joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4142de
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
xor edx, edx
lea ecx, [esi + 0x19c]
mov dword [esi + 0x3bcd4], edx
mov dword [esi + 0x3bcd0], edx
push ebx
mov dword [ecx + 0x30], edx
mov dword [ecx + 0x4c], edx
mov dword [ecx + 0x20], edx
mov dword [ecx + 0x2c], 0x20
mov dword [ecx + 0x54], 1
mov dword [ecx + 0x48], 4
mov dword [ecx + 0x58], edx
mov dword [ebp - 4], edx
lea eax, [ecx + 0x70]
push edi
mov edi, dword [ebp - 4]
mov dword [ebp - 8], 8
mov ebx, edi
and ebx, 1
dec ebx
not ebx
and ebx, 0xedb88320
shr edi, 1
xor edi, ebx
dec dword [ebp - 8]
jne 0x41432b
inc dword [ebp - 4]
mov dword [eax], edi
add eax, 4
cmp dword [ebp - 4], 0x100
jb 0x414321
mov dword [esi + 0x118], edx
lea eax, [esi + 0x148]
mov dword [eax], edx
mov dword [eax + 0x28], edx
mov dword [eax + 0x2c], edx
mov dword [eax + 0x10], edx
mov dword [eax + 0x14], edx
mov dword [eax + 0x18], edx
mov dword [eax + 0x1c], edx
mov dword [eax + 0x20], edx
mov dword [eax + 0x24], edx
mov dword [esi + 0x4c], edx
mov dword [esi + 0x74], edx
mov dword [esi + 0x78], edx
mov dword [esi + 0x5c], edx
mov dword [esi + 0x60], edx
mov dword [esi + 0x64], edx
mov dword [esi + 0x68], edx
mov dword [esi + 0x6c], edx
mov dword [esi + 0x70], edx
lea eax, [ebp - 0x38]
mov dword [esi + 0x198], ecx
call fcn.00412430
mov ebx, esi
call fcn.00412533
push 2
pop edi
mov byte [esi + 0x306a0], 0
mov byte [esi + 0x306a1], 1
mov dword [ebp - 4], edi
mov ecx, dword [ebp - 4]
xor ebx, ebx
sar ecx, 1
dec ecx
inc ebx
shl ebx, cl
test ebx, ebx
jbe 0x4143e2
push ebx
push dword [ebp - 4]
lea eax, [edi + esi + 0x306a0]
push eax
call fcn.004ef200
add esp, 0xc
add edi, ebx
inc dword [ebp - 4]
cmp dword [ebp - 4], 0x16
jl 0x4143bd
push 8
pop edi
mov edx, 0x10000
push 4
mov eax, edi
xor ecx, ecx
pop ebx
imul eax, eax
add ecx, ecx
jmp 0x414404
shr eax, 1
inc ecx
cmp eax, edx
jae 0x414401
dec ebx
jne 0x4143fa
mov eax, 0xa1
sub eax, ecx
mov ecx, edi
shr ecx, 4
add edi, 0x10
cmp edi, 0x800
mov dword [esi + ecx*4 + 0x30ea0], eax
jb 0x4143f3
and dword [esi + 0x325ac], ebx
and dword [esi + 0x3bd14], ebx
pop edi
pop ebx
leave
ret

Function at 0x414e6a
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
lea eax, [ebp - 4]
push eax
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push 0
push 0
call fcn.004f2747
mov ecx, dword [ebp + 8]
add esp, 0x18
test eax, eax
mov dword [ecx], eax
je 0x414e93
xor eax, eax
leave
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x414e9e
inc eax
leave
ret
Function at 0x418555
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x50d60c
call fcn.0050c878
xor eax, eax
push esi
mov esi, dword [ebp + 8]
mov dword [esi + 4], eax
mov dword [esi + 8], eax
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 4
mov dword [esi], vtable.CObjectVector_struct_NArchive::N7z::CMethodFull_.0
mov dword [ebp - 4], eax
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], eax
mov dword [esi + 0x20], eax
mov dword [esi + 0x24], 0x10
mov dword [esi + 0x14], vtable.CRecordVector_struct_NArchive::N7z::CBind_.0
mov byte [ebp - 4], 1
mov byte [esi + 0x2c], al
lea eax, [esi + 0x30]
mov dword [esi + 0x28], 1
call fcn.0040a52b
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x42111a
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50e179
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.0040d38c
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.00421096
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.00421096
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.00421052
push 0x10
push esi
call fcn.00421052
push 9
push esi
call fcn.00421052
push 6
push esi
call fcn.00421052
push 0x12
push esi
call fcn.00421052
push 0x14
push esi
call fcn.00421052
push 0x13
push esi
call fcn.00421052
push 0x15
push esi
call fcn.00421052
add esp, 0x40
push 0xa
push esi
call fcn.00421052
push 0x16
push esi
call fcn.00421052
add esp, 0x10
mov eax, esi
call fcn.0040d623
push ebx
push 0x61
call fcn.0040bae1
push ebx
push 0x62
call fcn.0040bae1
push ebx
push 0x63
call fcn.0040bae1
push 0x14
mov eax, esi
call fcn.004210cc
pop ecx
push 6
mov eax, esi
call fcn.004210cc
pop ecx
push 9
mov eax, esi
call fcn.004210cc
pop ecx
push 0x11
mov eax, esi
call fcn.004210cc
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.0041503a
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x424c8b
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50f1fa
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x38
mov eax, dword [0x55daac]
push ebx
push esi
push edi
mov ecx, 0x55daac
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.00405d0e
mov esi, ebx
call fcn.00425a68
push dword [ebx]
call fcn.00405fc5
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 0x424d0b
cmp dword [esp + 0x30], edi
je 0x424d10
call fcn.004eeb8e
cmp dword [esp + 0x34], esi
je 0x424e07
lea esi, [esp + 0x30]
call fcn.004260c9
mov dword [esp + 0x14], eax
call fcn.004260c9
mov esi, eax
push 0x53c7f8
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.00405409
test eax, eax
je 0x424d86
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.0040630d
pop ecx
pop ecx
lea edi, [esp + 0x10]
mov byte [esp + 0x4c], 1
call fcn.00404ebe
mov byte [esp + 0x4c], 0
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
call fcn.00405883
push dword [esp + 0x10]
call fcn.00405fc5
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 0x424da7
cmp dword [esp + 0x28], esi
je 0x424dac
call fcn.004eeb8e
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x424df9
cmp dword [esp + 0x28], 0
jne 0x424dc2
call fcn.004eeb8e
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x424dd4
call fcn.004eeb8e
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.00425589
lea esi, [esp + 0x28]
call fcn.00426bc7
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x424d93
lea esi, [esp + 0x30]
call fcn.0042657c
jmp 0x424cfb
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.00405883
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 0x425189
Capabilities:
Copy file

Disassembly:
mov eax, 0x50f1e0
call fcn.0050c878
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x4252df
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.0040630d
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.00425af6
test eax, eax
je 0x4252d4
mov eax, dword [0x55daac]
mov esi, 0x55daac
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
mov byte [ebp - 4], 1
mov eax, dword [0x55daac]
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.00425b9a
lea edi, [ebp - 0x14]
mov byte [ebp - 4], 3
call fcn.00404ebe
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405883
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00425c32
pop ecx
pop ecx
lea edi, [ebp - 0x10]
mov byte [ebp - 4], 4
call fcn.00404ebe
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405883
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.0040630d
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.00405883
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x4252c1
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.0040589b
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.0040630d
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00425c8b
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.00405883
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.00405883
lea eax, [edi - 0x10]
call fcn.00405883
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.00405883
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x4257f9
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 0x425835
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425931
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 0x425863
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 0x42586e
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4258fd
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 0x42588f
cmp dword [ebp - 0x18], ebx
je 0x425894
call fcn.004eeb8e
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x4258ed
lea esi, [ebp - 0x18]
call fcn.004518e4
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x4258b1
xor eax, eax
jmp 0x4258b6
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409f93
push eax
push dword [ebp - 4]
call fcn.004f10d0
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x4258d3
xor esi, esi
jmp 0x4258d8
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.004260e9
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x42587f
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 0x42590d
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x425931
push dword [ebp + 0xc]
mov eax, esi
call fcn.0042593b
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x425931
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 0x42593b
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 0x425979
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425a5e
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 0x42599a
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425a49
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 0x4259ba
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425a3b
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 0x4259d8
cmp dword [ebp - 0x1c], ebx
je 0x4259dd
call fcn.004eeb8e
cmp dword [ebp - 0x18], esi
je 0x425a34
lea esi, [ebp - 0x1c]
call fcn.004518e4
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x4259f7
xor eax, eax
jmp 0x4259fc
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409f93
push eax
push dword [ebp + 8]
call fcn.004eca04
add esp, 0xc
test eax, eax
jne 0x425a3b
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x425a1d
xor esi, esi
jmp 0x425a22
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.004260e9
xor edi, edi
jmp 0x4259cb
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x425a49
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 0x425a59
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 0x425aa5
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 0x425adc
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x425ae8
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x425ac9
jmp 0x425aef
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x425b9a
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x55ed7c], 1
jne 0x425bd7
mov eax, dword [0x55daac]
or dword [0x55ed7c], 1
mov ecx, 0x55daac
call dword [eax + 0xc]
add eax, 0x10
push 0x511946
mov dword [0x55ed78], eax
call fcn.004f08d7
pop ecx
mov eax, dword [0x55ed78]
cmp dword [eax - 0xc], 0
jne 0x425c21
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x425c1c
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x55ed78
push esi
call fcn.00405d0e
call fcn.00425a68
push str.drivers_
push esi
call fcn.0040611c
pop esi
mov eax, dword [0x55ed78]
add eax, 0xfffffff0
call fcn.0040589b
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x42761e
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x427631
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret

