 4
dec dword [ebp - 4]
jne 0x642d2458
mov eax, 1
mov dword [esp - 0x1a], eax
push 0x8ae1b7eb
call fcn.642d2487
dec eax
loope 0x642d248a
invalid
xor eax, edi
mov dword [esi], eax
mov dword [0x715c8ad5], 0
add edx, esi
mov dword [ebp + 4], edx
xchg dword [esp], esi
push ecx
lea ecx, [edi - 0x72d1f741]
mov ecx, esp
mov dword [ecx - 0x15], ebx
pop ecx
push esi
xor esi, esi
mov esi, esp
and dword [esi - 0x1d], ecx
pop esi
mov dword [esp], esi
jb 0x642d24be
xor edx, 0
add esp, 4
pop edi
pop ecx
pop edx
pop ebx
pop eax
leave
jmp 0x642d24d3
jmp 0x642d24de
ret 4
mov eax, dword [esi + 4]
xor eax, edi
add esi, eax
jmp 0x642d23cc
Function at 0x642d9546
Capabilities:
Access peb ldr_data

Disassembly:
add esp, 8
and dword [esp], ebx
push ecx
push edx
push edi
push esi
or edi, 0xffffffff
not edi
add edi, dword [ebp + 8]
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax + 0xc]
push ecx
xor edx, edx
mov ecx, dword [ecx]
cmp ecx, dword [esp]
je 0x642d981c
push ebp
push 0xffffffffffffffff
sub esp, 0x32
mov dword [esp + 0x2e], 0x715b574d
add esp, 0x2e
sub esp, 4
mov dword [esp], 0x715ac713
push 0xffffffffffffffff
call fcn.642d0746
xchg edx, eax
and eax, 0
add eax, 0x75d46dc4
push ecx
and ecx, 0xcfb6d7ec
mov ecx, esp
mov dword [ecx - 0x54], esi
pop ecx
ja 0x642d95b0
and eax, eax
xchg edx, eax
mov edx, dword [ecx + edx - 0x75d46dac]
call fcn.642d95c8
mov byte [0xee69f033], al
invalid
mov eax, ecx
pop esi
mov edi, dword [esp]
add esp, 4
pop edx
xor ecx, ecx
add ecx, 0xffffffff
and ecx, dword [esp]
xor ecx, 0
add esp, 4
pop ebx
mov esp, ebp
mov ebp, dword [esp]
add esp, 4
jno 0x642d9810
xor eax, 0
ret 4
xor ecx, ecx
jmp 0x642d97e4
Function at 0x642e9016
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
push ebx
push ecx
lea esp, [esp - 0x10]
mov dword [esp + 0xc], edx
lea esp, [esp + 0xc]
sub esp, 4
mov dword [esp], 0x8b92e34e
mov dword [esp], edi
push esi
mov eax, dword [ebp + 8]
and ax, 0xf001
dec eax
cmp word [eax], 0x5a4d
jne 0x642e9038
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0x642e9038
add ebx, eax
cmp dword [ebx], 0x4550
jne 0x642e9038
ret
cmp word [ebx + 4], 0x14c
jne 0x642e9038
test word [ebx + 0x16], 2
je 0x642e9038
test word [ebx + 0x16], 0x100
je 0x642e9038
cmp word [ebx + 0x18], 0x10b
jne 0x642e9038
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0x642e9038
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0x642e90c4
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0x642e9058
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.642cffa3
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0x642e9038
sub esp, 0x3e
mov esi, dword [esp + 0x3e]
add esp, 0x42
pop edi
mov edx, dword [esp]
add esp, 4
pop ecx
pop ebx
leave
ret 8

Function at 0x642e90c4
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
push ebx
push ecx
lea esp, [esp - 0x10]
mov dword [esp + 0xc], edx
lea esp, [esp + 0xc]
sub esp, 4
mov dword [esp], 0x8b92e34e
mov dword [esp], edi
push esi
mov eax, dword [ebp + 8]
and ax, 0xf001
dec eax
cmp word [eax], 0x5a4d
jne 0x642e9038
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0x642e9038
add ebx, eax
cmp dword [ebx], 0x4550
jne 0x642e9038
ret
cmp word [ebx + 4], 0x14c
jne 0x642e9038
test word [ebx + 0x16], 2
je 0x642e9038
test word [ebx + 0x16], 0x100
je 0x642e9038
cmp word [ebx + 0x18], 0x10b
jne 0x642e9038
