joyce8/EMBER2024-capa huggingface dataset:
Function at 0x420f72
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50d244
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov edi, ecx
lea esi, [edi + 0x258]
push dword [esi + 8]
mov eax, dword [esi]
xor ebx, ebx
push ebx
mov ecx, esi
call dword [eax + 4]
lea eax, [esp + 0xc]
add edi, 0x1c8
push eax
call fcn.0040d289
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.00420eee
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.00420eee
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.00420eaa
push 0x10
push esi
call fcn.00420eaa
push 9
push esi
call fcn.00420eaa
push 6
push esi
call fcn.00420eaa
push 0x12
push esi
call fcn.00420eaa
push 0x14
push esi
call fcn.00420eaa
push 0x13
push esi
call fcn.00420eaa
push 0x15
push esi
call fcn.00420eaa
add esp, 0x40
push 0xa
push esi
call fcn.00420eaa
push 0x16
push esi
call fcn.00420eaa
add esp, 0x10
mov eax, esi
call fcn.0040d520
push ebx
push 0x61
call fcn.004198e5
push ebx
push 0x62
call fcn.004198e5
push ebx
push 0x63
call fcn.004198e5
push 0x14
mov eax, esi
call fcn.00420f24
pop ecx
push 6
mov eax, esi
call fcn.00420f24
pop ecx
push 9
mov eax, esi
call fcn.00420f24
pop ecx
push 0x11
mov eax, esi
call fcn.00420f24
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.00414f37
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x424ade
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50e2a7
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x38
mov eax, dword [0x55ba6c]
push ebx
push esi
push edi
mov ecx, 0x55ba6c
call dword [eax + 0xc]
add eax, 0x10
mov dword [esp + 0x10], eax
mov edi, dword [ebp + 8]
push dword [ebp + 0xc]
and dword [esp + 0x50], 0
lea ebx, [edi + 8]
push ebx
mov dword [esp + 0x2c], ebx
call fcn.00405d27
mov esi, ebx
call fcn.0042590d
push dword [ebx]
call fcn.0042599b
mov eax, dword [edi + 0x20]
mov eax, dword [eax]
add edi, 0x1c
pop ecx
mov dword [esp + 0x18], edi
mov dword [esp + 0x30], edi
mov dword [esp + 0x34], eax
cmp dword [esp + 0x30], 0
mov esi, dword [edi + 4]
je 0x424b5e
cmp dword [esp + 0x30], edi
je 0x424b63
call fcn.004edd0e
cmp dword [esp + 0x34], esi
je 0x424c5a
lea esi, [esp + 0x30]
call fcn.0042600e
mov dword [esp + 0x14], eax
call fcn.0042600e
mov esi, eax
push 0x53b748
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.00405434
test eax, eax
je 0x424bd9
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.00406224
pop ecx
pop ecx
lea edi, [esp + 0x10]
mov byte [esp + 0x4c], 1
call fcn.00404ec2
mov byte [esp + 0x4c], 0
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
call fcn.00405892
push dword [esp + 0x10]
call fcn.0042599b
mov edi, dword [esp + 0x1c]
pop ecx
mov eax, dword [esi + 4]
mov eax, dword [eax]
mov dword [esp + 0x28], esi
mov dword [esp + 0x2c], eax
cmp dword [esp + 0x28], 0
mov eax, dword [esi + 4]
mov dword [esp + 0x3c], eax
je 0x424bfa
cmp dword [esp + 0x28], esi
je 0x424bff
call fcn.004edd0e
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x424c4c
cmp dword [esp + 0x28], 0
jne 0x424c15
call fcn.004edd0e
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x424c27
call fcn.004edd0e
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.004253dc
lea esi, [esp + 0x28]
call fcn.00451d56
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x424be6
lea esi, [esp + 0x30]
call fcn.004264d9
jmp 0x424b4e
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.00405892
mov ecx, dword [esp + 0x44]
pop edi
pop esi
xor eax, eax
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x424fdc
Capabilities:
Copy file

Disassembly:
mov eax, 0x50e28d
call fcn.0050b978
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x425132
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea eax, [ebx + 0xc]
push eax
lea eax, [ebp - 0x18]
lea ecx, [ebx + 8]
push eax
call fcn.00406224
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.00425a3b
test eax, eax
je 0x425127
mov eax, dword [0x55ba6c]
mov esi, 0x55ba6c
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
mov byte [ebp - 4], 1
mov eax, dword [0x55ba6c]
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x14], eax
lea edi, [ebp - 0x1c]
mov byte [ebp - 4], 2
call fcn.00425adf
lea edi, [ebp - 0x14]
mov byte [ebp - 4], 3
call fcn.00404ec2
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405892
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00425b77
pop ecx
pop ecx
lea edi, [ebp - 0x10]
mov byte [ebp - 4], 4
call fcn.00404ec2
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405892
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.00406224
mov eax, dword [eax]
pop ecx
pop ecx
push 0
push eax
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_CopyFileW]
mov esi, eax
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405892
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x425114
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.004058aa
add eax, 0x10
mov dword [esi], eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 5
call fcn.00406224
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00425bd0
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.00405892
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.00405892
lea eax, [edi - 0x10]
call fcn.00405892
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.00405892
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x42564c
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
push edi
xor edi, edi
push edi
push 0x80
push 2
push edi
push 1
push 0xc0000000
push dword [ebp + 0xc]
mov dword [ebp - 4], edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x10], ebx
jne 0x425688
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425784
mov esi, dword [ebp + 8]
push edi
push dword [esi + 4]
push edi
push 4
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
cmp ebx, edi
mov dword [ebp - 8], eax
je 0x4256b6
push dword [esi + 4]
push edi
push edi
push 2
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, edi
mov dword [ebp - 0xc], eax
jne 0x4256c1
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425750
lea ebx, [esi + 8]
mov dword [ebp - 4], eax
mov eax, dword [ebx + 4]
mov eax, dword [eax]
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x18], edi
mov eax, dword [ebx + 4]
mov dword [ebp - 0x1c], eax
je 0x4256e2
cmp dword [ebp - 0x18], ebx
je 0x4256e7
call fcn.004edd0e
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x425740
lea esi, [ebp - 0x18]
call fcn.00451d36
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x425704
xor eax, eax
jmp 0x425709
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ddd
push eax
push dword [ebp - 4]
call fcn.004f0240
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x425726
xor esi, esi
jmp 0x42572b
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.0042602e
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x4256d2
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov dword [ebp - 4], 1
cmp dword [ebp - 8], edi
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x425760
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x425784
push dword [ebp + 0xc]
mov eax, esi
call fcn.0042578e
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x425784
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret 8
Function at 0x42578e
Capabilities:
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
push edi
xor edi, edi
push edi
push 0x80
push 3
push edi
push 1
push SysReAllocString
push dword [ebp + 8]
mov esi, eax
mov dword [ebp - 0x10], edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [ebp - 0x14], ebx
jne 0x4257cc
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4258b1
push edi
push dword [esi + 4]
push edi
push 2
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
cmp ebx, edi
mov dword [ebp - 0xc], eax
jne 0x4257ed
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42589c
push dword [esi + 4]
push edi
push edi
push 4
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, edi
mov dword [ebp - 8], eax
jne 0x42580d
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42588e
lea ebx, [esi + 8]
mov dword [ebp + 8], eax
mov eax, dword [ebx + 4]
mov eax, dword [eax]
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x1c], edi
mov esi, dword [ebx + 4]
je 0x42582b
cmp dword [ebp - 0x1c], ebx
je 0x425830
call fcn.004edd0e
cmp dword [ebp - 0x18], esi
je 0x425887
lea esi, [ebp - 0x1c]
call fcn.00451d36
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x42584a
xor eax, eax
jmp 0x42584f
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ddd
push eax
push dword [ebp + 8]
call fcn.004ebb84
add esp, 0xc
test eax, eax
jne 0x42588e
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x425870
xor esi, esi
jmp 0x425875
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.0042602e
xor edi, edi
jmp 0x42581e
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x42589c
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp dword [ebp - 0xc], edi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x4258ac
push dword [ebp - 0xc]
call esi
push dword [ebp - 0x14]
call esi
mov eax, dword [ebp - 0x10]
pop edi
pop esi
pop ebx
leave
ret 4

Function at 0x42594a
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
and dword [ebp - 0xc], 0
and dword [ebp - 4], 0
push ebx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_WriteFile]
mov ebx, ecx
push 0
lea ecx, [ebp - 4]
push ecx
mov dword [ebp - 8], eax
push eax
jmp 0x425981
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x42598d
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x42596e
jmp 0x425994
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x42599b
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x50e03c
call fcn.0050b978
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405b0c
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4259e6
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.00405892
mov ecx, dword [ebp - 0xc]
pop edi
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret
mov esi, dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4259c7
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x4259c7
lea ecx, [ebp - 0x10]
call fcn.004258bb
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x425a1d
xor esi, esi
jmp 0x4259ca
push eax
call fcn.0042599b
test eax, eax
pop ecx
je 0x425a19
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4259c7
call edi
cmp eax, ebx
jne 0x425a19
jmp 0x4259c7

Function at 0x425adf
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x55ccc4], 1
jne 0x425b1c
mov eax, dword [0x55ba6c]
or dword [0x55ccc4], 1
mov ecx, 0x55ba6c
call dword [eax + 0xc]
add eax, 0x10
push 0x5109bb
mov dword [0x55ccc0], eax
call fcn.004efa49
pop ecx
mov eax, dword [0x55ccc0]
cmp dword [eax - 0xc], 0
jne 0x425b66
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x425b61
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x55ccc0
push esi
call fcn.00405d27
call fcn.0042590d
push str.drivers_
push esi
call fcn.00406033
pop esi
mov eax, dword [0x55ccc0]
add eax, 0xfffffff0
call fcn.004058aa
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x427557
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x42756a
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret
Function at 0x4278ac
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
and dword [ebp + 8], 0
and dword [ebp - 4], 0
cmp dword [ebp + 0xc], 0
jne 0x4278c9
mov eax, dword [ebp - 4]
jmp 0x4279a3
mov esi, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
mov eax, dword [ebp + 8]
shr ecx, 3
xor eax, 0xffffffff
test ecx, ecx
je 0x42797e
push ebp
mov ebp, ecx
xor edx, edx
xor ecx, ecx
nop
mov ebx, dword [esi]
add esi, 4
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53ad78]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53ad78]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53ad78]
mov cl, bh
xor eax, edi
mov ebx, dword [esi]
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53ad78]
add esi, 4
xor eax, edi
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53ad78]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53ad78]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53ad78]
mov cl, bh
xor eax, edi
xor cl, al
shr eax, 8
xor eax, dword [ecx*4 + 0x53ad78]
dec ebp
jne 0x4278e8
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x42799a
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x53ad78]
dec ecx
jne 0x427988
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x428168
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
xor ebx, ebx
push edi
xor eax, eax
cmp ecx, ebx
lea edi, [ebp - 0x13]
mov byte [ebp - 0x14], bl
mov dword [ebp - 4], ebx
stosd dword es:[edi], eax
mov dword [ebp - 0xc], ebx
je 0x428244
cmp word [ecx], bx
je 0x428244
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 8], edi
je 0x428244
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, ebx
jbe 0x42823a
push ebx
lea eax, [ebp - 0xc]
push eax
push 4
lea eax, [ebp - 0x14]
push eax
push edi
mov edi, dword [sym.imp.KERNEL32.dll_ReadFile]
call edi
test eax, eax
je 0x42823a
lea ecx, [ebp - 0x14]
call fcn.00428280
test eax, eax
je 0x42823a
add esi, 0xfffffffc
lea eax, [esi + 1]
push eax
push 0x40
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
cmp eax, ebx
mov dword [ebp - 4], eax
je 0x42823a
mov eax, dword [ebp + 8]
push ebx
push ebx
push 4
push dword [ebp - 8]
mov dword [eax], esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push ebx
lea eax, [ebp - 0xc]
push eax
push esi
push dword [ebp - 4]
push dword [ebp - 8]
call edi
test eax, eax
je 0x42823a
mov edx, dword [ebp - 4]
call fcn.0042824b
test eax, eax
jge 0x42823a
push edx
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov dword [ebp - 4], ebx
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop esi
mov eax, dword [ebp - 4]
pop edi
pop ebx
leave
ret

Function at 0x42824b
Capabilities:
Encode data using xor

Disassembly:
test edx, edx
je 0x42827a
test esi, esi
jbe 0x42827a
mov ecx, esi
shr ecx, 2
push 0
pop eax
je 0x428269
xor dword [edx + eax*4], 0x132218e8
inc eax
cmp eax, ecx
jb 0x42825d
shl eax, 2
jmp 0x428273
xor byte [eax + edx], 0x24
inc eax
cmp eax, esi
jb 0x42826e
xor eax, eax
ret
mov eax, 0x80004005
ret
Function at 0x4284a3
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
push ebx
push esi
mov esi, dword [ebp + 0xc]
cmp esi, 0x80
mov ebx, eax
jg 0x4285b8
push 0x10
lea eax, [ebp - 0x30]
push edi
push eax
call fcn.004f0240
push dword [ebp + 0x10]
push edi
push edi
call dword [ebp + 0x18]
lea eax, [esi + 7]
cdq
and edx, 7
add eax, edx
mov esi, eax
add esp, 0x18
sar esi, 3
cmp dword [ebp + 0x14], 0
je 0x428515
test esi, esi
jle 0x428557
mov eax, dword [ebp + 8]
lea edx, [ebp - 0x20]
sub ebx, edi
sub edx, edi
sub eax, edi
mov ecx, edi
mov dword [ebp - 4], eax
mov dword [ebp - 8], esi
mov al, byte [ebx + ecx]
xor al, byte [ecx]
mov esi, dword [ebp - 4]
mov byte [edx + ecx], al
mov byte [esi + ecx], al
inc ecx
dec dword [ebp - 8]
jne 0x4284ff
jmp 0x428557
and dword [ebp - 4], 0
test esi, esi
jle 0x428557
lea eax, [ebp - 0x20]
mov edx, ebx
mov dword [ebp - 8], edi
sub dword [ebp - 8], eax
sub edx, eax
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x20]
sub eax, ecx
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp - 4]
mov ebx, dword [ebp - 8]
lea ecx, [ebp + ecx - 0x20]
mov al, byte [edx + ecx]
mov bl, byte [ebx + ecx]
xor bl, al
inc dword [ebp - 4]
cmp dword [ebp - 4], esi
mov byte [ecx], al
mov eax, dword [ebp - 0xc]
mov byte [eax + ecx], bl
jl 0x428535
mov ebx, dword [ebp + 0xc]
and ebx, 0x80000007
jns 0x428567
dec ebx
or ebx, 0xfffffff8
inc ebx
mov eax, dword [ebp + 0xc]
cdq
and edx, 7
add eax, edx
sar eax, 3
test ebx, ebx
mov dword [ebp - 0xc], ebx
lea eax, [ebp + eax - 0x30]
jne 0x42858c
push 0x10
push eax
push edi
call fcn.004f0240
add esp, 0xc
jmp 0x4285b8
mov dword [ebp - 8], 8
xor esi, esi
sub dword [ebp - 8], ebx
jmp 0x42859d
mov ebx, dword [ebp - 0xc]
mov dl, byte [eax + esi + 1]
mov cl, byte [ebp - 8]
shr dl, cl
mov ecx, ebx
mov bl, byte [eax + esi]
shl bl, cl
or dl, bl
mov byte [esi + edi], dl
inc esi
cmp esi, 0x10
jl 0x42859a
pop esi
pop ebx
leave
ret

Function at 0x4287a2
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x50e03c
call fcn.0050b978
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405b0c
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4287ed
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.00405892
mov ecx, dword [ebp - 0xc]
pop edi
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret
mov esi, dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4287ce
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x4287ce
lea ecx, [ebp - 0x10]
call fcn.004286c8
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x428824
xor esi, esi
jmp 0x4287d1
push eax
call fcn.004287a2
test eax, eax
pop ecx
je 0x428820
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4287ce
call edi
cmp eax, ebx
jne 0x428820
jmp 0x4287ce
Function at 0x428842
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x50e03c
call fcn.0050b978
sub esp, 0x64
push ebx
push esi
push edi
xor ebx, ebx
push 0x40
lea eax, [ebp - 0x6c]
push ebx
push eax
mov esi, ecx
mov dword [ebp - 0x14], ebx
call fcn.004ee380
xor eax, eax
mov dword [ebp - 0x24], ebx
lea edi, [ebp - 0x20]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
mov eax, dword [0x55ba6c]
xor edi, edi
inc edi
add esp, 0xc
mov ecx, 0x55ba6c
mov dword [ebp - 0x70], 0x44
mov dword [ebp - 0x44], edi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
push dword [ebp + 0xc]
lea eax, [ebp - 0x10]
push dword [ebp + 8]
mov dword [ebp - 4], ebx
push 0x53ca70
call fcn.004064fc
add esp, 0xc
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x70]
push eax
push ebx
push ebx
push ebx
neg esi
push ebx
sbb esi, esi
push ebx
and esi, 0xa
mov word [ebp - 0x40], si
mov esi, dword [ebp - 0x10]
push ebx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x4288e8
cmp dword [ebp + 0x10], ebx
je 0x4288e5
push dword [ebp + 0x10]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x14], edi
cmp dword [ebp - 0x24], ebx
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x4288fb
push dword [ebp - 0x24]
call edi
mov dword [ebp - 0x24], ebx
cmp dword [ebp - 0x20], ebx
je 0x428908
push dword [ebp - 0x20]
call edi
mov dword [ebp - 0x20], ebx
lea eax, [esi - 0x10]
call fcn.00405892
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x14]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret
Function at 0x42894e
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x50d17c
call fcn.0050b978
sub esp, 0x70
push ebx
push esi
push edi
xor edi, edi
cmp dword [ebp + 8], edi
mov ebx, ecx
jne 0x42896e
xor eax, eax
jmp 0x428ab6
mov eax, dword [0x55ba6c]
mov ecx, 0x55ba6c
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x20], eax
push dword [ebp + 0xc]
mov dword [ebp - 4], edi
push dword [ebp + 8]
lea eax, [ebp - 0x20]
push 0x53ca70
call fcn.004064fc
add esp, 0xc
lea esi, [ebp - 0x14]
mov dword [ebp - 0x14], edi
call fcn.00409057
test eax, eax
jne 0x428a9a
push 0x40
push eax
lea eax, [ebp - 0x78]
push eax
mov dword [ebp - 0x7c], 0x44
call fcn.004ee380
and dword [ebp - 0x34], 0
xor eax, eax
add esp, 0xc
neg ebx
lea edi, [ebp - 0x30]
stosd dword es:[edi], eax
sbb ebx, ebx
and ebx, 5
stosd dword es:[edi], eax
mov word [ebp - 0x4c], bx
xor ebx, ebx
push str.userenv.dll
stosd dword es:[edi], eax
mov dword [ebp - 0x50], 1
mov dword [ebp - 0x74], 0x53ca98
mov dword [ebp - 0x24], 0x30
mov dword [ebp + 8], ebx
mov dword [ebp - 0x18], ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
cmp eax, ebx
mov dword [ebp - 0x1c], eax
je 0x428a44
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.CreateEnvironmentBlock
push eax
call edi
push str.DestroyEnvironmentBlock
push dword [ebp - 0x1c]
mov esi, eax
call edi
cmp esi, ebx
mov dword [ebp - 0x18], eax
je 0x428a44
push ebx
push dword [ebp - 0x14]
lea eax, [ebp + 8]
push eax
call esi
test eax, eax
je 0x428a41
mov dword [ebp - 0x24], 0x430
jmp 0x428a44
mov dword [ebp + 8], ebx
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x7c]
push eax
push ebx
push dword [ebp + 8]
push dword [ebp - 0x24]
push ebx
push ebx
push ebx
push dword [ebp - 0x20]
push ebx
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_CreateProcessAsUserW]
cmp dword [ebp - 0x34], ebx
mov edi, eax
je 0x428a73
push dword [ebp - 0x34]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x30], ebx
je 0x428a81
push dword [ebp - 0x30]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x18], ebx
je 0x428a8c
push dword [ebp + 8]
call dword [ebp - 0x18]
cmp dword [ebp - 0x1c], ebx
je 0x428a9a
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp dword [ebp - 0x14], 0
je 0x428aa9
push dword [ebp - 0x14]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x20]
add eax, 0xfffffff0
call fcn.00405892
mov eax, edi
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret