joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1007661
Capabilities:
Check os version
Query or enumerate registry value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0xb4
mov eax, dword [0x100c2c4]
xor eax, ebp
mov dword [ebp - 4], eax
and dword [ebp - 0xa8], 0
cmp dword [0x100c5e4], 0xfffffffe
mov dword [ebp - 0xb0], 0xc
jne 0x1007786
and dword [0x100c5e4], 0
lea eax, [ebp - 0xa4]
push eax
mov dword [ebp - 0xa4], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x1007786
cmp dword [ebp - 0x94], 1
jne 0x1007786
cmp dword [ebp - 0xa0], 4
jne 0x1007786
cmp dword [ebp - 0x9c], 0xa
jae 0x1007786
push 0x4a
call dword [sym.imp.USER32.dll_GetSystemMetrics]
test eax, eax
je 0x1007786
lea eax, [ebp - 0xac]
push eax
push 0x20019
push 0
push 0x10015bc
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x1007786
push edi
lea eax, [ebp - 0xb0]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xb4]
push eax
push 0
push 0x10012e1
push dword [ebp - 0xac]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push dword [ebp - 0xac]
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test edi, edi
pop edi
jne 0x1007786
lea eax, [ebp - 0xa8]
push eax
lea eax, [ebp - 0x10]
push eax
call fcn.0100753e
test eax, eax
je 0x1007786
and dword [ebp - 0xa8], 0x3ff
cmp dword [ebp - 0xa8], 1
je 0x100777c
cmp dword [ebp - 0xa8], 0xd
jne 0x1007786
mov dword [0x100c5e4], 1
mov ecx, dword [ebp - 4]
mov eax, dword [0x100c5e4]
xor ecx, ebp
call fcn.01006b07
leave
ret

Function at 0x10077f7
Capabilities:
Get disk size

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0100779c

Function at 0x1008bc3
Capabilities:
Encode data using xor

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0xc]
mov eax, esi
shr eax, 2
push edi
mov edi, dword [ebp + 0x10]
test eax, eax
jle 0x1008c04
push ebx
movzx edx, byte [ecx]
dec eax
inc ecx
movzx ebx, byte [ecx]
shl ebx, 8
or edx, ebx
inc ecx
movzx ebx, byte [ecx]
shl ebx, 0x10
or edx, ebx
inc ecx
movzx ebx, byte [ecx]
shl ebx, 0x18
or edx, ebx
inc ecx
xor edi, edx
test eax, eax
jg 0x1008bdd
pop ebx
and esi, 3
xor eax, eax
dec esi
je 0x1008c22
dec esi
je 0x1008c19
dec esi
jne 0x1008c27
movzx eax, byte [ecx]
shl eax, 0x10
inc ecx
movzx edx, byte [ecx]
shl edx, 8
or eax, edx
inc ecx
movzx ecx, byte [ecx]
or eax, ecx
xor eax, edi
pop edi
pop esi
pop ebp
ret 0xc

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x408ecc
nop
nop
mov ecx, 0x2cdf2f5c
nop
nop
test eax, eax
nop
nop
je 0x43004e
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x430024
nop
mov eax, section..data
nop
mov ebx, 0x42e1d0
mov ecx, 0x3a910580
nop
nop
test eax, eax
nop
nop
nop
nop
nop
nop
nop
je 0x430084
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
add eax, 4
nop
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x43006c
nop
nop
nop
nop
nop
nop
popal
nop
jmp 0x401219
Function at 0x41d323
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x41d362
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x41d362
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x41d362
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x41d362
cmp dword [ecx + 0x74], 0xe
jbe 0x41d362
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret

Function at 0x42f490
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x42f4bd
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x42f4bd
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x432004
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
mov eax, section..text
nop
nop
mov ebx, 0x40c7d0
nop
mov ecx, 0x74460e37
nop
nop
nop
nop
test eax, eax
je 0x43204e
nop
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x432024
nop
nop
nop
nop
mov eax, section..data_1
nop
mov ebx, 0x42f314
mov ecx, 0x185124c0
nop
test eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
je 0x432084
nop
nop
nop
xor dword [eax], ecx
nop
nop
add eax, 4
nop
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x43206c
nop
popal
nop
nop
nop
nop
nop
jmp 0x431219
Function at 0x40380b
Capabilities:
Accept command line arguments
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
push esi
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov esi, eax
mov al, byte [esi]
cmp al, 0x22
jne 0x403834
cmp al, 0x22
je 0x40382c
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x403820
cmp byte [esi], 0x22
jne 0x40383e
inc esi
jmp 0x40383e
cmp al, 0x20
jle 0x40383e
inc esi
cmp byte [esi], 0x20
jg 0x403838
mov al, byte [esi]
test al, al
je 0x403848
cmp al, 0x20
jle 0x403831
and dword [ebp - 0x18], 0
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
call fcn.004038b6
push 0x405004
push section..data
call fcn.0040389c
test byte [ebp - 0x18], 1
pop ecx
pop ecx
je 0x403878
movzx eax, word [ebp - 0x14]
jmp 0x40387b
push 0xa
pop eax
push eax
push esi
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call main
mov esi, eax
call fcn.004038ce
push esi
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x403914
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x40e008], 0x8088405
inc edx
mov dword [ebx + 0x40e008], edx
mul edx
mov eax, edx
pop ebx
ret
Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
push 4
nop
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
nop
je 0x430072
nop
nop
mov ebx, 0x408ecc
nop
nop
nop
mov ecx, ebx
nop
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
xor edx, edx
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
nop
nop
nop
nop
nop
div edi
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
mov esi, 0x16c27f3a
nop
nop
xor dword [eax], esi
nop
nop
nop
add eax, edi
nop
nop
nop
nop
nop
nop
loop 0x430060
nop
mov eax, section..data_1
nop
nop
nop
nop
cmp eax, 0
nop
nop
nop
je 0x4300d2
nop
mov ebx, 0x42e1d0
nop
nop
nop
nop
mov ecx, ebx
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
push eax
nop
nop
nop
nop
nop
nop
mov eax, ecx
nop
nop
div edi
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
nop
nop
nop
pop eax
nop
nop
nop
nop
mov esi, 0x14ee554f
nop
nop
nop
xor dword [eax], esi
nop
nop
add eax, edi
nop
nop
nop
nop
nop
loop 0x4300c0
nop
nop
nop
nop
nop
popal
nop
nop
jmp 0x401219
Function at 0x402a69
Capabilities:
Delete registry key
Query or enumerate registry key

