joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49e4e5
Capabilities:
Capture webcam image

Disassembly:
sub esp, 0x44
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x49e5fd
push eax
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
je 0x49e5fd
mov eax, dword [esi + 0x3c]
push eax
call fcn.004ddaec
mov esi, eax
test esi, esi
je 0x49e5fd
mov ebx, dword [esp + 0x58]
mov ecx, dword [esi + 0x1c]
mov ebp, dword [sym.imp.USER32.dll_SendMessageA]
push 0
push ebx
push 0x419
push ecx
call ebp
mov edi, eax
test edi, edi
jl 0x49e5fd
mov ecx, esi
call fcn.0049e450
cmp edi, eax
jge 0x49e5fd
mov eax, dword [esi + 0xc4]
mov edx, dword [esi + 0xc0]
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x5c]
xor ecx, ecx
mov dword [esp + 0x28], edx
cmp eax, ecx
mov dword [esp + 0x30], eax
mov dword [esp + 0x34], ecx
mov dword [esp + 0x4c], ecx
mov dword [esp + 0x50], ecx
mov dword [esp + 0x38], edi
jne 0x49e583
mov dword [esp + 0x34], 1
jmp 0x49e5de
mov edx, dword [esi + 0x1c]
lea ecx, [esp + 0x18]
push ecx
push ebx
push 0x433
push edx
call ebp
test eax, eax
je 0x49e5fd
mov eax, dword [esp + 0x60]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x24]
mov dword [esp + 0x10], ecx
mov dword [eax], 0
mov ecx, dword [esi + 0x1c]
lea eax, [esp + 0x10]
add edx, 2
push eax
push ecx
mov dword [esp + 0x1c], edx
call dword [sym.imp.USER32.dll_ClientToScreen]
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x14]
mov dword [esp + 0x34], 3
mov dword [esp + 0x3c], edx
mov dword [esp + 0x40], eax
xor ecx, ecx
push ecx
lea ecx, [esp + 0x2c]
push ecx
push 0x7d8
call fcn.0049cca0
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x44
ret 0xc
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x44
ret 0xc

Function at 0x4a3560
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x4a35c6
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x4a35c6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4a35a7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x4a3950
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4a3988
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x4a4650
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x4a4699
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x4a4b10
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4ecf60
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004a46c0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004a4740
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004a4740
lea ecx, [esi + 0xc]
call fcn.004dc001
lea ecx, [esi + 0x10]
call fcn.004dc001
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004a5cd0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004a5cd0
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004a5cd0
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.004dc076
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.004dc076
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4aad40
Capabilities:
Terminate process

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
test esi, esi
push edi
jne 0x4aad50
mov esi, 1
push esi
call fcn.004c87c7
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x4aada2
call fcn.004ca160
mov edi, eax
call fcn.004ad890
mov ecx, dword [edi]
mov dword [eax], ecx
mov eax, dword [esp + 0x14]
mov edi, eax
and edi, 8
je 0x4aad86
mov edx, dword [0x5446b8]
mov dword [0x5446b4], edx
test al, 0x18
je 0x4aad97
push esi
push 0x24
push 5
call fcn.004ae0e0
add esp, 0xc
test edi, edi
je 0x4aadbd
push 1
call fcn.004c9e3b
test byte [esp + 0x14], 0x20
je 0x4aadbd
mov ecx, esi
mov edx, ecx
shr ecx, 2
xor eax, eax
mov edi, ebx
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
pop edi
pop esi
mov eax, ebx
pop ebx
ret