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0x642e9038
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0x642e90c4
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0x642e9058
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.642cffa3
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0x642e9038
sub esp, 0x3e
mov esi, dword [esp + 0x3e]
add esp, 0x42
pop edi
mov edx, dword [esp]
add esp, 4
pop ecx
pop ebx
leave
ret 8
Function at 0x642e917b
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0x642e91d4
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0x642e917b
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0x642e918a
cld
test edx, ebx
or ebp, eax
add dword [esi - 0x7cc26b19], esp
les ecx, [eax]
or dword [esp], ebp
mov ebp, esp
sub esp, 0x100
push ebx
push edx
push ecx
push edi
push esi
mov ebx, dword [ebp + 8]
mov edx, ebx
add ebx, dword [ebx + 0x3c]
mov ebx, dword [ebx + 0x78]
lea ebx, [ebx + edx]
mov eax, dword [ebx + 0x24]
add eax, edx
xor edi, edi
jne 0x646eee2d
or edi, dword [ebx + 0x20]
add edi, edx
mov ecx, dword [ebx + 0x18]
mov esi, dword [edi]
add esi, edx
push 0
push ecx
mov ecx, esp
push 0x55d34c8a
call 0x642e91db
sti
sbb byte [ecx + 0x56], dh
xlatb
les ebp, [ebp + 0x8c483e2]
xchg dword [ecx + 4], eax
xor eax, edx
shl eax, 3
xor ecx, 0
shl eax, 0x1d
add eax, dword [ecx + 4]
pop ecx
push esi
call fcn.642d0051
cmp eax, dword [ebp + 0xc]
pop eax
je 0x642e927a
add edi, 4
add eax, 2
dec ecx
jne 0x642e91c0
call 0x642e9227
loope 0x642e921d
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0x642e9277
mov dh, 0xe8
or byte [eax], al
add byte [eax], al
mov bh, 0x24
lea eax, [edx + 0x53]
nop
mov dword [esi + 0x2308c483], ecx
sal byte [ecx], 0xc0
fsub st(7)
int 0xf
mov bh, 0
movzx eax, word [eax]
jmp 0x642e9288
shl eax, 2
add eax, dword [ebx + 0x1c]
add eax, edx
mov eax, dword [eax]
add eax, edx
mov ebx, edx
add ebx, dword [edx + 0x3c]
mov ecx, dword [ebx + 0x7c]
mov ebx, dword [ebx + 0x78]
add ebx, edx
add ecx, ebx
cmp eax, ebx
jb 0x642e923b
cmp eax, ecx
ja 0x642e923b
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0x642e92c5
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0x642e92bb
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.642d0530
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0x642e918a
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0x642e91d4
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0x642e917b
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0x642e918a
cld
test edx, ebx
or ebp, eax
add dword [esi - 0x7cc26b19], esp
les ecx, [eax]
or dword [esp], ebp
mov ebp, esp
sub esp, 0x100
push ebx
push edx
push ecx
push edi
push esi
mov ebx, dword [ebp + 8]
mov edx, ebx
add ebx, dword [ebx + 0x3c]
mov ebx, dword [ebx + 0x78]
lea ebx, [ebx + edx]
mov eax, dword [ebx + 0x24]
add eax, edx
xor edi, edi
jne 0x646eee2d
or edi, dword [ebx + 0x20]
add edi, edx
mov ecx, dword [ebx + 0x18]
mov esi, dword [edi]
add esi, edx
push 0
push ecx
mov ecx, esp
push 0x55d34c8a
call 0x642e91db
sti
sbb byte [ecx + 0x56], dh
xlatb
les ebp, [ebp + 0x8c483e2]
xchg dword [ecx + 4], eax
xor eax, edx
shl eax, 3
xor ecx, 0
shl eax, 0x1d
add eax, dword [ecx + 4]
pop ecx
push esi
call fcn.642d0051
cmp eax, dword [ebp + 0xc]
pop eax
je 0x642e927a
add edi, 4
add eax, 2
dec ecx
jne 0x642e91c0
call 0x642e9227
loope 0x642e921d