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10c
push ebx
push esi
lea eax, [ebp - 4]
push edi
push eax
mov eax, dword [0x447010]
or al, 8
xor ebx, ebx
push eax
push ebx
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
cmp eax, ebx
jne 0x402afd
mov esi, dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
mov edi, 0x105
jmp 0x402aba
cmp dword [ebp + 0x10], ebx
jne 0x402af1
lea eax, [ebp - 0x10c]
push ebx
push eax
push dword [ebp - 4]
call fcn.00402a69
test eax, eax
jne 0x402acc
lea eax, [ebp - 0x10c]
push edi
push eax
push ebx
push dword [ebp - 4]
call esi
test eax, eax
je 0x402aa1
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 4
call fcn.004060b1
cmp eax, ebx
je 0x402b04
push ebx
push dword [0x447010]
push dword [ebp + 0xc]
push dword [ebp + 8]
call eax
jmp 0x402afd
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
inc eax
pop edi
pop esi
pop ebx
leave
ret 0xc
cmp dword [0x447010], ebx
jne 0x402afa
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
test eax, eax
jne 0x402afa
jmp 0x402afd
Function at 0x402f4b
Capabilities:
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor edi, edi
cmp eax, edi
jl 0x402f78
mov ecx, dword [0x446fb8]
push edi
add eax, ecx
push edi
push eax
mov dword [0x41fd04], eax
push dword [0x409018]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 4
pop esi
push esi
call fcn.00403076
cmp eax, edi
jl 0x40306f
lea eax, [ebp - 4]
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
push edi
push eax
lea eax, [ebp + 8]
push esi
push eax
push dword [0x409018]
call ebx
test eax, eax
je 0x40306c
cmp dword [ebp - 4], esi
jne 0x40306c
push dword [ebp + 8]
add dword [0x41fd04], esi
call fcn.00403076
cmp eax, edi
mov dword [ebp - 8], eax
jl 0x40306f
cmp dword [ebp + 0x10], edi
jne 0x40303b
cmp dword [ebp + 8], edi
jle 0x403067
mov esi, 0x41bd00
mov edi, 0x4000
cmp dword [ebp + 8], edi
jge 0x402feb
mov edi, dword [ebp + 8]
lea eax, [ebp - 4]
push 0
push eax
push edi
push esi
push dword [0x409018]
call ebx
test eax, eax
je 0x40306c
cmp edi, dword [ebp - 4]
jne 0x40306c
lea eax, [ebp + 0x14]
push 0
push eax
push dword [ebp - 4]
push esi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x403037
cmp dword [ebp + 0x14], edi
jne 0x403037
mov eax, dword [ebp - 4]
add dword [ebp - 8], eax
sub dword [ebp + 8], eax
add dword [0x41fd04], eax
cmp dword [ebp + 8], 0
jg 0x402fde
jmp 0x403067
push 0xfffffffffffffffe
jmp 0x40306e
mov eax, dword [ebp + 8]
cmp eax, dword [ebp + 0x14]
jl 0x403046
mov eax, dword [ebp + 0x14]
lea ecx, [ebp - 4]
push edi
push ecx
push eax
push dword [ebp + 0x10]
push dword [0x409018]
call ebx
test eax, eax
je 0x40306c
mov eax, dword [ebp - 4]
add dword [0x41fd04], eax
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
jmp 0x40306f
push 0xfffffffffffffffd
pop eax
pop edi
pop esi
pop ebx
