joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4076c4
Capabilities:
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x210
mov eax, dword [0x42600c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push 0x208
xor edi, edi
mov dword [ebp - 0x210], ecx
lea eax, [ebp - 0x20c]
mov esi, edx
push edi
push eax
call fcn.004095f0
add esp, 0xc
lea ecx, [ebp - 0x20c]
call fcn.004072b0
lea eax, [ebp - 0x20c]
push eax
push edi
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov ebx, eax
test ebx, ebx
jne 0x407756
push ecx
push str.ReadSharedMemory__:
push ecx
mov edi, 0x82
mov ecx, esi
mov edx, edi
call fcn.00403b0e
lea ecx, [esi + 0x208]
mov edx, edi
push ecx
push str.Could_not_open_file_mapping_object.
push ecx
call fcn.00403b0e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esi + 0x410], eax
xor eax, eax
jmp 0x407820
push 0x1e78
push edi
push edi
push 4
push ebx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov edi, eax
test edi, edi
jne 0x4077aa
push ecx
push str.ReadSharedMemory__:
push ecx
mov edi, 0x82
mov ecx, esi
mov edx, edi
call fcn.00403b0e
lea ecx, [esi + 0x208]
mov edx, edi
push ecx
push str.Could_not_map_view_of_file.
push ecx
call fcn.00403b0e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ebx
mov dword [esi + 0x410], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x40774f
mov eax, dword [ebp - 0x210]
test eax, eax
jne 0x4077c6
call fcn.0040d306
mov dword [eax], 0x16
call fcn.0040d23a
jmp 0x4077d5
push 0x1034
push edi
push eax
call fcn.00408e00
add esp, 0xc
push edi
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
push str.ReadSharedMemory__:
push ecx
mov edx, 0x82
mov ecx, esi
call fcn.00403b0e
lea eax, [ebp - 0x20c]
push eax
push str.succeeded._mapping_obj_name:__s
lea eax, [esi + 0x208]
push 0x104
push eax
call fcn.00406b11
and dword [esi + 0x410], 0
xor eax, eax
add esp, 0x10
inc eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00407989
leave
ret

Function at 0x430003
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
mov eax, section..text
nop
nop
nop
nop
push 4
pop edi
nop
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
je 0x430072
nop
nop
mov ebx, 0x408f6c
nop
nop
nop
nop
nop
mov ecx, ebx
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x14c12ac1
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
loop 0x430060
nop
nop
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x4300d2
nop
mov ebx, 0x42e3d0
nop
nop
nop
nop
mov ecx, ebx
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
mov esi, 0x6d8b243c
nop
nop
xor dword [eax], esi
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
loop 0x4300c0
popal
nop
nop
nop
nop
nop
jmp 0x401219
Function at 0x50ca751
Capabilities:
Delete file
Get common file path
Move file

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x138
mov eax, dword [0x50ccda0]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push edi
lea eax, [ebp - 0x108]
push eax
xor edi, edi
push edi
push 0x50c1850
push 0x50c17c4
mov dword [ebp - 0x110], ebx
call dword [sym.imp.KERNEL32.dll_GetTempFileNameA]
test eax, eax
jne 0x50ca799
mov eax, 0x88760357
jmp 0x50ca894
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push edi
push 0x80
push 2
push edi
push edi
push 0x40000000
lea eax, [ebp - 0x108]
push eax
call esi
mov dword [ebp - 0x114], eax
cmp eax, 0xffffffff
jne 0x50ca7cd
mov eax, 0x88760361
jmp 0x50ca893
push edi
push edi
push 3
push edi
push 1
push 0x80000000
push ebx
call esi
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esi, eax
cmp esi, 0xffffffff
jne 0x50ca7f5
mov dword [ebp - 0x10c], 0x88760361
jmp 0x50ca841
lea ecx, [ebp - 0x138]
call fcn.050ca43d
lea ecx, [ebp - 0x138]
call fcn.050ca4f0
test eax, eax
jne 0x50ca81b
mov dword [ebp - 0x10c], 0x88760356
jmp 0x50ca833
push dword [ebp - 0x114]
lea ecx, [ebp - 0x138]
push esi
call fcn.050d8eed
mov dword [ebp - 0x10c], eax
push esi
call ebx
lea ecx, [ebp - 0x138]
call fcn.050ca461
push dword [ebp - 0x114]
call ebx
cmp dword [ebp - 0x10c], edi
jge 0x50ca860
lea eax, [ebp - 0x108]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
jmp 0x50ca88d
push dword [ebp - 0x110]
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push dword [ebp - 0x110]
lea eax, [ebp - 0x108]
push eax
call dword [sym.imp.KERNEL32.dll_MoveFileA]
test eax, eax
jne 0x50ca88d
mov dword [ebp - 0x10c], 0x88760361
mov eax, dword [ebp - 0x10c]
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.050cafc7
leave
ret

