joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40aa00
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
mov edx, dword [0x41b348]
push ebx
mov ecx, edx
mov ebx, dword [0x41b128]
xor ecx, eax
and ecx, 0xff
shr edx, 8
mov ecx, dword [ebx + ecx*4]
xor ecx, edx
mov dword [0x41b348], ecx
and ecx, 0xff
add dword [0x41b34c], ecx
imul edx, dword [0x41b34c], 0x8088405
inc edx
mov dword [0x41b34c], edx
shr edx, 0x18
mov ecx, dword [0x41b350]
xor edx, ecx
mov ebx, dword [0x41b128]
and edx, 0xff
shr ecx, 8
mov edx, dword [ebx + edx*4]
xor edx, ecx
mov dword [0x41b350], edx
pop ebx
ret

Function at 0x40ac48
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
test esi, esi
jne 0x40ac5c
xor eax, eax
jmp 0x40ad54
call fcn.0040ac40
xor ebx, 0xffffffff
cmp edi, 8
jb 0x40ad31
xor edx, edx
sub edi, 8
mov dl, byte [esi]
inc esi
xor edx, ebx
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
xor edx, edx
mov dl, byte [esi]
mov ebx, ecx
xor edx, ebx
inc esi
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
cmp edi, 8
mov ebx, ecx
jae 0x40ac6d
test edi, edi
je 0x40ad4f
xor edx, edx
mov dl, byte [esi]
inc esi
xor edx, ebx
and edx, 0xff
shr ebx, 8
mov ecx, dword [eax + edx*4]
xor ecx, ebx
dec edi
mov ebx, ecx
jne 0x40ad35
mov eax, ebx
xor eax, 0xffffffff
pop edi
pop esi
pop ebx
ret
Function at 0x406624
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x406648
xor eax, eax
test eax, eax
je 0x40665b
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x40665b
xor ecx, ecx
jmp 0x40665e
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x406787
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x4698ec], 0
push esi
jne 0x4067be
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 0x406798
mov dword [ecx*4 + 0x4698e8], eax
inc ecx
cmp ecx, 0x100
jl 0x406793
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x4067ef
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 + 0x4698e8]
xor eax, esi
inc ecx
dec edx
jne 0x4067d1
pop edi
not eax
pop esi
ret 0xc

Function at 0x431006
Capabilities:
Encode data using xor

Disassembly:
mov eax, section..3ean
nop
nop
mov ebx, 0x40915c
nop
mov ecx, 0x6cb64eef
nop
nop
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x43104e
nop
xor dword [eax], ecx
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
cmp eax, ebx
nop
nop
nop
nop
jne 0x431024
nop
nop
nop
nop
mov eax, section..7LWLf
nop
mov ebx, 0x42f3f8
nop
mov ecx, 0x46c17b3e
nop
test eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
je 0x431084
xor dword [eax], ecx
nop
nop
nop
nop
nop
nop
add eax, 4
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
nop
jne 0x43106c
nop
nop
nop
nop
popal
nop
jmp 0x401219
Function at 0x10001193
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
push ebx
push esi
mov esi, str.dpmmBmbvusjWfmjGebfSfmjGfubfsDXfuvdfyFmmfiT
push edi
mov eax, esi
call fcn.1000117f
push esi
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryW]
xor ebx, ebx
push str.shell32.dll
mov byte [0x10003029], bl
mov byte [0x10003034], bl
mov byte [0x1000303d], bl
call esi
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push eax
call edi
push 0x10003035
push str.kernel32.dll
mov dword [ebp - 4], eax
call esi
push eax
call edi
push 0x1000303e
push str.kernel32.dll
mov dword [ebp - 8], eax
call esi
push eax
call edi
push 1
push ebx
push ebx
push 0x10002058
push ebx
push ebx
mov edi, eax
call dword [ebp - 4]
push ebx
push 0x80
push 3
push ebx
push 1
push 0x80000000
push str.desktop.ini
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x10003060], eax
cmp eax, 0xffffffff
je 0x100013f5
push 0x40
mov esi, 0x1000
push esi
push esi
push ebx
call edi
push ebx
push 0x10003064
push esi
push eax
push dword [0x10003060]
mov dword [0x1000305c], eax
call dword [ebp - 8]
mov eax, dword [0x1000305c]
mov cl, byte [eax]
push eax
xor bx, si
xor bx, si
btc esi, 0x8d
xor dx, 0xf73
xor dx, 0x7cc5
xor dx, 0xae7
xor dx, 0x7951
btc esi, 0x8d
ror si, 2
rol si, 2
pop eax
xor bx, 0x1fdd
xor bx, 0xfe35
xor bx, 0xa079
xor bx, 0x4191
push eax
xor bp, bx
xor bp, bx
ror bl, 0x3f
test di, bx
rol bl, 0x3f
xor dx, 0xf37d
xor dx, 0xef5d
xor dx, 0xbe3c
xor dx, 0xa21c
pop eax
rol di, 0x7e
ror di, 0x7e
push eax
xor dx, ax
xor dx, ax
test bp, cx
xor bx, bp
movzx ecx, cl
xor ecx, 0x4e
push eax
xor bx, si
xor bx, si
btc esi, 0x8d
xor dx, 0xf73
xor dx, 0x7cc5
xor dx, 0xae7
xor dx, 0x7951
btc esi, 0x8d
ror si, 2
rol si, 2
pop eax
xor bx, 0x1fdd
xor bx, 0xfe35
xor bx, 0xa079
xor bx, 0x4191
push eax
xor bp, bx
xor bp, bx
ror bl, 0x3f
test di, bx
rol bl, 0x3f
xor dx, 0xf37d
xor dx, 0xef5d
xor dx, 0xbe3c
xor dx, 0xa21c
pop eax
rol di, 0x7e
ror di, 0x7e
push eax
xor dx, ax
xor dx, ax
test bp, cx
xor bx, bp
xor esi, esi
cmp dword [0x10003064], esi
jbe 0x10001375
mov eax, dword [0x1000305c]
mov dl, byte [eax + esi]
xor dl, cl
add dl, 0x42
mov byte [eax + esi], dl
inc esi
cmp esi, dword [0x10003064]
jb 0x1000135c
push eax
xor bx, si
xor bx, si
btc esi, 0x8d
xor dx, 0xf73
xor dx, 0x7cc5
xor dx, 0xae7
xor dx, 0x7951
btc esi, 0x8d
ror si, 2
rol si, 2
pop eax
xor bx, 0x1fdd
xor bx, 0xfe35
xor bx, 0xa079
xor bx, 0x4191
push eax
xor bp, bx
xor bp, bx
ror bl, 0x3f
test di, bx
rol bl, 0x3f
xor dx, 0xf37d
xor dx, 0xef5d
xor dx, 0xbe3c
xor dx, 0xa21c
pop eax
rol di, 0x7e
ror di, 0x7e
push eax
xor dx, ax
xor dx, ax
test bp, cx
xor bx, bp
call dword [0x1000305c]
pop edi
pop esi
pop ebx
leave
ret 0x10
Function at 0x401040
Capabilities:
Create process on windows
Get comspec environment variable
Query environment variable
Self delete

Disassembly:
sub esp, 0x348
lea eax, [esp + 0x3c]
push esi
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
je 0x401174
lea ecx, [esp + 0x40]
push 0x104
lea edx, [esp + 0x44]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
test eax, eax
je 0x401174
lea eax, [esp + 0x248]
push 0x104
push eax
push 0x404028
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
je 0x401174
lea ecx, [esp + 0x144]
push 0x404020
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov esi, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea edx, [esp + 0x40]
lea eax, [esp + 0x144]
push edx
push eax
call esi
lea ecx, [esp + 0x144]
push 0x404018
push ecx
call esi
lea ecx, [esp + 4]
lea edx, [esp + 0x248]
lea eax, [esp + 0x144]
push ecx
mov dword [esp + 8], 0x3c
mov dword [esp + 0x10], 0
mov dword [esp + 0x14], 0x404010
mov dword [esp + 0x18], edx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], 0
mov dword [esp + 0x24], 0
mov dword [esp + 0xc], 0x40
call dword [sym.imp.SHELL32.dll_ShellExecuteExA]
test eax, eax
je 0x401174
mov edx, dword [esp + 0x3c]
mov esi, dword [sym.imp.KERNEL32.dll_SetPriorityClass]
push 0x40
push edx
call esi
push 0x100
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
push 0xf
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
lea eax, [esp + 0x40]
push 0
push eax
push 1
push 4
call dword [sym.imp.SHELL32.dll_SHChangeNotify]
mov eax, 1
pop esi
add esp, 0x348
ret
xor eax, eax
pop esi
add esp, 0x348
ret