leave
ret 0x10
Function at 0x403076
Capabilities:
Write file on windows

Disassembly:
push ecx
push ebx
push ebp
push esi
mov esi, dword [0x41fd04]
sub esi, dword [0x413c70]
push edi
add esi, dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
xor ebx, ebx
add eax, 0x1f4
cmp esi, ebx
mov dword [0x446f6c], eax
jle 0x4031e0
push dword [0x427d14]
call fcn.00403224
push ebx
push ebx
push dword [0x413c70]
push dword [0x409018]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [0x427d10], esi
mov dword [0x41fd00], ebx
mov ebp, 0x413d00
mov eax, dword [0x41fd08]
mov edi, 0x4000
sub eax, dword [0x427d14]
cmp eax, edi
jg 0x4030eb
mov edi, eax
mov esi, 0x41bd00
push edi
push esi
call fcn.004031f2
test eax, eax
je 0x4031d2
add dword [0x427d14], edi
mov dword [0x413c90], esi
mov dword [0x413c94], edi
cmp dword [0x446f70], ebx
je 0x403142
cmp dword [0x447000], ebx
jne 0x403142
mov eax, dword [0x427d10]
push ebx
sub eax, dword [0x41fd04]
sub eax, dword [esp + 0x1c]
add eax, dword [0x413c70]
mov dword [0x41fd00], eax
call fcn.00402c06
pop ecx
mov ecx, 0x413c78
mov dword [0x413c98], ebp
mov dword [0x413c9c], 0x8000
call fcn.004061ae
test eax, eax
jl 0x4031db
mov esi, dword [0x413c98]
sub esi, ebp
je 0x40319c
lea eax, [esp + 0x10]
push ebx
push eax
push esi
push ebp
push dword [0x409018]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x4031d7
cmp esi, dword [esp + 0x10]
jne 0x4031d7
add dword [0x413c70], esi
cmp dword [0x413c94], ebx
jne 0x403111
jmp 0x4031a8
cmp dword [0x413c94], ebx
jne 0x4031db
cmp edi, ebx
je 0x4031db
mov eax, dword [0x41fd04]
mov ecx, eax
sub ecx, dword [0x413c70]
add ecx, dword [esp + 0x18]
test ecx, ecx
jg 0x4030d5
push ebx
push ebx
push eax
push dword [0x409018]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x4031e0
or eax, 0xffffffff
jmp 0x4031ea
push 0xfffffffffffffffe
jmp 0x4031dd
push 0xfffffffffffffffd
pop eax
jmp 0x4031ea
push 1
call fcn.00402c06
pop ecx
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret 4
Function at 0x4054cf
Capabilities:
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
mov eax, 0x40735c
and byte [ebp - 0x1f], 0
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], eax
lea eax, [ebp - 0x20]
and dword [ebp - 0x14], 0
and dword [ebp - 4], 0
mov dword [ebp - 8], eax
lea eax, [ebp - 0xc]
push esi
push eax
mov byte [ebp - 0x20], 1
push dword [ebp + 8]
mov word [ebp - 0x1e], 4
mov dword [ebp - 0x10], 0x40734c
mov dword [ebp - 0xc], 0xc
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
test eax, eax
je 0x405520
xor eax, eax
jmp 0x405547
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
call esi
cmp eax, 0xb7
jne 0x405547
lea eax, [ebp - 0x20]
push eax
push 0x80000007
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_SetFileSecurityA]
test eax, eax
jne 0x40551c
call esi
pop esi
leave
ret 4