Function at 0x50d3427
Capabilities:
Encode data using xor

Disassembly:
call 0x50d33a0
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 0x50d33d0
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 0x50d33ec
xor edx, 0
jmp 0x50d33f7
xor edx, edx
jmp 0x50d340e
jmp 0x50d341a
xor eax, eax
push 0x8427d7c0
call 0x50d3427
stc
add esp, 8
add esi, 0
cmp ecx, 0
je 0x50d3463
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 0x50d343c
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 0x50d347a
add eax, 0
jno 0x50d347f
add esi, 0
ret 0x10
Function at 0x50d41e8
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 0x50d420a
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 0x50d43ac
cmp edi, dword [ebp + 0x10]
jb 0x50d43ac
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.050d3cd4
inc edi
jmp 0x50d4293
jmp 0x50d42a0
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.050d3cd4
inc edi
and dword [esp - 0x4e], ecx
ror eax, 8
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push eax
push edi
call fcn.050d3cd4
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 0x50d42f4
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 0x50d42d8
pop ebx
xor edx, 0x1b7d0cc
add edx, 0xedeb415d
xchg dword [esp], edx
push edx
mov edx, esp
call int.050d4322
add dword [eax], 0x39
jle 0x50d42fe
sub al, 0xf5
mov ch, al
call fcn.050d4337
mov dword [edi], eax
pop ecx
pop edi
pop eax
leave
ret 0x10

Function at 0x50d600f
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 0x50d6025
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 0x50d6036
mov eax, edx
pop edx
pop ecx
pop esi
mov esp, ebp
mov ebp, dword [esp]
add esp, 4
push 0x54
call fcn.050d6077
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 0x50d83e3
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 0x50d832c
add ebx, 0
push ecx
call 0x50d8341
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, 0x7170b218
sub ebx, dword [0x7172aa57]
mov dword [ebp - 8], ebx
xchg esi, eax
push 0x7172aa47
call fcn.050d3e0b
xchg esi, eax
add esi, ebx
mov edx, dword [ebp + 8]
sub edx, ebx
call fcn.050d3319
mov edi, eax
mov eax, dword [esi + 8]
xor dword [esp - 0x69], edx
xor ebx, 0
xor eax, edi
cmp edx, eax
jb 0x50d849f
mov eax, dword [esi + 0xc]
xor eax, edi
cmp edx, eax
ja 0x50d849f
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 0x50d8456
mov eax, 1
lock xchg dword [0x7172aa53], eax
push 0x3dd1fc71
call 0x50d83e3
push esi
add esp, 8
cmp eax, 0
jne 0x50d83cc
push edx
mov eax, edi
xor byte [esi + edx], al
inc edx
dec ecx
jne 0x50d83f2
pop edx
mov eax, dword [esi + 0x14]
xor eax, edi
js 0x50d8407
cmp ecx, edx
cmp eax, 0
je 0x50d842c
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 0x50d8416
mov eax, 1
mov dword [esp - 0x1a], eax
push 0x8ae1b7eb
call fcn.050d8445
dec eax
loope 0x50d8448
invalid
xor eax, edi
mov dword [esi], eax
mov dword [0x7172aa53], 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 0x50d847c
xor edx, 0
add esp, 4
pop edi
pop ecx
pop edx
pop ebx
pop eax
leave
jmp 0x50d8491
jmp 0x50d849c
ret 4
mov eax, dword [esi + 4]
xor eax, edi
add esi, eax
jmp 0x50d838a