Function at 0x4abec0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x2c
mov edx, dword [ebp + 0x10]
test edx, edx
push ebx
push esi
push edi
je 0x4abfb4
cmp byte [edx], 0
je 0x4abfa7
mov eax, dword [ebp + 0xc]
mov ebx, dword [ebp + 8]
add eax, 8
or ecx, 0xffffffff
mov dword [esp + 0xc], eax
xor eax, eax
mov edi, edx
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
push edx
lea ecx, [esp + 0x20]
push ecx
mov esi, ebx
call fcn.004abe40
mov edi, dword [ebp + 0xc]
push 8
lea edx, [esp + 0x20]
push edi
push edx
call fcn.004abe40
mov edx, dword [esp + 0x34]
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
xor eax, edx
push eax
xor ecx, dword [esp + 0x34]
push ecx
lea edx, [esp + 0x40]
push edx
call fcn.004abdb0
mov eax, dword [esp + 0x30]
add esp, 0x24
cmp edi, eax
jae 0x4abf71
sub eax, edi
mov edi, eax
lea eax, [esp + 0x20]
push eax
call fcn.004abdf0
fmul qword [0x5233e8]
push ecx
fstp qword [esp]
call fcn.004c70f8
fadd qword [0x5233e0]
add esp, 8
call fcn.004c71c8
mov byte [ebx], al
inc ebx
dec edi
jne 0x4abf44
lea ecx, [esp + 0x20]
push ecx
call fcn.004abdf0
fmul qword [0x5233e8]
push ecx
fstp qword [esp]
call fcn.004c70f8
add esp, 8
call fcn.004c71c8
cmp esi, ebx
je 0x4abf9d
xor byte [esi], al
inc esi
cmp esi, ebx
jne 0x4abf96
mov byte [ebx], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp + 8]
mov byte [edx], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
pop edi
pop esi
mov byte [eax], 0
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4ac380
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
lea eax, [ebx + 0x134]
push edi
lea esi, [ebx + 0x34]
mov dword [esp + 0x14], eax
xor edi, edi
mov ecx, dword [ebx + 0x1c]
mov ebp, edi
and ebp, 0xff
mov al, byte [ecx + ebp + 1]
test al, 3
je 0x4ac3b0
mov byte [edi + esi], 2
jmp 0x4ac3e7
test al, 4
je 0x4ac3ba
mov byte [edi + esi], 0xd
jmp 0x4ac3e7
mov edx, dword [ebx + 0x240]
push edi
push ebx
call dword [edx + 4]
add esp, 8
cmp eax, 1
jle 0x4ac3d3
mov byte [edi + esi], 2
jmp 0x4ac3e7
mov eax, dword [ebx + 0x1c]
test byte [eax + ebp + 1], 0x17
jne 0x4ac3e3
mov byte [edi + esi], 0x19
jmp 0x4ac3e7
mov byte [edi + esi], 1
inc edi
cmp edi, 0x100
jb 0x4ac397
mov ecx, dword [esp + 0x14]
mov al, 7
mov byte [esi + 0x21], al
mov byte [esi + 0x3d], al
mov byte [esi + 0x3e], al
mov al, 0x10
mov byte [esi + 0x7c], al
mov byte [esi + 0x26], al
mov byte [esi + 0x24], 2
mov byte [esi + 0x5f], 2
mov byte [esi + 0x27], 9
mov byte [esi + 0x2e], 0xf
mov byte [esi + 0x3c], 8
mov byte [esi + 0x23], 0xa
mov byte [esi + 0x3b], 0x15
mov byte [esi + 0x3a], 0x16
mov byte [esi], 0x11
mov byte [esi + 0x5c], 0x12
mov byte [esi + 0x2f], 0x13
mov byte [esi + 0x2a], 0x14
mov byte [esi + 0x40], 0x17
mov byte [esi + 0x60], 0x1a
mov byte [esi + 0x22], 0x20
mov eax, esi
sub ecx, esi
mov edi, 0x100
mov dl, byte [eax]
cmp dl, 2
je 0x4ac45b
cmp dl, 0xd
je 0x4ac45b
xor edx, edx
jmp 0x4ac460
mov edx, 1
mov byte [ecx + eax], dl
inc eax
dec edi
jne 0x4ac44b
mov al, 0x1d
mov byte [esi + 0x58], al
mov byte [esi + 0x78], al
mov al, 0x1f
pop edi
mov byte [esi + 0x62], 0x1e
mov byte [esi + 0x4e], al
mov byte [esi + 0x6e], al
pop esi
pop ebp
pop ebx
ret

Function at 0x4ac480
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push esi
push edi
push ebx
push 0x4000
call fcn.004aad40
mov esi, eax
add esp, 8
test esi, esi
jne 0x4ac4a1
pop edi
pop esi
xor al, al
pop ebx
ret
mov eax, dword [esp + 0x10]
push ebx
push 0
push eax
call fcn.004adad0
mov edi, eax
add esp, 0xc
test edi, edi
jge 0x4ac4c6
push esi
call fcn.004aadd0
add esp, 4
pop edi
pop esi
mov al, 1
pop ebx
ret
push ebp
push 0x4000
push esi
push edi
call fcn.004d4202
push ebx
push edi
mov ebp, eax
call fcn.004adb40
push 0x4ac500
push ebp
push esi
call fcn.004aee70
push esi
call fcn.004aadd0
add esp, 0x24
pop ebp
pop edi
pop esi
xor al, al
pop ebx
ret
Function at 0x4ad800
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebx
push esi
push 0x633a20
xor bl, bl
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x633944]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
jne 0x4ad87b
push 0x4c
push 1
call fcn.004c9540
mov esi, eax
add esp, 8
test esi, esi
jne 0x4ad843
push 0x633a20
mov bl, 1
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov al, bl
pop ebx
ret
mov ecx, dword [0x633944]
push esi
push ecx
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
mov eax, dword [0x628c98]
inc eax
lea edx, [esi + 0xc]
mov dword [0x628c98], eax
push edx
mov dword [esi + 0x30], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
lea eax, [esi + 4]
push 0
push eax
call fcn.004b1300
add esp, 8
mov byte [esi + 0x3c], 1
push 0x633a20
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
mov al, bl
pop ebx
ret

Function at 0x4add00
Capabilities:
Read file on windows

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov dword [esp + 0x1c], edi
call fcn.004ca160
mov ebx, dword [esp + 0x14]
mov dword [eax], 0
mov eax, dword [esp + 0x18]
push edi
push eax
push ebx
call fcn.004d4202
mov esi, eax
add esp, 0xc
cmp esi, edi
je 0x4addfa
call fcn.004ca160
cmp dword [eax], 0
je 0x4add47
call fcn.004ca160
mov ebp, dword [eax]
jmp 0x4add4a
or ebp, 0xffffffff
call fcn.004ad890
test esi, esi
mov dword [eax], ebp
jne 0x4add5f
call fcn.004ca160
cmp dword [eax], 4
je 0x4addaf
mov eax, dword [esp + 0x20]
test al, 0x1a
je 0x4add92
cmp esi, 0xffffffff
je 0x4addd4
test al, 6
je 0x4add92
call fcn.004ad890
mov ecx, dword [eax]
push ecx
push ebx
call fcn.004b1330
add esp, 4
push eax
push 0x24
push 9
call fcn.004ae0e0
mov eax, dword [esp + 0x30]
add esp, 0x10
cmp esi, 0xffffffff
je 0x4addf2
test al, 6
je 0x4adda0
test ah, 2
je 0x4addf2
test esi, esi
jbe 0x4addfe
test ah, 2
je 0x4addfe
add dword [esp + 0x18], esi
sub edi, esi
call fcn.004ca160
mov edx, dword [esp + 0x18]
push edi
push edx
push ebx
mov dword [eax], 0
call fcn.004d4202
mov esi, eax
add esp, 0xc
cmp esi, edi
je 0x4addfa
jmp 0x4add34
call fcn.004ad890
mov eax, dword [eax]
push eax
push ebx
call fcn.004b1330
add esp, 4
push eax
push 0x24
push 2
call fcn.004ae0e0
add esp, 0x10
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret
mov eax, dword [esp + 0x20]
test al, 6
je 0x4ade0b
xor esi, esi
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret
test ah, 2
je 0x4ade14
mov esi, dword [esp + 0x1c]
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
ret

Function at 0x4cb304
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x4cb324
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004ca0ed
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x4cb347
test byte [esp + 8], 2
je 0x4cb347
call fcn.004ca160
mov dword [eax], 0xd
call fcn.004ca169
mov dword [eax], 5
jmp 0x4cb320
xor eax, eax
ret
Function at 0x4de490
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4de4c8
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.004dc51d
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004dc4f5
jmp 0x4de4d4
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4dfb82
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x4dfbc4
call fcn.004e5b4c
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4dfbc4
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4dfbbb
xor eax, eax
jmp 0x4dfbcc
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004dfbd2
pop edi
pop esi
pop ebx
ret 4