Function at 0x427973
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 0x427990
mov eax, dword [ebp - 4]
jmp 0x427a6a
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 0x427a45
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 + 0x53be28]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53be28]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53be28]
mov cl, bh
xor eax, edi
mov ebx, dword [esi]
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53be28]
add esi, 4
xor eax, edi
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53be28]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x53be28]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x53be28]
mov cl, bh
xor eax, edi
xor cl, al
shr eax, 8
xor eax, dword [ecx*4 + 0x53be28]
dec ebp
jne 0x4279af
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x427a61
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x53be28]
dec ecx
jne 0x427a4f
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x428236
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 0x428312
cmp word [ecx], bx
je 0x428312
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 0x428312
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, ebx
jbe 0x428308
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 0x428308
lea ecx, [ebp - 0x14]
call fcn.0042834e
test eax, eax
je 0x428308
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 0x428308
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 0x428308
mov edx, dword [ebp - 4]
call fcn.00428319
test eax, eax
jge 0x428308
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 0x428319
Capabilities:
Encode data using xor

Disassembly:
test edx, edx
je 0x428348
test esi, esi
jbe 0x428348
mov ecx, esi
shr ecx, 2
push 0
pop eax
je 0x428337
xor dword [edx + eax*4], 0x132218e8
inc eax
cmp eax, ecx
jb 0x42832b
shl eax, 2
jmp 0x428341
xor byte [eax + edx], 0x24
inc eax
cmp eax, esi
jb 0x42833c
xor eax, eax
ret
mov eax, 0x80004005
ret
Function at 0x428571
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 0x428686
push 0x10
lea eax, [ebp - 0x30]
push edi
push eax
call fcn.004f10d0
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 0x4285e3
test esi, esi
jle 0x428625
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 0x4285cd
jmp 0x428625
and dword [ebp - 4], 0
test esi, esi
jle 0x428625
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 0x428603
mov ebx, dword [ebp + 0xc]
and ebx, 0x80000007
jns 0x428635
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 0x42865a
push 0x10
push eax
push edi
call fcn.004f10d0
add esp, 0xc
jmp 0x428686
mov dword [ebp - 8], 8
xor esi, esi
sub dword [ebp - 8], ebx
jmp 0x42866b
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 0x428668
pop esi
pop ebx
leave
ret

Function at 0x428870
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x50f000
call fcn.0050c878
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405af3
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4288bb
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.00405883
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 0x42889c
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x42889c
lea ecx, [ebp - 0x10]
call fcn.00428796
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x4288f2
xor esi, esi
jmp 0x42889f
push eax
call fcn.00428870
test eax, eax
pop ecx
je 0x4288ee
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x42889c
call edi
cmp eax, ebx
jne 0x4288ee
jmp 0x42889c
Function at 0x428910
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x50e0a8
call fcn.0050c878
sub esp, 0x68
push ebx
push esi
push edi
xor ebx, ebx
push 0x40
lea eax, [ebp - 0x70]
push ebx
push eax
mov esi, ecx
mov dword [ebp - 0x18], ebx
call fcn.004ef200
xor eax, eax
mov dword [ebp - 0x28], ebx
lea edi, [ebp - 0x24]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
mov eax, dword [0x55daac]
xor edi, edi
inc edi
add esp, 0xc
mov ecx, 0x55daac
mov dword [ebp - 0x74], 0x44
mov dword [ebp - 0x48], edi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x14], eax
push dword [ebp + 0xc]
lea eax, [ebp - 0x14]
push dword [ebp + 8]
mov dword [ebp - 4], ebx
push str.__s___s
call fcn.004063cf
add esp, 0xc
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x74]
push eax
push ebx
push ebx
push ebx
neg esi
push ebx
sbb esi, esi
push ebx
and esi, 0xa
mov word [ebp - 0x44], si
mov esi, dword [ebp - 0x14]
push ebx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x4289a5
mov dword [ebp - 0x18], edi
cmp dword [ebp - 0x28], ebx
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x4289b8
push dword [ebp - 0x28]
call edi
mov dword [ebp - 0x28], ebx
cmp dword [ebp - 0x24], ebx
je 0x4289c5
push dword [ebp - 0x24]
call edi
mov dword [ebp - 0x24], ebx
lea eax, [esi - 0x10]
call fcn.00405883
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x18]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret