joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4bfe40
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe8
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov ebx, eax
xor eax, eax
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], eax
mov eax, dword [ebx + 0x14]
movzx edx, byte [eax + 0x461]
movzx ecx, dl
cmp ecx, 6
ja case.0x4bfeda.0
jmp dword [ecx*4 + 0x4bfe73]
movzx edx, byte [eax + 0x460]
sub dl, 8
je 0x4bfea5
sub dl, 8
je 0x4bfeb4
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfaec
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfb44
jmp case.0x4bfeda.0
movzx ecx, byte [eax + 0x460]
cmp ecx, 0x10
ja case.0x4bfeda.0
movzx ecx, byte [ecx + 0x4bfee1]
jmp dword [ecx*4 + 0x4bfef2]
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfbf0
jmp case.0x4bfeda.0
cmp dl, 3
jne 0x4bff1f
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfc44
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfc00
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfc88
jmp case.0x4bfeda.0
movzx edx, byte [eax + 0x460]
sub dl, 8
je 0x4bff4a
sub dl, 8
je 0x4bff56
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfcb4
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfd20
jmp case.0x4bfeda.0
movzx edx, byte [eax + 0x460]
sub dl, 8
je 0x4bff75
sub dl, 8
je 0x4bff81
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfddc
jmp case.0x4bfeda.0
mov dword [ebp - 0x14], ebx
mov dword [ebp - 0x18], 0x4bfe04
mov edx, dword [eax + 0x468]
mov ecx, dword [ebx + 0x1c]
dec ecx
imul edx, ecx
mov esi, edx
add esi, dword [eax + 0x450]
mov dword [ebp - 0xc], esi
mov esi, dword [eax + 0x454]
mov dword [ebp - 8], esi
mov esi, edx
add esi, dword [eax + 0x44c]
mov dword [ebp - 0x10], esi
mov esi, ecx
test esi, esi
jb 0x4c0025
inc esi
mov eax, dword [ebx + 0x20]
inc eax
push eax
lea eax, [ebx + 0x4c]
push eax
mov eax, dword [ebp + 8]
push eax
movzx eax, byte [ebx + 0x48]
mov ecx, dword [ebx + eax*4 + 0x40]
mov edx, dword [ebp - 4]
mov eax, ebx
call fcn.004beff8
test eax, eax
je 0x4c0025
mov eax, ebx
call fcn.004c0030
mov eax, dword [ebp - 8]
push eax
mov eax, dword [ebp - 0x10]
push eax
movzx eax, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
lea edx, [eax + 1]
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x14]
call dword [ebp - 0x18]
movzx eax, byte [ebx + 0x48]
xor al, 1
mov byte [ebx + 0x48], al
mov eax, dword [ebx + 0x14]
mov eax, dword [eax + 0x468]
sub dword [ebp - 0xc], eax
sub dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x18]
add dword [ebp - 8], eax
dec esi
jne 0x4bffbe
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x4c0030
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff8
mov ebx, eax
movzx eax, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
movzx eax, byte [eax]
dec al
je 0x4c0061
dec al
je 0x4c009c
dec al
je 0x4c00e1
dec al
je 0x4c014a
jmp 0x4c01d4
mov esi, dword [ebx + 0x24]
inc esi
mov edi, dword [ebx + 0x20]
sub edi, esi
jb 0x4c01d4
inc edi
mov edx, esi
sub edx, dword [ebx + 0x24]
movzx ecx, byte [ebx + 0x48]
mov ecx, dword [ebx + ecx*4 + 0x40]
movzx edx, byte [ecx + edx]
movzx eax, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
add dl, byte [eax + esi]
and dl, 0xff
mov byte [eax + esi], dl
inc esi
dec edi
jne 0x4c0071
jmp 0x4c01d4
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4c01d4
mov esi, 1
movzx eax, byte [ebx + 0x48]
mov edx, eax
xor dl, 1
and edx, 0x7f
mov edx, dword [ebx + edx*4 + 0x40]
movzx edx, byte [edx + esi]
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
add dl, byte [eax + esi]
and dl, 0xff
movzx eax, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