Function at 0x405581
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
lea eax, [ebp - 0x10]
mov dword [0x43e568], 0x44
push eax
xor eax, eax
push 0x43e568
push eax
push eax
push eax
push eax
push eax
push eax
push dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
je 0x4055bc
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x10]
leave
ret 4
Function at 0x405646
Capabilities:
Delete directory
Delete file
Enumerate files on windows
Enumerate files recursively

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x148
push esi
push edi
mov edi, dword [ebp + 8]
push edi
call fcn.004058f5
test byte [ebp + 0xc], 8
mov dword [ebp - 8], eax
je 0x40567a
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
neg eax
sbb eax, eax
inc eax
add dword [0x446fe8], eax
jmp 0x40580e
push ebx
mov ebx, dword [ebp + 0xc]
and ebx, 1
mov dword [ebp - 4], ebx
je 0x405698
test eax, eax
je 0x4057b9
test byte [ebp + 0xc], 2
je 0x4057b9
mov esi, 0x439d68
push edi
push esi
call fcn.00405d21
test ebx, ebx
je 0x4056b5
push str..
push esi
call sub.KERNEL32.dll_lstrcatA
jmp 0x4056bb
push edi
call fcn.0040585b
cmp byte [edi], 0
jne 0x4056c9
cmp byte [0x439d68], 0x5c
jne 0x4056d4
push 0x409010
push edi
call sub.KERNEL32.dll_lstrcatA
push edi
call sub.KERNEL32.dll_lstrlenA
mov ebx, eax
lea eax, [ebp - 0x148]
push eax
push esi
add ebx, edi
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [ebp + 8], eax
je 0x4057af
lea eax, [ebp - 0x11c]
push 0x3f
push eax
lea esi, [ebp - 0x11c]
call fcn.0040583f
cmp byte [eax], 0
je 0x40571a
cmp byte [ebp - 0x18], 0
je 0x40571a
lea esi, [ebp - 0x18]
cmp byte [esi], 0x2e
jne 0x405730
mov al, byte [esi + 1]
test al, al
je 0x40578e
cmp al, 0x2e
jne 0x405730
cmp byte [esi + 2], 0
je 0x40578e
push esi
push ebx
call fcn.00405d21
test byte [ebp - 0x148], 0x10
je 0x405755
mov eax, dword [ebp + 0xc]
and eax, 3
cmp al, 3
jne 0x40578e
push dword [ebp + 0xc]
push edi
call fcn.00405646
jmp 0x40578e
push edi
call fcn.004059d9
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test eax, eax
jne 0x405786
test byte [ebp + 0xc], 4
je 0x40577e
push edi
push 0xfffffffffffffff1
call fcn.0040500d
push 0
push edi
call fcn.00405a6f
jmp 0x40578e
inc dword [0x446fe8]
jmp 0x40578e
push edi
push 0xfffffffffffffff2
call fcn.0040500d
lea eax, [ebp - 0x148]
push eax
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x4056f8
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_FindClose]
cmp dword [ebp - 4], 0
je 0x4057b9
and byte [ebx - 1], 0
xor esi, esi
pop ebx
cmp dword [ebp - 4], esi
je 0x40580e
cmp dword [ebp - 8], esi
jne 0x4057ce
inc dword [0x446fe8]
jmp 0x40580e
push edi
call fcn.0040601c
test eax, eax
je 0x40580e
push edi
call fcn.00405814
push edi
call fcn.004059d9
push edi
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryA]
test eax, eax
jne 0x405806
test byte [ebp + 0xc], 4
je 0x4057c6
push edi
push 0xfffffffffffffff1
call fcn.0040500d
push esi
push edi
call fcn.00405a6f
jmp 0x40580e
push edi
push 0xffffffffffffffe5
call fcn.0040500d
pop edi
pop esi
leave
ret 8
Function at 0x4058f5
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push esi
push edi
push dword [esp + 0xc]
mov esi, 0x43bd68
push esi
call fcn.00405d21
push esi
call fcn.004058a8
mov edi, eax
test edi, edi
jne 0x405916
xor eax, eax
jmp 0x405968
push edi
call fcn.00405f83
test byte [0x446f78], 0x80
je 0x40592f
mov al, byte [edi]
test al, al
je 0x405912
cmp al, 0x5c
je 0x405912
sub edi, esi
jmp 0x405947
call fcn.0040601c
test eax, eax
je 0x405941
test byte [eax], 0x10
je 0x405912
push esi
call fcn.0040585b
push esi
call sub.KERNEL32.dll_lstrlenA
cmp eax, edi
push esi
jg 0x405933
call fcn.00405814
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
xor ecx, ecx
cmp eax, 0xffffffff
setne cl
mov eax, ecx
pop edi
pop esi
ret 4

Function at 0x4059d9
Capabilities:
Check if file exists
Get file attributes
Set file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x4059f5
and al, 0xfe
push eax
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
ret 4

Function at 0x4059f8
Capabilities:
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
mov ecx, eax
push 0
inc ecx
neg ecx
sbb ecx, ecx
and ecx, eax
push ecx
push dword [esp + 0x14]
push 0
push 1
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
ret 0xc

Function at 0x405a27
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
push 0x64
pop edi
dec edi
mov dword [ebp + 8], 0x61736e
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x1a
xor edx, edx
pop ecx
div ecx
push esi
lea eax, [ebp + 8]
push 0
push eax
push dword [ebp + 0xc]
add byte [ebp + 0xa], dl
call dword [sym.imp.KERNEL32.dll_GetTempFileNameA]
test eax, eax
jne 0x405a6b
test edi, edi
jne 0x405a32
and byte [esi], 0
pop edi
pop esi
pop ebp
ret 8
mov eax, esi
jmp 0x405a65
Function at 0x405a6f
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebx
push ebp
push esi
push edi
push 2
call fcn.004060b1
test eax, eax
mov esi, dword [esp + 0x18]
je 0x405a93
push 5
push esi
push dword [esp + 0x1c]
call eax
test eax, eax
jne 0x405bcc
mov ebx, dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
mov dword [0x43e6f0], 0x4c554e
test esi, esi
mov edi, 0x400
mov ebp, 0x43e6f0
je 0x405ad7
push 1
push 0
push esi
call fcn.004059f8
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
push ebp
push esi
call ebx
test eax, eax
je 0x405bd2
cmp eax, edi
jg 0x405bd2
mov esi, 0x43e168
push edi
push esi
push dword [esp + 0x1c]
call ebx
test eax, eax
je 0x405bd2
cmp eax, edi
jg 0x405bd2
push esi
push ebp
push str._s_s_r_n
push 0x43dd68
call dword [sym.imp.USER32.dll_wsprintfA]
mov ebx, eax
mov eax, dword [0x446f70]
add esp, 0x10
push dword [eax + 0x128]
push esi
call fcn.00405d43
push 4
push 0xc0000000
push esi
call fcn.004059f8
mov ebp, eax
cmp ebp, 0xffffffff
mov dword [esp + 0x14], ebp
je 0x405bcc
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
lea eax, [edi + ebx + 0xa]
push eax
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
test esi, esi
je 0x405bc5
lea eax, [esp + 0x18]
push 0
push eax
push edi
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x405bc5
cmp edi, dword [esp + 0x18]
jne 0x405bc5
push str._Rename__r_n
push esi
call fcn.0040596d
test eax, eax
jne 0x405bd9
lea eax, [esi + edi]
push str._Rename__r_n
push eax
call fcn.00405d21
add edi, 0xa
mov eax, edi
push ebx
add eax, esi
push 0x43dd68
push eax
call fcn.004059b9
xor eax, eax
push eax
push eax
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
lea eax, [esp + 0x18]
push 0
add edi, ebx
push eax
push edi
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
inc dword [0x446ff0]
pop edi
pop esi
pop ebp
pop ebx
ret 8
add eax, 0xa
push 0x409404
push eax
call fcn.0040596d
test eax, eax
je 0x405b90
inc eax
lea ecx, [esi + edi]
cmp eax, ecx
mov ebp, eax
jae 0x405c00
mov dl, byte [ebp]
mov byte [ebx + ebp], dl
inc ebp
cmp ebp, ecx
jb 0x405bf5
mov ebp, dword [esp + 0x14]
sub eax, esi
jmp 0x405b92
Function at 0x405c08
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push ebx
lea eax, [ebp + 0x18]
push esi
push eax
mov eax, dword [ebp + 0x18]
xor ebx, ebx
neg eax
sbb eax, eax
mov esi, dword [ebp + 0x14]
and eax, 0x100
or eax, 0x20019
mov byte [esi], bl
push eax
push ebx
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x405c79
lea eax, [ebp + 0xc]
mov dword [ebp + 0xc], 0x2000
push eax
lea eax, [ebp + 0x14]
push esi
push eax
push ebx
push dword [ebp + 0x10]
push dword [ebp + 0x18]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x405c68
cmp dword [ebp + 0x14], 1
je 0x405c6a
cmp dword [ebp + 0x14], 2
je 0x405c6a
mov byte [esi], bl
push dword [ebp + 0x18]
mov byte [esi + 0x1fff], bl
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop esi
pop ebx
pop ebp
ret 0x14
Function at 0x406043
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x120
push esi
mov esi, 0x104
lea eax, [ebp - 0x120]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
cmp eax, esi
pop esi
jbe 0x406067
xor eax, eax
test eax, eax
je 0x406079
cmp byte [ebp + eax - 0x121], 0x5c
je 0x406079
xor ecx, ecx
jmp 0x40607c
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx + 0x409010]
lea eax, [ebp + eax - 0x120]
push ecx
push str._s_s.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0x10
lea eax, [ebp - 0x120]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExA]
leave
ret 4

Function at 0x406120
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x43eaf4], 0
push esi
jne 0x406157
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x406131
mov dword [ecx*4 + 0x43eaf0], eax
inc ecx
cmp ecx, 0x100
jl 0x40612c
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x406188
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x43eaf0]
xor eax, esi
inc ecx
dec edx
jne 0x40616a
pop edi
not eax
pop esi
ret 0xc

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43000c
nop
nop
nop
nop
nop
pop eax
nop
add eax, 0x403d6f
nop
sub eax, 0x403d15
nop
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
nop
jl 0x430030
nop
nop
nop
nop
nop
add eax, 0xc
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
nop
jne 0x43001e
nop
popal
nop
nop
nop
nop
jmp loc.00401219
Function at 0x44980c
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004493ff

Function at 0x4515bf
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00451049

Function at 0x451a40
Capabilities:
Print debug messages

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00451954