Function at 0x4e607c
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4e60aa
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4e60c8
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004e5fe2
jmp 0x4e60c8
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4e60c8
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004e5fe2
test edi, edi
mov eax, edi
jne 0x4e60b2
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8

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 0x41f3c0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4cd34b
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.004bf0ff
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41f442
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.004bc640
mov eax, dword [eax]
push 0x78e220
push eax
call fcn.004adce4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.004bf38a
test bl, bl
je 0x41f442
push 0x78e220
lea ecx, [esp + 0xc]
call fcn.004bf766
push 0x791ddc
lea ecx, [esp + 0xc]
call fcn.004bf766
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 0x41f47e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.004bf38a
jmp 0x41f549
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 0x41f502
lea edx, [esp + 0x7c]
push 0x791dd8
push edx
call fcn.004adce4
add esp, 8
test eax, eax
je 0x41f502
lea eax, [esp + 0x7c]
push 0x791dd4
push eax
call fcn.004adce4
add esp, 8
test eax, eax
je 0x41f502
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 0x41f492
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.004bf38a
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 0x41fd60
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 0x41fdc2
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 0x41fdd0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4cd3cb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x79e4bc]
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 0x41ff08
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41fe36
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004bf38a
xor eax, eax
jmp 0x41ff7f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.004bf513
push esi
lea ecx, [esp + 0xc]
call fcn.004bf7a2
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x791e14
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x41ff5d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push 0x791e0c
push SysReAllocStringLen
call fcn.0041fd60
test eax, eax
jne 0x41ff5d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push 0x791df8
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push SysReAllocStringLen
mov ecx, edi
call fcn.0041fd60
test eax, eax
jne 0x41ff5d
lea eax, [esp + 0x14]
push 0x791df0
push eax
call fcn.004aeed0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41ff3c
lea ecx, [esp + 0x14]
push 0x791dec
push ecx
call fcn.004aee50
mov esi, eax
add esp, 8
test esi, esi
jne 0x41ff3c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41ff3f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.004bf4c3
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41fe4e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.004bf38a
xor eax, eax
jmp 0x41ff7f
mov byte [esi], 0
push 0x791de8
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.004bf38a
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 0x4358e0
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 0x43594e
cmp si, 0x69
ja 0x43594e
add esi, 0xffd0
cmp si, 0x11
je 0x43591e
push 0x11
call edi
test ax, ax
jge 0x43591e
or esi, 0x2000
cmp si, 0x10
je 0x435933
push 0x10
call edi
test ax, ax
jge 0x435933
or esi, 0x4000
cmp si, 0x12
je 0x435948
push 0x12
call edi
test ax, ax
jge 0x435948
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x43595b
mov esi, 0xbd
jmp 0x43590f
cmp si, 0x6e
jne 0x435968
mov esi, 0xbe
jmp 0x43590f
cmp si, 0x6f
jne 0x435909
mov esi, 0xbf
jmp 0x43590f

Function at 0x437170
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x7af4f0]
xor edx, edx
cmp eax, edx
jne 0x437196
xor eax, eax
mov byte [eax + 0x7af3f0], al
inc eax
cmp eax, 0x100
jl 0x43717e
mov dword [0x7af4f0], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x7af3f0
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x437227
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 0x4371fa
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 0x4371c8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4372a0
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 0x4372f3
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 0x4372da
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 0x43a830
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4cec78
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
push esi
mov esi, dword [esp + 0x40]
push esi
lea ecx, [esp + 0x20]
call fcn.004c6010
mov ecx, dword [esi + 0x1c]
lea eax, [esp + 0xc]
push eax
push ecx
mov dword [esp + 0x40], 0
call dword [sym.imp.USER32.dll_GetWindowRect]
mov eax, dword [esp + 0x18]
mov esi, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
mov edx, dword [esp + 0xc]
sub eax, esi
sub ecx, edx
mov edx, dword [esp + 0x4c]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x48]
mov dword [esp + 4], ecx
mov ecx, dword [esp + 0x44]
push edx
push eax
lea edx, [esp + 0xc]
push ecx
lea eax, [esp + 0x28]
push edx
push eax
call fcn.0043a700
add esp, 0x14
lea ecx, [esp + 0x1c]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004c6082
mov ecx, dword [esp + 0x30]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x38
ret