mov byte [eax + esi], dl
inc esi
dec edi
jne 0x4c00ac
jmp 0x4c01d4
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4c01d4
mov esi, 1
movzx eax, byte [ebx + 0x48]
xor al, 1
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
movzx eax, byte [eax + esi]
mov ecx, esi
dec ecx
mov edx, dword [ebx + 0x24]
cmp ecx, edx
jae 0x4c0110
xor ebp, ebp
jmp 0x4c0120
mov ecx, esi
sub ecx, edx
movzx edx, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
movzx ebp, byte [edx + ecx]
add eax, ebp
sar eax, 1
jns 0x4c0129
adc eax, 0
movzx edx, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
add al, byte [edx + esi]
and al, 0xff
movzx edx, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
mov byte [edx + esi], al
inc esi
dec edi
jne 0x4c00f1
jmp 0x4c01d4
xor ebp, ebp
xor eax, eax
mov dword [esp + 4], eax
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4c01d4
mov esi, 1
movzx eax, byte [ebx + 0x48]
xor al, 1
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
movzx eax, byte [eax + esi]
mov edx, esi
dec edx
cmp edx, dword [ebx + 0x24]
jb 0x4c01a3
mov edx, esi
sub edx, dword [ebx + 0x24]
movzx ecx, byte [ebx + 0x48]
mov ecx, dword [ebx + ecx*4 + 0x40]
movzx ebp, byte [ecx + edx]
movzx edx, byte [ebx + 0x48]
xor dl, 1
and edx, 0x7f
mov edx, dword [ebx + edx*4 + 0x40]
mov ecx, esi
sub ecx, dword [ebx + 0x24]
movzx edx, byte [edx + ecx]
mov dword [esp + 4], edx
movzx edx, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
movzx edx, byte [edx + esi]
mov dword [esp], edx
movzx ecx, byte [esp + 4]
push eax
mov eax, ebp
pop edx
call fcn.004bd50c
add al, byte [esp]
and al, 0xff
movzx edx, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
mov byte [edx + esi], al
inc esi
dec edi
jne 0x4c015e
pop ecx
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x4c479c
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
test esi, esi
jbe 0x4c47bd
mov ecx, 1
mov ebx, edx
add ebx, ecx
dec ebx
movzx ebx, byte [ebx]
mov edi, eax
add edi, ecx
dec edi
xor byte [edi], bl
inc ecx
dec esi
jne 0x4c47aa
pop edi
pop esi
pop ebx
ret
Function at 0x4c9210
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
movzx ebx, dl
dec ebx
test ebx, ebx
jb 0x4c9264
inc ebx
xor edx, edx
mov ecx, edx
add ecx, ecx
add ecx, ecx
movzx esi, byte [eax + ecx]
lea esi, [esi*4 + 0x4fe8c4]
mov esi, dword [esi]
movzx edi, byte [eax + ecx + 1]
lea edi, [edi*4 + 0x4fecc4]
xor esi, dword [edi]
movzx edi, byte [eax + ecx + 2]
lea edi, [edi*4 + 0x4ff0c4]
xor esi, dword [edi]
movzx edi, byte [eax + ecx + 3]
lea edi, [edi*4 + 0x4ff4c4]
xor esi, dword [edi]
lea ecx, [eax + ecx]
mov dword [ecx], esi
inc edx
dec ebx
jne 0x4c921e
pop edi
pop esi
pop ebx
ret

Function at 0x4cba44
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
xor edx, edx
push ebp
push 0x4cba9e
push dword fs:[edx]
mov dword fs:[edx], esp
mov eax, dword [eax + 0x30]
call fcn.004cba34
mov ebx, eax
lea edx, [ebp - 4]
mov eax, edi
call fcn.00471ba8
mov edx, dword [ebp - 4]
mov eax, dword [ebx + 0xc]
call fcn.004717a0
mov edx, dword [esi + 0xc]
mov eax, dword [ebx + 0x10]
mov ecx, dword [eax]
call dword [ecx + 8]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4cbaa5
lea eax, [ebp - 4]
call fcn.00404c1c
ret
Function at 0x4d6f6c
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
mov ecx, 8
push 0
push 0
dec ecx
jne 0x4d6f74
push ecx
push ebx
push esi
push edi
mov ebx, eax
xor eax, eax
push ebp
push 0x4d7166
push dword fs:[eax]
mov dword fs:[eax], esp
mov esi, dword [ebx + 8]
lea ecx, [ebp - 0xc]
mov edx, 0x4d717c
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0xc]
lea eax, [ebx + 0xc]
