joyce8/EMBER2024-capa huggingface dataset:
Function at 0x468030
Capabilities:
Encrypt data using aes via x86 extensions

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov ecx, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0xc]
movups xmm0, xmmword [ecx]
lea edx, [esi - 1]
pxor xmm0, xmmword [edi]
movups xmmword [ecx], xmm0
cmp edx, 1
jbe 0x46807a
add edx, 0xfffffffe
lea eax, [edi + 0x10]
shr edx, 1
inc edx
nop dword [eax]
lea eax, [eax + 0x20]
aesenc xmm0, xmmword [eax - 0x20]
movups xmmword [ecx], xmm0
aesenc xmm0, xmmword [eax - 0x10]
movups xmmword [ecx], xmm0
sub edx, 1
jne 0x468060
add esi, esi
aesenc xmm0, xmmword [edi + esi*8 - 0x10]
movups xmmword [ecx], xmm0
aesenclast xmm0, xmmword [edi + esi*8]
pop edi
movups xmmword [ecx], xmm0
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4680a0
Capabilities:
Encrypt data using aes via x86 extensions

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, dword [ebp + 0x18]
sub esp, 8
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
movups xmm1, xmmword [eax]
mov eax, dword [ebp + 0x14]
movaps xmm0, xmm1
pxor xmm0, xmmword [ecx]
movups xmmword [ecx], xmm0
movaps xmm0, xmm1
pxor xmm0, xmmword [edx]
push esi
mov esi, dword [ebp + 0x10]
movups xmmword [edx], xmm0
movaps xmm0, xmm1
push edi
mov edi, dword [ebp + 0x1c]
pxor xmm0, xmmword [esi]
movups xmmword [esi], xmm0
pxor xmm1, xmmword [eax]
movups xmmword [eax], xmm1
cmp edi, 1
jbe 0x46813d
mov edi, dword [ebp + 0x18]
mov ecx, dword [ebp + 0x1c]
add edi, 0x10
dec ecx
mov dword [esp + 0xc], ecx
mov ecx, dword [ebp + 8]
nop dword [eax + eax]
sub dword [esp + 0xc], 1
lea edi, [edi + 0x10]
movups xmm1, xmmword [edi - 0x10]
movups xmm0, xmmword [ecx]
aesenc xmm0, xmm1
movups xmmword [ecx], xmm0
movups xmm0, xmmword [edx]
aesenc xmm0, xmm1
movups xmmword [edx], xmm0
movups xmm0, xmmword [esi]
aesenc xmm0, xmm1
movups xmmword [esi], xmm0
movups xmm0, xmmword [eax]
aesenc xmm0, xmm1
movups xmmword [eax], xmm0
jne 0x468100
mov edi, dword [ebp + 0x1c]
mov eax, dword [ebp + 0x18]
add edi, edi
movups xmm0, xmmword [ecx]
movups xmm1, xmmword [eax + edi*8]
mov eax, dword [ebp + 0x14]
aesenclast xmm0, xmm1
movups xmmword [ecx], xmm0
movups xmm0, xmmword [edx]
aesenclast xmm0, xmm1
movups xmmword [edx], xmm0
movups xmm0, xmmword [esi]
aesenclast xmm0, xmm1
movups xmmword [esi], xmm0
movups xmm0, xmmword [eax]
aesenclast xmm0, xmm1
pop edi
movups xmmword [eax], xmm0
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x46a626
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x46a665
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x46a665
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x46a665
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x46a665
cmp dword [ecx + 0x74], 0xe
jbe 0x46a665
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret
Function at 0x4887da
Capabilities:
Allocate thread local storage

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x4a3ef4
push 0x4a3eec
push str.FlsAlloc
push 0x1f
call fcn.00488645
mov esi, eax
add esp, 0x10
test esi, esi
je 0x48880e
push dword [ebp + 8]
mov ecx, esi
call dword [0x49e2d4]
call esi
jmp 0x488814
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
pop esi
pop ebp
ret 4