Function at 0x401180
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x401195
xor eax, eax
ret 4
and al, 0x10
xor ecx, ecx
cmp al, 0x10
setne cl
mov eax, ecx
ret 4

Function at 0x4012b0
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
push ebx
mov ebx, dword [esp + 0x10]
push esi
push edi
push 0x404030
mov edi, ecx
push ebx
call dword [sym.imp.MSVCRT.dll_fopen]
mov esi, eax
add esp, 8
test esi, esi
jne 0x4012da
pop edi
pop esi
pop ebx
add esp, 8
ret 4
push ebx
mov ecx, edi
call fcn.00401290
mov edi, eax
push 0
lea eax, [edi - 8]
push eax
push esi
call dword [sym.imp.MSVCRT.dll_fseek]
push esi
push 8
lea ecx, [esp + 0x20]
push 1
push ecx
call dword [sym.imp.MSVCRT.dll_fread]
mov eax, dword [esp + 0x2c]
add esp, 0x1c
cmp eax, edi
push esi
je 0x401321
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
add esp, 8
ret 4
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
mov eax, 1
pop edi
pop esi
pop ebx
add esp, 8
ret 4
Function at 0x401b30
Capabilities:
Create process on windows
Delete file

Disassembly:
sub esp, 0x54
push esi
push edi
mov ecx, 0x11
xor eax, eax
lea edi, [esp + 0x18]
mov esi, dword [esp + 0x60]
rep stosd dword es:[edi], eax
lea eax, [esp + 8]
lea ecx, [esp + 0x18]
push eax
push ecx
push 0
push 0
push 0x20
push 0
push 0
push 0
push 0
push esi
mov dword [esp + 0x40], 0x44
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
je 0x401b8d
mov eax, dword [esp + 0x64]
test eax, eax
je 0x401b8d
mov edx, dword [esp + 8]
push 0xffffffffffffffff
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
pop edi
pop esi
add esp, 0x54
ret 8

Function at 0x401ba0
Capabilities:
Delete file

Disassembly:
push 0xffffffffffffffff
push 0x4023e0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x14]
push ebx
push ebp
push esi
mov esi, ecx
push edi
push eax
lea ecx, [esp + 0x14]
call fcn.004020d6
mov ecx, dword [esp + 0x10]
xor ebx, ebx
push ecx
mov ecx, esi
mov dword [esp + 0x20], ebx
call fcn.00401290
lea edx, [esp + 0x24]
push 4
push edx
lea ecx, [esp + 0x18]
mov edi, eax
call sub.MFC42.DLL_CString::Right
mov eax, dword [esp + 0x24]
mov ebp, dword [sym.imp.MSVCRT.dll__mbscmp]
push 0x40403c
push eax
mov byte [esp + 0x24], 1
call ebp
add esp, 8
test eax, eax
je 0x401c88
mov ecx, dword [esp + 0x24]
push 0x40410c
push ecx
call ebp
add esp, 8
test eax, eax
je 0x401c88
mov edx, dword [esp + 0x24]
push 0x404108
push edx
call ebp
add esp, 8
test eax, eax
je 0x401c7b
mov eax, dword [esp + 0x24]
push 0x404100
push eax
call ebp
add esp, 8
test eax, eax
je 0x401c7b
mov ecx, dword [esp + 0x24]
push 0x4040f8
push ecx
call ebp
add esp, 8
test eax, eax
je 0x401c7b
mov edx, dword [esp + 0x24]
push 0x4040f0
push edx
call ebp
add esp, 8
test eax, eax
je 0x401c7b
cmp edi, 0x1f40000
ja 0x401caf
mov eax, dword [esp + 0x10]
push ebx
push eax
jmp 0x401c97
mov ecx, dword [esp + 0x10]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
jmp 0x401caf
cmp edi, 0xfa0000
ja 0x401caf
mov edx, dword [esp + 0x10]
push 1
push edx
mov ecx, esi
call fcn.00401340
mov eax, 0xcccccccd
mul edi
shr edx, 0xf
push edx
call dword [sym.imp.KERNEL32.dll_Sleep]
lea ecx, [esp + 0x24]
mov byte [esp + 0x1c], bl
call sub.MFC42.DLL_CString::CString
lea ecx, [esp + 0x10]
mov dword [esp + 0x1c], 0xffffffff
call sub.MFC42.DLL_CString::CString
mov ecx, dword [esp + 0x14]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x10
ret 4
Function at 0x4030e4
Capabilities:
Generate random numbers using the delphi lcg