call fcn.00404c70
lea ecx, [ebp - 0x10]
mov edx, 0x4d7190
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0x10]
lea eax, [ebx + 0x28]
call fcn.00404c70
lea ecx, [ebp - 0x14]
mov edx, 0x4d71a8
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0x14]
lea eax, [ebx + 0x10]
call fcn.00404c70
lea ecx, [ebp - 0x18]
mov edx, 0x4d71c4
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0x18]
lea eax, [ebx + 0x14]
call fcn.00404c70
lea ecx, [ebp - 0x1c]
mov edx, 0x4d71e0
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0x1c]
lea eax, [ebx + 0x24]
call fcn.00404c70
lea ecx, [ebp - 0x24]
mov edx, 0x4d71f8
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x24]
lea edx, [ebp - 0x20]
call fcn.004098c0
mov eax, dword [ebp - 0x20]
or edx, 0xffffffff
call fcn.00409e94
mov edi, eax
mov dword [ebx + 0x18], edi
test edi, edi
setge al
mov byte [ebx + 0x4c], al
lea ecx, [ebp - 0x28]
mov edx, 0x4d7210
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x28]
call fcn.004760ac
fstp qword [ebx + 0x30]
wait
lea ecx, [ebp - 0x2c]
mov edx, 0x4d7220
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x2c]
call fcn.004760ac
fstp qword [ebx + 0x40]
wait
lea ecx, [ebp - 0x30]
mov edx, 0x4d7238
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x30]
or edx, 0xffffffff
call fcn.00409e94
inc eax
je 0x4d7109
lea ecx, [ebp - 0x34]
mov edx, 0x4d7238
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x34]
call fcn.00409e58
mov edi, eax
mov eax, edi
mov ecx, 0xe10
cdq
idiv ecx
mov dword [ebp - 8], eax
mov eax, edi
mov ecx, 0xe10
cdq
idiv ecx
mov ecx, edx
mov eax, ecx
push ecx
mov ecx, 0x3c
cdq
idiv ecx
pop ecx
mov dword [ebp - 4], eax
mov eax, ecx
mov ecx, 0x3c
cdq
idiv ecx
mov edi, edx
push 0
mov ecx, edi
movzx edx, word [ebp - 4]
movzx eax, word [ebp - 8]
call fcn.0040b8dc
fstp qword [ebp - 0x3c]
wait
call fcn.0040bc44
fadd qword [ebp - 0x3c]
fstp qword [ebx + 0x38]
wait
jmp 0x4d7124
lea ecx, [ebp - 0x40]
mov edx, 0x4d7238
mov eax, esi
call fcn.004ca368
mov eax, dword [ebp - 0x40]
call fcn.004760ac
fstp qword [ebx + 0x38]
wait
lea ecx, [ebp - 0x44]
mov edx, 0x4d7248
mov eax, esi
call fcn.004ca368
mov edx, dword [ebp - 0x44]
lea eax, [ebx + 0x48]
call fcn.00404c70
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4d716d
lea eax, [ebp - 0x44]
mov edx, 2
call fcn.00404c40
lea eax, [ebp - 0x34]
mov edx, 0xb
call fcn.00404c40
ret
Function at 0x4dedf8
Capabilities:
Terminate process

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffec8
push ebx
push esi
xor edx, edx
mov dword [ebp - 0x134], edx
mov dword [ebp - 0x138], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
call fcn.0040509c
xor eax, eax
push ebp
push 0x4deefa
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0x130], 0x128
xor edx, edx
mov eax, 2
call fcn.004dbd28
mov ebx, eax
lea edx, [ebp - 0x130]
mov eax, ebx
call fcn.004dbd48
test eax, eax
je 0x4deece
lea edx, [ebp - 0x130]
mov eax, ebx
call fcn.004dbd68
mov esi, eax
test esi, esi
je 0x4deeca
lea eax, [ebp - 8]
push eax
push ebx
call sub.user32.dll_GetWindowThreadProcessId
lea eax, [ebp - 0x138]
lea edx, [ebp - 0x10c]
mov ecx, 0x104
call fcn.00404e8c
mov eax, dword [ebp - 0x138]
lea edx, [ebp - 0x134]
call fcn.004094d4
mov eax, dword [ebp - 0x134]
mov edx, dword [ebp - 4]
call fcn.00405044
jne 0x4deeca
mov eax, dword [ebp - 0x128]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
push eax
push 0xffffffffffffffff
push 0x1f0fff
call sub.kernel32.dll_OpenProcess
mov ebx, eax
push 0
push ebx
call sub.kernel32.dll_TerminateProcess
test esi, esi
jne 0x4dee53
push ebx
call sub.kernel32.dll_CloseHandle
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4def01
lea eax, [ebp - 0x138]
mov edx, 2
call fcn.00404c40
lea eax, [ebp - 4]
call fcn.00404c1c
ret

Function at 0x4df19c
Capabilities:
Log keystrokes via application hook

Disassembly:
push 0
mov eax, dword [0x5037f8]
push eax
mov eax, 0x4df160
push eax
push 0xd
call sub.user32.dll_SetWindowsHookExA
mov dword [0x506be4], eax
ret

Function at 0x4df1c4
Capabilities:
Create http request

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffc0
push ebx
push esi
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
call fcn.0040509c
mov eax, dword [ebp - 8]
call fcn.0040509c
xor eax, eax
push ebp
push 0x4df28f
push dword fs:[eax]
mov dword fs:[eax], esp
mov esi, 0x14
mov dword [ebp - 0x1c], 0x14
xor eax, eax
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], 3
mov dword [ebp - 0x40], 1
mov dword [ebp - 0x3c], 3
mov dword [ebp - 0x34], 2
mov eax, dword [ebp - 8]
call fcn.004050ac
mov dword [ebp - 0x30], eax
mov dword [ebp - 0x28], 3
mov eax, 0x4df29c
mov dword [ebp - 0x24], eax
lea eax, [ebp - 0x40]
mov dword [ebp - 0xc], eax
push 0
push 0
push 0
push 1
mov eax, dword [ebp - 4]
call fcn.004050ac
push eax
call sub.wininet.dll_InternetOpenA
mov ebx, eax
push esi
lea eax, [ebp - 0x1c]
push eax
push 0x4b
push ebx
call sub.wininet.dll_InternetSetOptionA
push 0
push 0
push 0x25
push ebx
call sub.wininet.dll_InternetSetOptionA
push ebx
call sub.wininet.dll_InternetCloseHandle
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4df296
lea eax, [ebp - 8]
mov edx, 2
call fcn.00404c40
ret
Function at 0x406004
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push esi
xor esi, esi
cmp dword [0x422a1c], esi
push edi
jne 0x40603e
mov ecx, 0x422a18
push 8
mov eax, esi
pop edi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec edi
jne 0x40601a
mov dword [ecx], eax
add ecx, 4
inc esi
cmp ecx, 0x422e18
jl 0x406015
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0xc]
mov edx, ecx
dec ecx
test edx, edx
not eax
jbe 0x406073
lea edx, [ecx + 1]
mov ecx, dword [esp + 0x10]
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422a18]
xor eax, esi
inc ecx
dec edx
jne 0x406056
pop edi
pop esi
not eax
ret 0xc

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x4362a0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d6acb
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.004cac16
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x436322
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004c8645
mov eax, dword [eax]
push 0x7f2234
push eax
call fcn.004b6f24
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004caea1
test bl, bl
je 0x436322
push 0x7f2234
lea ecx, [esp + 0xc]
call fcn.004cb231
push 0x7f5dac
lea ecx, [esp + 0xc]
call fcn.004cb231
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 0x43635e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004caea1
jmp 0x436429
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 0x4363e2
lea edx, [esp + 0x7c]
push 0x7f5da8
push edx
call fcn.004b6f24
add esp, 8
test eax, eax
je 0x4363e2
lea eax, [esp + 0x7c]
push 0x7f5da4
push eax
call fcn.004b6f24
add esp, 8
test eax, eax
je 0x4363e2
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 0x436372
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.004caea1
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 0x436c20
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 0x436c82
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 0x436c90
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4d6b4b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x8b1c88]
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 0x436dc8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x436cf6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004caea1
xor eax, eax
jmp 0x436e3f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004cafde
push esi
lea ecx, [esp + 0xc]
call fcn.004cb26d
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x7f5de4
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x436e1d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push SysReAllocString
call fcn.00436c20
test eax, eax
jne 0x436e1d
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 SysReAllocString
mov ecx, edi
call fcn.00436c20
test eax, eax
jne 0x436e1d
lea eax, [esp + 0x14]
push 0x7f5dc0
push eax
call fcn.004b8160
mov esi, eax
add esp, 8
test esi, esi
jne 0x436dfc
lea ecx, [esp + 0x14]
push 0x7f5dbc
push ecx
call fcn.004b80e0
mov esi, eax
add esp, 8
test esi, esi
jne 0x436dfc
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x436dff
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004caf8e
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x436d0e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004caea1
xor eax, eax
jmp 0x436e3f
mov byte [esi], 0
push 0x7f5db8
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.004caea1
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 0x44d130
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 0x44d19e
cmp si, 0x69
ja 0x44d19e
add esi, 0xffd0
cmp si, 0x11
je 0x44d16e
push 0x11
call edi
test ax, ax
jge 0x44d16e
or esi, 0x2000
cmp si, 0x10
je 0x44d183
push 0x10
call edi
test ax, ax
jge 0x44d183
or esi, 0x4000
cmp si, 0x12
je 0x44d198
push 0x12
call edi
test ax, ax
jge 0x44d198
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x44d1ab
mov esi, 0xbd
jmp 0x44d15f
cmp si, 0x6e
jne 0x44d1b8
mov esi, 0xbe
jmp 0x44d15f
cmp si, 0x6f
jne 0x44d159
mov esi, 0xbf
jmp 0x44d15f

Function at 0x44e9b0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x8c2d48]
xor edx, edx
cmp eax, edx
jne 0x44e9d6
xor eax, eax
mov byte [eax + 0x8c2c48], al
inc eax
cmp eax, 0x100
jl 0x44e9be
mov dword [0x8c2d48], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x8c2c48
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x44ea67
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 0x44ea3a
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 0x44ea08
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x44eae0
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 0x44eb33
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 0x44eb1a
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 0x455990
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 0x455b28
cmp ebp, ebx
jle 0x455b28
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 0x4559ee
dec eax
or eax, 0xfffffff8
inc eax
je 0x4559f5
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x455a04
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x455a0b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.004cabe2
add esp, 4
cmp eax, ebx
je 0x455a2c
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.004cabe2
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 0x455b1e
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 0x455b05
mov al, byte [edx]
cmp al, 0xc0
jbe 0x455af1
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x455ae6
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 0x455af4
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x455af4
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x455a90
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 0x455a81
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