Function at 0x488858
Capabilities:
Get thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x4a3f04
push 0x4a3efc
push str.FlsGetValue
push 0x21
call fcn.00488645
mov esi, eax
add esp, 0x10
test esi, esi
je 0x48888f
push dword [ebp + 8]
mov ecx, esi
call dword [0x49e2d4]
call esi
pop esi
pop ebp
ret 4
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsGetValue]

Function at 0x488897
Capabilities:
Set thread local storage value

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push esi
push 0x4a3f0c
push 0x4a3f04
push str.FlsSetValue
push 0x22
call fcn.00488645
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4888d1
push dword [ebp + 0xc]
mov ecx, esi
push dword [ebp + 8]
call dword [0x49e2d4]
call esi
pop esi
pop ebp
ret 8
pop esi
pop ebp
jmp dword [sym.imp.KERNEL32.dll_TlsSetValue]
Function at 0x488d2d
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
sar ecx, 6
push esi
push edi
imul edi, eax, 0x38
mov eax, dword [ecx*4 + 0x4c8800]
mov dword [ebp - 0xc], ecx
mov ecx, dword [edi + eax + 0x18]
mov dword [ebp - 0x14], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x488d6d
cmp byte [ebx], 0xa
jne 0x488d6d
or byte [edi + eax + 0x28], 4
jmp 0x488d72
and byte [edi + eax + 0x28], 0xfb
add ecx, ebx
mov eax, ebx
mov dword [ebp - 0x10], ecx
mov esi, ebx
mov dword [ebp - 8], eax
cmp ebx, ecx
jae 0x488e71
mov dl, byte [eax]
cmp dl, 0x1a
je 0x488e54
inc eax
cmp dl, 0xd
je 0x488d9e
mov dword [ebp - 8], eax
mov byte [esi], dl
jmp 0x488dc4
cmp eax, ecx
jae 0x488dd2
mov cl, byte [eax]
xor eax, eax
cmp cl, 0xa
sete al
inc eax
add dword [ebp - 8], eax
cmp cl, 0xa
sete al
dec al
and al, 3
add al, 0xa
mov byte [esi], al
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 0x10]
xor edx, edx
inc edx
add esi, edx
cmp eax, ecx
jb 0x488d86
jmp 0x488e71
push 0
lea eax, [ebp - 0x10]
push eax
push 1
lea eax, [ebp - 1]
push eax
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x488e4f
cmp dword [ebp - 0x10], 0
je 0x488e4f
mov ecx, dword [ebp - 0xc]
mov eax, dword [ecx*4 + 0x4c8800]
test byte [eax + edi + 0x28], 0x48
je 0x488e29
mov dl, byte [ebp - 1]
lea eax, [esi + 1]
mov dword [ebp - 0x14], eax
cmp dl, 0xa
jne 0x488e14
mov byte [esi], dl
jmp 0x488e25
mov byte [esi], 0xd
mov eax, dword [ecx*4 + 0x4c8800]
mov byte [eax + edi + 0x2a], dl
mov eax, dword [ebp - 0x14]
mov esi, eax
jmp 0x488e71
cmp byte [ebp - 1], 0xa
jne 0x488e38
cmp esi, ebx
jne 0x488e38
mov byte [esi], 0xa
jmp 0x488e70
push 1
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [ebp + 8]
call fcn.00489730
add esp, 0x10
cmp byte [ebp - 1], 0xa
je 0x488e71
mov byte [esi], 0xd
jmp 0x488e70
mov ecx, dword [ebp - 0xc]
mov ecx, dword [ecx*4 + 0x4c8800]
mov al, byte [ecx + edi + 0x28]
test al, 0x40
jne 0x488e6e
or al, 2
mov byte [ecx + edi + 0x28], al
jmp 0x488e71
mov byte [esi], dl
inc esi
sub esi, ebx
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x488e7a
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
push esi
sar ecx, 6
push edi
imul edi, eax, 0x38
mov dword [ebp - 8], ecx
mov eax, dword [ecx*4 + 0x4c8800]
push 0xa
pop edx
mov dword [ebp - 0x18], edx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x1c], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x488ec0
cmp word [ebx], dx
jne 0x488ec0
or byte [eax + edi + 0x28], 4
jmp 0x488ec5
and byte [eax + edi + 0x28], 0xfb
lea edx, [ebx + ecx*2]
mov eax, ebx
mov dword [ebp - 0xc], edx
mov esi, ebx
mov dword [ebp - 4], eax
cmp ebx, edx
jae 0x489028
mov dword [ebp - 0x10], 0xd
movzx ecx, word [eax]
mov edx, ecx
mov dword [ebp - 0x14], edx
mov edx, dword [ebp - 0xc]
cmp ecx, 0x1a
je 0x489008
add eax, 2
cmp cx, word [ebp - 0x10]
je 0x488f06
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x488f3c
cmp eax, edx
jae 0x488f4a
movzx eax, word [eax]
xor ecx, ecx
cmp ax, word [ebp - 0x18]
mov edx, eax
push 0xa
sete cl
xor eax, eax
lea ecx, [ecx*2 + 2]
add dword [ebp - 4], ecx
pop ecx
cmp dx, cx
mov edx, dword [ebp - 0xc]
sete al
dec eax
and eax, 3
add eax, ecx
mov word [esi], ax
mov eax, dword [ebp - 4]
push 2
pop ecx
add esi, ecx
cmp eax, edx
jb 0x488ee1
jmp 0x489028
push 0
lea eax, [ebp - 0x18]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x489003
cmp dword [ebp - 0x18], 0
je 0x489003
mov edx, dword [ebp - 8]
push 0xa
mov eax, dword [edx*4 + 0x4c8800]
test byte [eax + edi + 0x28], 0x48
je 0x488fd9
lea eax, [esi + 2]
mov dword [ebp - 0x1c], eax
mov ax, word [ebp - 4]
pop ecx
mov word [ebp - 2], ax
cmp ax, cx
jne 0x488f9d
mov word [esi], cx
jmp 0x488fd4
push 0xd
pop ecx
mov word [esi], cx
movzx ecx, ax
mov eax, dword [edx*4 + 0x4c8800]
mov dx, word [ebp - 2]
shr ecx, 8
push 0xa
mov byte [eax + edi + 0x2a], dl
mov edx, dword [ebp - 8]
mov eax, dword [edx*4 + 0x4c8800]
mov byte [eax + edi + 0x2b], cl
mov eax, dword [edx*4 + 0x4c8800]
pop ecx
mov byte [eax + edi + 0x2c], cl
mov esi, dword [ebp - 0x1c]
jmp 0x489028
pop eax
cmp word [ebp - 4], ax
jne 0x488fe9
cmp esi, ebx
jne 0x488fe9
mov word [esi], ax
jmp 0x489025
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.00489730
add esp, 0x10
push 0xa
pop eax
cmp word [ebp - 4], ax
je 0x489028
push 0xd
pop eax
jmp 0x488fe4
mov edx, dword [ebp - 8]
mov edx, dword [edx*4 + 0x4c8800]
mov al, byte [edx + edi + 0x28]
test al, 0x40
jne 0x489022
or al, 2
mov byte [edx + edi + 0x28], al
jmp 0x489028
mov word [esi], cx
add esi, 2
sub esi, ebx
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x48f004
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x4c4014]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x25c], ecx
cmp edx, edi
je 0x48f04f
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.0048f19f
test al, al
jne 0x48f049
sub edx, 2
cmp edx, edi
jne 0x48f02f
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x48f071
lea eax, [edi + 2]
cmp edx, eax
je 0x48f071
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.0048ef50
add esp, 0x10
jmp 0x48f16b
push esi
lea ecx, [ebp - 0x255]
call fcn.0048f19f
sub edx, edi
movzx eax, al
sar edx, 1
inc edx
neg eax
sbb eax, eax
xor ebx, ebx
push ebx
push ebx
and eax, edx
push ebx
mov dword [ebp - 0x260], eax
lea eax, [ebp - 0x254]
push eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_FindFirstFileExW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x48f0b4
push dword [ebp - 0x25c]
jmp 0x48f061
mov ebx, dword [ebp - 0x25c]
push 0x2e
mov eax, dword [ebx + 4]
sub eax, dword [ebx]
sar eax, 2
mov dword [ebp - 0x25c], eax
pop eax
cmp word [ebp - 0x228], ax
jne 0x48f0f1
cmp word [ebp - 0x226], 0
je 0x48f112
cmp word [ebp - 0x226], ax
jne 0x48f0f1
cmp word [ebp - 0x224], 0
je 0x48f112
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.0048ef50
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x48f15e
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x48f0cb
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x48f146
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x48f16b
push 0x48ed80
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.00494830
add esp, 0x10
jmp 0x48f13b
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x264]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004699ca
leave
ret

Function at 0x48fa77
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0x48fa88
pop esi
ret
push ebx
push edi
push esi
call fcn.0048fa40
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.00485832
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x48fab0
push ebx
push esi
push edi
call fcn.0046b620
add esp, 0xc
push 0
call fcn.004857f8
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret

Function at 0x48fe80
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0048fac5
Function at 0x49231f
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push esi
push edi
call fcn.00486ab9
mov esi, dword [ebp + 8]
mov edi, eax
push 2
lea eax, [ebp - 4]
mov ecx, esi
push eax
and ecx, 0x3ff
push 0x20000001
or ecx, 0x400
push ecx
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x49238e
cmp esi, dword [ebp - 4]
je 0x492389
cmp dword [ebp + 0xc], 0
je 0x492389
mov esi, dword [edi + 0x50]
lea ecx, [esi + 2]
mov ax, word [esi]
add esi, 2
test ax, ax
jne 0x492366
push dword [edi + 0x50]
sub esi, ecx
sar esi, 1
call fcn.00491e5c
pop ecx
xor ecx, ecx
cmp eax, esi
setne cl
mov eax, ecx
jmp 0x492390
xor eax, eax
inc eax
jmp 0x492390
xor eax, eax
pop edi
pop esi
leave
ret
Function at 0x4923f5
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x4c4014]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 0x10]
push esi
mov esi, dword [ebp + 8]
push edi
mov dword [ebp - 0x18], eax
call fcn.00486ab9
add eax, 0x50
lea edi, [ebp - 0x10]
mov dword [ebp - 0x14], eax
xor eax, eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
call fcn.00486ab9
lea ecx, [ebp - 0x10]
xor edx, edx
mov dword [eax + 0x34c], ecx
lea ecx, [esi + 0x80]
mov eax, dword [ebp - 0x14]
mov dword [eax], esi
lea edi, [eax + 4]
mov dword [edi], ecx
test ecx, ecx
je 0x49246c
cmp word [ecx], dx
je 0x49246c
mov eax, dword [0x4a47cc]
push edi
dec eax
push eax
push 0x4a46b8
call fcn.00492394
mov eax, dword [ebp - 0x14]
add esp, 0xc
xor edx, edx
mov dword [ebp - 0x10], edx
mov eax, dword [eax]
test eax, eax
je 0x4924df
cmp word [eax], dx
je 0x4924df
mov eax, dword [edi]
test eax, eax
je 0x492490
cmp word [eax], dx
je 0x492490
lea eax, [ebp - 0x10]
push eax
call fcn.00491d62
jmp 0x492499
lea eax, [ebp - 0x10]
push eax
call fcn.00491dfd
cmp dword [ebp - 0x10], 0
pop ecx
jne 0x492509
mov eax, dword [0x4a46b4]
push dword [ebp - 0x14]
dec eax
push eax
push 0x4a43a8
call fcn.00492394
add esp, 0xc
test al, al
je 0x492509
mov eax, dword [edi]
xor edi, edi
test eax, eax
je 0x4924d4
cmp word [eax], di
je 0x4924d4
lea eax, [ebp - 0x10]
push eax
call fcn.00491d62
pop ecx
jmp 0x49250b
lea eax, [ebp - 0x10]
push eax
call fcn.00491dfd
jmp 0x4924d1
mov eax, dword [edi]
test eax, eax
je 0x4924f6
cmp word [eax], dx
je 0x4924f6
lea eax, [ebp - 0x10]
push eax
call fcn.00491d17
pop ecx
jmp 0x492509
mov dword [ebp - 0x10], 0x104
call dword [sym.imp.KERNEL32.dll_GetUserDefaultLCID]
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], eax
xor edi, edi
cmp dword [ebp - 0x10], 0
je 0x4925d4
lea eax, [ebp - 0x10]
push eax
lea eax, [esi + 0x100]
neg esi
sbb esi, esi
and esi, eax
push esi
call fcn.00492219
mov esi, eax
pop ecx
pop ecx
test esi, esi
je 0x4925d4
movzx ecx, si
push ecx
call dword [sym.imp.KERNEL32.dll_IsValidCodePage]
test eax, eax
je 0x4925d4
push 1
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_IsValidLocale]
test eax, eax
je 0x4925d4
mov eax, dword [ebp - 0x18]
test eax, eax
je 0x492561
mov dword [eax], esi
mov eax, dword [ebp - 0x14]
push edi
push 0x55
add eax, 0x250
push eax
push dword [ebp - 0xc]
call fcn.00488ab2
test ebx, ebx
je 0x4925cf
push edi
push 0x55
lea eax, [ebx + 0x120]
push eax
push dword [ebp - 0xc]
call fcn.00488ab2
push 0x40
push ebx
push 0x1001
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x4925d4
push 0x40
lea eax, [ebx + 0x80]
push eax
push 0x1002
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x4925d4
push 0xa
push 0x10
lea ecx, [ebx + 0x100]
push ecx
push esi
call fcn.00481994
add esp, 0x10
xor eax, eax
inc eax
jmp 0x4925d6
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004699ca
leave
ret
Function at 0x495225
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
push dword [ebp + 0xc]
push ebx
call fcn.004951a1
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x495394
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x495394
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x495349
jg 0x495281
test eax, eax
je 0x49533f
push 1
push 0x1000
call fcn.0048833d
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x4952a4
push 0xc
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x495336
push 0x8000
push ebx
call fcn.004838e5
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x4952cd
jg 0x4952c8
cmp ecx, 0x1000
jb 0x4952cd
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.004879a5
add esp, 0x10
cmp eax, 0xffffffff
je 0x495312
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0x4952c8
jl 0x4952f9
test ecx, ecx
jne 0x4952ba
push dword [ebp - 0xc]
push ebx
call fcn.004838e5
push esi
call fcn.004857f8
add esp, 0xc
xor ebx, ebx
jmp 0x4953a2
cmp byte [edi + 0x24], 0
je 0x495329
cmp dword [edi + 0x20], 5
jne 0x495329
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x495334
mov ebx, dword [edi + 0x18]
jmp 0x495336
xor ebx, ebx
push esi
call fcn.004857f8
pop ecx
jmp 0x4953a2
test ecx, ecx
jg 0x49530b
jl 0x495349
test eax, eax
jae 0x49530b
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.00489730
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x495369
cmp byte [edi + 0x1c], 0
je 0x49530b
jmp 0x49539a
push ebx
call fcn.004902a1
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x49530b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [edi + 0x24], 1
mov dword [edi + 0x20], eax
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x4953a2
cmp byte [edi + 0x1c], 0
je 0x49539f
mov ebx, dword [edi + 0x18]
jmp 0x4953a2
push 0x16
pop ebx
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.00489730
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret

Function at 0x495990
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4959bd
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4959bd
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x401000
Capabilities:
Encode data using add xor sub operations
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push esi
push ecx
push edx
mov esi, dword [ebp + 0xc]
xor edx, edx
or eax, 0xffffffff
mov ecx, dword [ebp + 8]
lea esp, [esp]
lea esp, [esp]
nop
mov dl, byte [esi]
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x401040]
add esi, 1
sub ecx, 1
jne 0x401020
not eax
pop edx
pop ecx
pop esi
leave
ret 8

Function at 0x40147b
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffffc
pushal
mov dword [ebp - 4], 0
push 0xa
push dword [ebp + 0xc]
push dword [ebp + 8]
call sub.kernel32.dll_FindResourceA
or eax, eax
jne 0x40149c
jmp 0x4014be
push eax
push eax
push dword [ebp + 8]
call sub.kernel32.dll_SizeofResource
mov dword [0x4042c0], eax
pop eax
push eax
push dword [ebp + 8]
call sub.kernel32.dll_LoadResource
or eax, eax
jne 0x4014bb
jmp 0x4014be
mov dword [ebp - 4], eax
popal
mov eax, dword [ebp - 4]
leave
ret 8

Function at 0x401525
Capabilities:
Set environment variable

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffbfc
mov byte [ebp - 0x401], 0
pushal
mov esi, dword [ebp + 0xc]
lea ebx, [ebp - 0x400]
push esi
push ebx
call sub.kernel32.dll_lstrcpyA
xor ecx, ecx
jmp 0x40154b
inc ecx
cmp byte [ecx + ebx], 0x5c
jne 0x40154a
mov byte [ecx + ebx], 0
lea esi, [ecx + esi + 1]
push ebx
call fcn.00401637
or eax, eax
je 0x4015b2
mov byte [ebx], 0
test dword [ebp + 0x14], 8
je 0x401576
mov edx, 1
jmp 0x401578
xor edx, edx
push edx
push dword [ebp + 0x10]
push esi
push eax
push ebx
call fcn.00402ad0
push section..data
push ebx
call fcn.004015e7
test dword [ebp + 0x14], 1
je 0x40159e
push ebx
call fcn.004015be
cmp byte [ebx], 0
je 0x4015b2
push ebx
push dword [ebp + 8]
call sub.kernel32.dll_SetEnvironmentVariableA
mov byte [ebp - 0x401], al
popal
movzx eax, byte [ebp - 0x401]
leave
ret 0x10

Function at 0x40175a
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffffc
pushal
lea eax, [ebp - 4]
push eax
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call sub.kernel32.dll_CreateThread
push eax
call sub.kernel32.dll_CloseHandle
popal
leave
ret 8
Function at 0x401b61
Capabilities:
Create process on windows
Delete file
Get common file path

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffbf8
push esi
push edi
push ebx
lea eax, [ebp - 0x400]
push eax
push 0x400
call sub.kernel32.dll_GetTempPathA
push str._regpatch.reg
lea eax, [ebp - 0x400]
push eax
call sub.kernel32.dll_lstrcatA
mov esi, dword [ebp + 8]
test dword [esi + 5], 1
je 0x401bdb
mov eax, dword [esi + 1]
add eax, 0x100000
mov dword [ebp - 0x408], eax
push 4
push 0x1000
push eax
push 0
call sub.kernel32.dll_VirtualAlloc
mov dword [ebp - 0x404], eax
lea eax, [esi + 9]
push dword [ebp - 0x408]
push dword [ebp - 0x404]
push eax
call fcn.00401c6d
mov ecx, dword [ebp - 0x404]
jmp 0x401be1
mov eax, dword [esi + 1]
lea ecx, [esi + 9]
push eax
push ecx
lea eax, [ebp - 0x400]
push eax
call fcn.004029a4
test eax, eax
je 0x401c31
mov edi, 0x404ad0
push str._s__
push edi
call sub.kernel32.dll_lstrcpyA
lea eax, [ebp - 0x400]
push eax
push edi
call sub.kernel32.dll_lstrcatA
push 0x4040e1
push edi
call sub.kernel32.dll_lstrcatA
push 5
push 0
push edi
push str.regedit.exe
push str.open
push 0
call sub.shell32.dll_ShellExecuteA
push 0x1f4
call sub.kernel32.dll_Sleep
test dword [esi + 5], 1
je 0x401c5a
push 0x4000
push dword [ebp - 0x408]
push dword [ebp - 0x404]
call sub.kernel32.dll_VirtualFree
lea eax, [ebp - 0x400]
push eax
call sub.kernel32.dll_DeleteFileA
pop ebx
pop edi
pop esi
leave
ret 4

Function at 0x401c6d
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push esi
push edi
mov eax, dword [ebp + 0x10]
add eax, 0x100000
mov dword [ebp - 8], eax
push 4
push 0x1000
push eax
push 0
call sub.kernel32.dll_VirtualAlloc
mov dword [ebp - 4], eax
mov esi, dword [ebp + 8]
mov edi, dword [ebp + 0xc]
push dword [ebp - 8]
push dword [ebp - 4]
push esi
call sub.kernel32.dll_ExpandEnvironmentStringsA
mov esi, dword [ebp - 4]
or eax, eax
je 0x401cf9
push dword [ebp + 8]
push esi
call sub.kernel32.dll_lstrcmpA
or eax, eax
je 0x401cee
mov bl, 0
jmp 0x401ce4
lodsb al, byte [esi]
cmp word [esi], 0x5b0a
jne 0x401cc6
mov bl, 1
cmp al, 0x5c
jne 0x401cda
or bl, bl
jne 0x401cda
cmp byte [esi], 0x5c
je 0x401cda
cmp byte [esi - 2], 0x5c
je 0x401cda
stosb byte es:[edi], al
stosb byte es:[edi], al
cmp word [esi], 0xd5d
jne 0x401ce4
mov bl, 0
cmp byte [esi], 0
jne 0x401cbc
mov byte [edi], 0
jmp 0x401cf9
push dword [ebp + 8]
push dword [ebp + 0xc]
call sub.kernel32.dll_lstrcpyA
push 0x4000
push dword [ebp - 8]
push dword [ebp - 4]
call sub.kernel32.dll_VirtualFree
push dword [ebp + 0xc]
call sub.kernel32.dll_lstrlenA
pop edi
pop esi
leave
ret 0xc
Function at 0x40217a
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff4
push ecx
push edx
push esi
push edi
push dword [ebp + 8]
call fcn.00402970
cmp eax, 0xffffffff
je 0x4021fc
mov dword [ebp - 4], eax
push 0
push 0
push 3
push 0
push 0
push 0x80000000
push dword [ebp + 8]
call sub.kernel32.dll_CreateFileA
cmp eax, 0xffffffff
je 0x4021f8
mov dword [ebp - 0xc], eax
push 4
push 0x1000
push dword [ebp - 4]
push 0
call sub.kernel32.dll_VirtualAlloc
mov esi, eax
push 0
lea eax, [ebp - 8]
push eax
push dword [ebp - 4]
push esi
push dword [ebp - 0xc]
call sub.kernel32.dll_ReadFile
add esi, dword [esi + 0x3c]
mov eax, dword [esi + 0x50]
push eax
push dword [ebp - 0xc]
call sub.kernel32.dll_CloseHandle
push 0x4000
push dword [ebp - 4]
push esi
call sub.kernel32.dll_VirtualFree
pop eax
jmp 0x4021fe
xor eax, eax
jmp 0x4021fe
xor eax, eax
pop edi
pop esi
pop edx
pop ecx
leave
ret 4