Disassembly:
push ebx
xor ebx, ebx
imul edx, dword [ebx + 0x412008], 0x8088405
inc edx
mov dword [ebx + 0x412008], edx
mul edx
mov eax, edx
pop ebx
ret

Function at 0x403714
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
movzx eax, word [0x41201c]
mov dword [ebp - 8], eax
lea eax, [ebp - 4]
push eax
push 1
push 0
push 0x4037ac
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExW
test eax, eax
jne 0x40378c
xor eax, eax
push ebp
push 0x403785
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 0xc], 4
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
push 0
push 0
push 0x4037e4
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegQueryValueExW
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40378c
mov eax, dword [ebp - 4]
push eax
call sub.advapi32.dll_RegCloseKey
ret
movzx eax, word [0x41201c]
and ax, 0xffc0
movzx edx, word [ebp - 8]
and dx, 0x3f
or ax, dx
mov word [0x41201c], ax
mov esp, ebp
pop ebp
ret

Function at 0x4044f0
Capabilities:
Write file on windows

Disassembly:
push ecx
cmp byte [0x41304c], 0
je 0x404551
cmp word [0x413328], 0xd7b2
jne 0x404519
cmp dword [0x413330], 0
jbe 0x404519
mov eax, 0x413324
call dword [0x413340]
push 0
lea eax, [esp + 4]
push eax
push 0x1d
push str.Runtime_error_____at_00000000
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
push 0
lea eax, [esp + 4]
push eax
push 2
push 0x40457c
push 0xfffffffffffffff5
call sub.kernel32.dll_GetStdHandle
push eax
call sub.kernel32.dll_WriteFile
pop edx
ret
cmp byte [0x412028], 0
jne 0x40456d
push 0
push str.Error
push str.Runtime_error_____at_00000000
push 0
call sub.user32.dll_MessageBoxA
pop edx
ret
Function at 0x40699c
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffdf8
mov ebx, eax
push 0x104
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetSystemDirectoryW
mov edx, ebx
mov eax, esp
call fcn.00406988
add esp, 0x208
pop ebx
ret

Function at 0x408eb4
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffe00
push ebx
push esi
mov esi, ecx
mov ebx, dword [ebp + 8]
push pe_nt_image_headers32
lea ecx, [ebp - 0x200]
push ecx
push edx
push eax
call sub.kernel32.dll_GetLocaleInfoW_1
test eax, eax
jle 0x408eed
mov ecx, eax
dec ecx
lea edx, [ebp - 0x200]
mov eax, ebx
call fcn.00404dd4
jmp 0x408ef6
mov eax, ebx
mov edx, esi
call fcn.00404c98
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x408f00
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov edi, ecx
mov esi, edx
mov ebx, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push ebx
call sub.kernel32.dll_GetLocaleInfoW_1
test eax, eax
jle 0x408f22
movzx eax, word [esp]
jmp 0x408f24
mov eax, edi
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x4096ac
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffff778
push ebx
push esi
xor ecx, ecx
mov dword [ebp - 4], ecx
xor ecx, ecx
push ebp
push 0x4097d1
push dword fs:[ecx]
mov dword fs:[ecx], esp
push 0x400
lea ecx, [ebp - 0x888]
call fcn.004094c0
mov esi, eax
mov eax, dword [0x412c2c]
cmp byte [eax], 0
je 0x409779
mov eax, dword [0x412b68]
call fcn.0040317c
call fcn.00402f6c
push 0
push 0
push 0
push 0
push esi
lea eax, [ebp - 0x888]
push eax
push 0
push 1
call sub.kernel32.dll_WideCharToMultiByte_1
mov ebx, eax
push ebx
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x409688]
call fcn.00405ad8
add esp, 4
push 0
push 0
push ebx
mov eax, dword [ebp - 4]
push eax
push esi
lea eax, [ebp - 0x888]
push eax
push 0
push 1
call sub.kernel32.dll_WideCharToMultiByte_1
push 0
lea eax, [ebp - 8]
push eax
push ebx
mov eax, dword [ebp - 4]
push eax
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
push 0
lea eax, [ebp - 8]
push eax
push 2
push 0x4097ec
push 0xfffffffffffffff4
call sub.kernel32.dll_GetStdHandle_1
push eax
call sub.kernel32.dll_WriteFile_1
jmp 0x4097b5
push 0x40
lea eax, [ebp - 0x88]
push eax
mov eax, dword [0x412b48]
mov eax, dword [eax + 4]
push eax
mov eax, dword [0x415b48]
call fcn.00405b90
push eax
call sub.user32.dll_LoadStringW_1
push 0x2010
lea eax, [ebp - 0x88]
push eax
lea eax, [ebp - 0x888]
push eax
push 0
call sub.user32.dll_MessageBoxW
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4097d8
lea eax, [ebp - 4]
mov edx, dword [0x409688]
call fcn.00405ae4
ret
Function at 0x40aa03
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffdf8
mov ebx, eax
mov eax, ebx
call fcn.00404914
mov ebp, eax
push 0
push 0
push ebp
push ebx
push 0
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar_1
mov edi, eax
cmp edi, 0x104
jbe 0x40aa26
mov eax, edi
add eax, eax
call fcn.00402e04
mov esi, eax
jmp 0x40aa28
mov esi, esp
push edi
push esi
push ebp
push ebx
push 0
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar_1
push edi
push esi
call sub.user32.dll_CharUpperBuffW
xor ebx, ebx
mov eax, edi
dec eax
test eax, eax
jl 0x40aa61
inc eax
xor edx, edx
mov ecx, ebx
shl ecx, 5
shr ebx, 0x1b
or ecx, ebx
mov ebx, ecx
movzx ecx, word [esi + edx*2]
xor ebx, ecx
inc edx
dec eax
jne 0x40aa4b
mov eax, esp
cmp esi, eax
je 0x40aa6e
mov eax, esi
call fcn.00402e20
mov eax, ebx
add esp, 0x208
pop ebp
pop edi
pop esi
pop ebx
ret
push esi
push ebx
mov esi, eax
xor eax, eax
push esi
rol eax, 5
mov bl, byte [esi]
test bl, 0x80
jne 0x40aaa8
cmp bl, 0
je 0x40aaa4
cmp bl, 0x41
jl 0x40aa9f
cmp bl, 0x5a
jg 0x40aa9f
or bl, 0x20
xor al, bl
inc esi
jmp 0x40aa83
pop ecx
pop ebx
pop esi
ret
pop eax
pop ebx
pop esi
jmp 0x40a9e8

Function at 0x40b698
Capabilities:
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0
push ebx
mov ebx, eax
xor eax, eax
push ebp
push 0x40b6de
push dword fs:[eax]
mov dword fs:[eax], esp
lea edx, [ebp - 4]
mov eax, ebx
call fcn.0040b62c
mov eax, dword [ebp - 4]
call fcn.00404d24
push eax
call sub.kernel32.dll_GetFileAttributesW
mov ebx, eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40b6e5
lea eax, [ebp - 4]
call fcn.00404c88
ret

Function at 0x40b8fc
Capabilities:
Accept command line arguments

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffdf4
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 4], ecx
mov edi, edx
mov esi, eax
xor eax, eax
push ebp
push 0x40b993
push dword fs:[eax]
mov dword fs:[eax], esp
test esi, esi
jne 0x40b947
push 0x104
lea eax, [ebp - 0x20c]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameW_1
mov ecx, eax
lea edx, [ebp - 0x20c]
mov eax, edi
call fcn.00404dd4
jmp 0x40b97d
call sub.kernel32.dll_GetCommandLineW_1
mov ebx, eax
cmp word [ebx], 0
jne 0x40b960
lea eax, [ebp - 4]
xor edx, edx
call fcn.00404cec
jmp 0x40b973
lea edx, [ebp - 4]
mov eax, ebx
call fcn.0040b7bc
mov ebx, eax
test esi, esi
je 0x40b973
dec esi
jmp 0x40b94e
mov eax, edi
mov edx, dword [ebp - 4]
call fcn.00404c98
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40b99a
lea eax, [ebp - 4]
call fcn.00404c88
ret

Function at 0x40b9a4
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffdf8
mov ebx, eax
push 0x104
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetWindowsDirectoryW
mov edx, ebx
mov eax, esp
call fcn.00408218
add esp, 0x208
pop ebx
ret

Function at 0x40b9d0
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffdf8
mov ebx, eax
push 0x104
lea eax, [esp + 4]
push eax
call sub.kernel32.dll_GetSystemDirectoryW
mov edx, ebx
mov eax, esp
call fcn.00408218
add esp, 0x208
pop ebx
ret
Function at 0x40bb34
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov edi, eax
xor eax, eax
push ebp
push 0x40bc6c
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
xor eax, eax
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 0
lea eax, [ebp - 0x10]
push eax
push 0
mov eax, dword [ebp - 8]
push eax
push edi
call sub.advapi32.dll_RegQueryValueExW_1
test eax, eax
jne 0x40bc56
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 0xc]
je 0x40bb91
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 8]
jne 0x40bc56
cmp dword [ebp - 0x14], 0
jne 0x40bba8
mov eax, dword [ebp - 0xc]
xor edx, edx
call fcn.00404c98
mov bl, 1
jmp 0x40bc56
cmp dword [ebp - 0x14], 0x70000000
jb 0x40bbb6
call fcn.00409818
mov esi, dword [ebp - 0x14]
inc esi
shr esi, 1
lea eax, [ebp - 4]
mov ecx, esi
xor edx, edx
call fcn.00404dd4
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 4]
call fcn.004054ac
push eax
lea eax, [ebp - 0x10]
push eax
push 0
mov eax, dword [ebp - 8]
push eax
push edi
call sub.advapi32.dll_RegQueryValueExW_1
cmp eax, 0xea
je 0x40bb5a
test eax, eax
jne 0x40bc56
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 0xc]
je 0x40bc04
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp + 8]
jne 0x40bc56
mov esi, dword [ebp - 0x14]
shr esi, 1
jmp 0x40bc0c
dec esi
test esi, esi
je 0x40bc1b
mov eax, dword [ebp - 4]
cmp word [eax + esi*2 - 2], 0
je 0x40bc0b
cmp dword [ebp - 0x10], 7
jne 0x40bc26
test esi, esi
je 0x40bc26
inc esi
lea eax, [ebp - 4]
mov edx, esi
call fcn.00404f00
cmp dword [ebp - 0x10], 7
jne 0x40bc49
test esi, esi
je 0x40bc49
lea eax, [ebp - 4]
call fcn.004054ac
mov word [eax + esi*2 - 2], 0
mov eax, dword [ebp - 0xc]
mov edx, dword [ebp - 4]
call fcn.00404c98
mov bl, 1
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x40bc73
lea eax, [ebp - 4]
call fcn.00404c88
ret

Function at 0x40c6b0
Capabilities:
Hash data with crc32

Disassembly:
push esi
xor esi, esi
mov ecx, 0x417d9c
mov eax, esi
mov edx, 8
test al, 1
je 0x40c6cc
shr eax, 1
xor eax, 0xedb88320
jmp 0x40c6ce
shr eax, 1
dec edx
jne 0x40c6bf
mov dword [ecx], eax
inc esi
add ecx, 4
cmp esi, 0x100
jne 0x40c6b8
pop esi
ret

Function at 0x40c6e4
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, ecx
mov edi, edx
mov ebx, eax
cmp dword [0x417d98], 0
jne 0x40c707
call fcn.0040c6b0
push 1
push 0x417d98
call sub.kernel32.dll_InterlockedExchange
mov eax, edi
test esi, esi
je 0x40c732
mov edx, ebx
and edx, 0xff
movzx ecx, byte [eax]
xor dx, cx
movzx edx, dx
mov edx, dword [edx*4 + 0x417d9c]
shr ebx, 8
xor edx, ebx
mov ebx, edx
dec esi
inc eax
test esi, esi
jne 0x40c70d
mov eax, ebx
pop edi
pop esi
pop ebx
ret