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0x642e9277
mov dh, 0xe8
or byte [eax], al
add byte [eax], al
mov bh, 0x24
lea eax, [edx + 0x53]
nop
mov dword [esi + 0x2308c483], ecx
sal byte [ecx], 0xc0
fsub st(7)
int 0xf
mov bh, 0
movzx eax, word [eax]
jmp 0x642e9288
shl eax, 2
add eax, dword [ebx + 0x1c]
add eax, edx
mov eax, dword [eax]
add eax, edx
mov ebx, edx
add ebx, dword [edx + 0x3c]
mov ecx, dword [ebx + 0x7c]
mov ebx, dword [ebx + 0x78]
add ebx, edx
add ecx, ebx
cmp eax, ebx
jb 0x642e923b
cmp eax, ecx
ja 0x642e923b
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0x642e92c5
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0x642e92bb
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.642d0530
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0x402405
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1a4
mov edx, dword [ebp + 8]
xor ecx, ecx
mov eax, 0x406838
cmp edx, dword [eax]
je 0x402427
add eax, 8
inc ecx
cmp eax, 0x4068c8
jl 0x402418
push esi
mov esi, ecx
shl esi, 3
cmp edx, dword [esi + 0x406838]
jne 0x402555
mov eax, dword [0x406c34]
cmp eax, 1
je 0x40252f
test eax, eax
jne 0x402458
cmp dword [0x406624], 1
je 0x40252f
cmp edx, 0xfc
je 0x402555
lea eax, [ebp - 0x1a4]
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x40248f
lea eax, [ebp - 0x1a4]
push str._program_name_unknown_
push eax
call fcn.004029b0
pop ecx
pop ecx
lea eax, [ebp - 0x1a4]
push edi
push eax
lea edi, [ebp - 0x1a4]
call fcn.00402b20
inc eax
pop ecx
cmp eax, 0x3c
jbe 0x4024d2
lea eax, [ebp - 0x1a4]
push eax
call fcn.00402b20
mov edi, eax
lea eax, [ebp - 0x1a4]
sub eax, 0x3b
push 3
add edi, eax
push 0x4053b0
push edi
call fcn.004037b0
add esp, 0x10
lea eax, [ebp - 0xa0]
push str.Runtime_Error__n_nProgram:
push eax
call fcn.004029b0
lea eax, [ebp - 0xa0]
push edi
push eax
call fcn.004029c0
lea eax, [ebp - 0xa0]
push 0x405390
push eax
call fcn.004029c0
push dword [esi + 0x40683c]
lea eax, [ebp - 0xa0]
push eax
call fcn.004029c0
push 0x12010
lea eax, [ebp - 0xa0]
push str.Microsoft_Visual_C_Runtime_Library
push eax
call fcn.0040371e
add esp, 0x2c
pop edi
jmp 0x402555
lea eax, [ebp + 8]
lea esi, [esi + 0x40683c]
push 0
push eax
push dword [esi]
call fcn.00402b20
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
Function at 0x409de6
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
push edi
push 9
xor eax, eax
lea edi, [ebp - 0x2c]
pop ecx
xor ebx, ebx
mov esi, 0x421720
rep stosd dword es:[edi], eax
or dword [ebp - 0xc], 0xffffffff
or dword [ebp - 0x10], 0xffffffff
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
cmp dword [0x421720], eax
je 0x409e51
mov edi, dword [ebp + 8]
mov eax, dword [edi]
lea ecx, [ebp - 4]
push ecx
push ebx
push 0x10
push ebx
push dword [esi]
push edi
call dword [eax + 0x10]
test eax, eax
jne 0x409e4a
lea eax, [ebp - 0x2c]
push eax
push esi
push dword [ebp - 4]
call fcn.0040a6e8
test eax, eax
jne 0x409eab
mov eax, dword [ebp - 4]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
mov dword [ebp - 4], ebx
add esi, 0x10
cmp dword [esi], ebx
jne 0x409e19
mov esi, dword [ebp + 0xc]
lea ecx, [ebp - 8]
mov edi, dword [ebp - 0x2c]
push ecx
push 2
push dword [ebp - 0x20]
mov eax, dword [esi]
push edi
push esi
call dword [eax + 0x34]
test eax, eax
jne 0x409eab
mov edx, dword [ebp - 8]
mov ecx, dword [ebp - 0x24]
add edx, 4
test edi, edi
je 0x409e91
mov eax, dword [edx]
xor eax, dword [ecx]
movzx eax, ax
xor eax, dword [edx]
lea edx, [edx + 4]
mov dword [ecx], eax
lea ecx, [ecx + 0x10]
sub edi, 1
jne 0x409e78
mov ecx, dword [ebp - 0x24]
cmp dword [ebp - 0x2c], ebx
je 0x409ea1
mov eax, dword [esi]
push ebx
push ecx
push dword [ebp - 0x2c]
push esi
call dword [eax + reloc.USER32.dll_GetWindowLongW]
lea eax, [ebp - 0x2c]
push eax
push esi
call fcn.00409c81
push dword [ebp - 8]
call sub.OLMAPI32.dll_Ordinal_17
mov ecx, dword [ebp - 4]
pop edi
pop esi
pop ebx
test ecx, ecx
je 0x409ec3
mov eax, dword [ecx]
push ecx
call dword [eax + 8]
lea eax, [ebp - 0x2c]
push eax
call fcn.00409b6c
mov esp, ebp
pop ebp
ret 8
Function at 0x401f10
Capabilities:
Get disk information
Inspect load icon resource
Read file on windows

Disassembly:
mov eax, dword [esp + 4]
sub esp, 0x148
push ebx
push esi
push edi
push 0x65
push eax
call dword [sym.imp.USER32.dll_LoadIconA]
lea ecx, [esp + 0xc]
call fcn.00401000
lea ecx, [esp + 0x50]
push 0x104
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea edx, [esp + 0x50]
lea ecx, [esp + 0xc]
push edx
call fcn.004012b0
test eax, eax
je 0x402021
lea eax, [esp + 0x50]
push 0x404030
push eax
call dword [sym.imp.MSVCRT.dll_fopen]
mov esi, eax
add esp, 8
test esi, esi
je 0x402084
lea ecx, [esp + 0x50]
push ecx
lea ecx, [esp + 0x10]
call fcn.00401290
mov edi, dword [sym.imp.MSVCRT.dll_fseek]
sub eax, 8
push 0
push eax
push esi
call edi
mov ebx, dword [sym.imp.MSVCRT.dll_fread]
push esi
push 1
lea edx, [esp + 0x24]
push 8
push edx
call ebx
mov eax, dword [esp + 0x2c]
push 0
push eax
push esi
call edi
push esi
push 1
lea ecx, [esp + 0x48]
push 0x38
push ecx
call ebx
push esi
call dword [sym.imp.MSVCRT.dll_fclose]
mov eax, dword [esp + 0x88]
mov edx, dword [esp + 0x50]
add esp, 0x3c
test eax, eax
mov eax, dword [esp + 0x10]
push edx
push eax
jne 0x401ffe
sub esp, 0x38
mov ecx, 0xe
lea esi, [esp + 0x58]
mov edi, esp
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x90]
push ecx
lea ecx, [esp + 0x50]
call fcn.00401800
jmp 0x402084
sub esp, 0x38
mov ecx, 0xe
lea esi, [esp + 0x58]
mov edi, esp
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x90]
push ecx
lea ecx, [esp + 0x50]
call fcn.00401a90
jmp 0x402084
lea ecx, [esp + 0x10]
call sub.MFC42.DLL_CString::CString_1
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov edi, eax
mov esi, 1
xor ebx, ebx
test edi, esi
je 0x40206a
mov dl, bl
lea ecx, [esp + 0x10]
add dl, 0x41
push edx
call sub.MFC42.DLL_CString::operator_1
push 0x40412c
lea ecx, [esp + 0x14]
call fcn.004020e2
lea ecx, [esp + 0xc]
mov eax, dword [esp + 0x10]
push eax
push 0
call fcn.00401cf0
add esi, esi
inc ebx
cmp ebx, 0x1a
jl 0x402039
lea ecx, [esp + 0xc]
call fcn.00401040
lea ecx, [esp + 0x10]
call sub.MFC42.DLL_CString::CString
lea ecx, [esp + 0xc]
call fcn.00401030
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x148
ret 0x10

Function at 0x430004
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
call 0x43000c
nop
pop eax
nop
nop
nop
nop
nop
add eax, 0x403d7a
nop
sub eax, 0x403d20
nop
nop
nop
nop
mov ebx, dword [eax]
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
nop
cmp ebx, ecx
nop
nop
nop
nop
jl 0x430030
nop
nop
nop
nop
nop
add eax, 0xc
nop
nop
cmp dword [eax], 0
nop
nop
nop
nop
jne 0x43001e
nop
nop
nop
nop
nop
popal
nop
jmp loc.00401219