Function at 0x50df504
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 0x50df7da
push ebp
push 0xffffffffffffffff
sub esp, 0x32
mov dword [esp + 0x2e], 0x717176cb
add esp, 0x2e
sub esp, 4
mov dword [esp], 0x7170e691
push 0xffffffffffffffff
call fcn.050d6704
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 0x50df56e
and eax, eax
xchg edx, eax
mov edx, dword [ecx + edx - 0x75d46dac]
call fcn.050df586
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 0x50df7ce
xor eax, 0
ret 4
xor ecx, ecx
jmp 0x50df7a2
Function at 0x50eefd4
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 0x50eeff6
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0x50eeff6
add ebx, eax
cmp dword [ebx], 0x4550
jne 0x50eeff6
ret
cmp word [ebx + 4], 0x14c
jne 0x50eeff6
test word [ebx + 0x16], 2
je 0x50eeff6
test word [ebx + 0x16], 0x100
je 0x50eeff6
cmp word [ebx + 0x18], 0x10b
jne 0x50eeff6
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0x50eeff6
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0x50ef082
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0x50ef016
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.050d5f61
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0x50eeff6
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 0x50ef082
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 0x50eeff6
mov ebx, dword [eax + 0x3c]
cmp ebx, 0xf08
ja 0x50eeff6
add ebx, eax
cmp dword [ebx], 0x4550
jne 0x50eeff6
ret
cmp word [ebx + 4], 0x14c
jne 0x50eeff6
test word [ebx + 0x16], 2
je 0x50eeff6
test word [ebx + 0x16], 0x100
je 0x50eeff6
cmp word [ebx + 0x18], 0x10b
jne 0x50eeff6
mov edx, dword [ebx + 0x78]
cmp edx, 0
je 0x50eeff6
lea edx, [eax + edx]
mov edx, dword [edx + 0xc]
push 0xe1641d81
call 0x50ef082
adc al, 0xbd
mov dl, 3
cmp byte [ecx + 0x75ac5ffe], 0xa
jnp 0x50ef016
int1
salc
push edi
inc esp
add esp, 8
lea edx, [edx + eax]
mov ebx, eax
push edx
call fcn.050d5f61
xchg ebx, eax
cmp ebx, dword [ebp + 0xc]
jne 0x50eeff6
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 0x50ef139
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0x50ef192
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0x50ef139
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0x50ef148
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 0x54f4deb
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 0x50ef199
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.050d600f
cmp eax, dword [ebp + 0xc]
pop eax
je 0x50ef238
add edi, 4
add eax, 2
dec ecx
jne 0x50ef17e
call 0x50ef1e5
loope 0x50ef1db
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0x50ef235
mov dh, pe_nt_image_headers32
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 0x50ef246
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 0x50ef1f9
cmp eax, ecx
ja 0x50ef1f9
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0x50ef283
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0x50ef279
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.050d64ee
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0x50ef148
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0
push ecx
xor ecx, ecx
jne 0x50ef192
mov ecx, esp
xor dword [ecx - 0x55], edi
pop ecx
call 0x50ef139
dec esp
adc eax, 0x91b81b2a
div bh
int 0x82
xchg ebx, eax
ror cl, 1
into
out dx, eax
call 0x50ef148
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 0x54f4deb
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 0x50ef199
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.050d600f
cmp eax, dword [ebp + 0xc]
pop eax
je 0x50ef238
add edi, 4
add eax, 2
dec ecx
jne 0x50ef17e
call 0x50ef1e5
loope 0x50ef1db
invalid
sbb esi, ebx
mov edi, 0xdbead58c
js 0x50ef235
mov dh, pe_nt_image_headers32
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 0x50ef246
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 0x50ef1f9
cmp eax, ecx
ja 0x50ef1f9
mov esi, eax
lea edi, [ebp - 0x100]
mov al, byte [esi]
mov byte [edi], al
inc edi
inc esi
js 0x50ef283
or ecx, ecx
xor dword [esp - 0x6b], eax
cmp al, 0x2e
jne 0x50ef279
lea edi, [ebp - 0x100]
push 0x100
push edi
push esi
call fcn.050d64ee
lea esp, [esp - 0x60]
mov dword [esp + 0x5c], edi
lea esp, [esp + 0x5c]
Function at 0x431001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
mov eax, section..text
nop
nop
push 4
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
je 0x431072
nop
nop
mov ebx, 0x40915c
nop
nop
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
xor edx, edx
nop
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x78ec23d6
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
loop 0x431060
nop
mov eax, section..data
nop
cmp eax, 0
nop
nop
nop
nop
nop
je 0x4310d2
nop
nop
mov ebx, 0x42f3f8
nop
nop
mov ecx, ebx
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
push eax
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
pop eax
nop
nop
nop
nop
nop
mov esi, 0x1da40003
nop
nop
nop
nop
xor dword [eax], esi
nop
add eax, edi
nop
nop
nop
nop
loop 0x4310c0
nop
nop
nop
nop
nop
nop
nop
nop
popal
nop
jmp 0x401219

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

Disassembly:
pushal
nop
nop
mov eax, section..data
mov ebx, 0x408ecc
nop
nop
mov ecx, 0x20172016
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
je 0x43004e
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
jne 0x430024
nop
mov eax, section..text
mov ebx, 0x42e1d0
nop
mov ecx, 0x28d170f9
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x430084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
add eax, 4
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x43006c
nop
popal
nop
nop
nop
nop
nop
jmp 0x401219

Function at 0x431005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
mov eax, section..rsrc
nop
nop
push 4
nop
nop
nop
nop
nop
nop
nop
pop edi
nop
nop
nop
cmp eax, 0
nop
nop
nop
je 0x431072
nop
mov ebx, 0x40915c
nop
nop
mov ecx, ebx
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x357c51fb
nop
nop
nop
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x431060
nop
mov eax, section..data
cmp eax, 0
nop
nop
nop
je 0x4310d2
nop
nop
nop
nop
nop
mov ebx, 0x42f3f8
nop
nop
nop
mov ecx, ebx
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x7266367c
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
nop
add eax, edi
nop
loop 0x4310c0
nop
nop
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x401219
Function at 0x51002900
Capabilities:
Get common file path
Set current directory

Disassembly:
push ebx
push esi
add esp, 0xfffffdf0
mov esi, edx
mov ebx, eax
test bl, bl
je 0x5100293d
xor eax, eax
mov al, bl
add eax, 0x41
dec eax
mov byte [esp], al
mov byte [esp + 1], 0x3a
mov byte [esp + 2], 0
lea eax, [esp + 0x109]
push eax
push 0x105
call sub.kernel32.dll_GetCurrentDirectoryA
push esp
call sub.kernel32.dll_SetCurrentDirectoryA
lea eax, [esp + 4]
push eax
push 0x105
call sub.kernel32.dll_GetCurrentDirectoryA
test bl, bl
je 0x5100295d
lea eax, [esp + 0x109]
push eax
call sub.kernel32.dll_SetCurrentDirectoryA
mov eax, esi
lea edx, [esp + 4]
mov ecx, 0x105
call fcn.51004314
add esp, 0x210
pop esi
pop ebx
ret

Function at 0x51003100
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x510cc020]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x51003198
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA
test eax, eax
jne 0x51003178
xor eax, eax
push ebp
push 0x51003171
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 0x510031b4
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExA
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x51003178
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
mov ax, word [0x510cc020]
and ax, 0xffc0
mov dx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x510cc020], ax
mov esp, ebp
pop ebp
ret

Function at 0x51003ea4
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x510cf04c], 0
je 0x51003f05
cmp word [0x510cf220], 0xd7b2
jne 0x51003ecd
cmp dword [0x510cf228], 0
jbe 0x51003ecd
mov eax, 0x510cf21c
call dword [0x510cf238]
push 0
lea eax, [esp + 4]
push eax
push 0x1e
push 0x510cc06c
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 0x51003f2c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x510cc030], 0
jne 0x51003f21
push 0
push 0x510cc064
push 0x510cc06c
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret

Function at 0x51004058
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
mov eax, 8
call fcn.51002724
mov dword [eax], edi
mov edx, dword [ebp + 0x10]
mov dword [eax + 4], edx
mov byte [0x510cf04d], 1
mov edx, dword [ebp + 8]
push edx
mov edx, dword [ebp + 0xc]
push edx
push eax
mov eax, 0x51004020
push eax
push esi
push ebx
call sub.kernel32.dll_CreateThread
pop edi
pop esi
pop ebx
pop ebp
ret 0xc