joyce8/EMBER2024-capa huggingface dataset:
Function at 0x43e0b6
Capabilities:
Encode data using xor

Disassembly:
xor eax, eax
or ecx, 0x100
push esi
mov esi, dword [esp + 8]
mov edx, ecx
shr edx, 8
movzx edx, word [esi + edx*2]
mov esi, ecx
shr esi, 7
and esi, 1
neg esi
sar esi, 4
and esi, 0x7f
shr edx, 4
xor edx, esi
mov esi, dword [esp + 0xc]
add eax, dword [esi + edx*4]
add ecx, ecx
cmp ecx, 0x10000
jb 0x43e0bf
pop esi
ret

Function at 0x43e0f4
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov ecx, pe_nt_image_headers32
push esi
xor eax, eax
or edx, ecx
push edi
shl dword [ebp + 0xc], 1
mov esi, ecx
and esi, dword [ebp + 0xc]
mov edi, edx
add esi, ecx
shr edi, 8
add edi, esi
mov esi, dword [ebp + 8]
movzx esi, word [esi + edi*2]
mov edi, edx
shr edi, 7
and edi, 1
neg edi
shr esi, 4
sar edi, 4
and edi, 0x7f
xor esi, edi
mov edi, dword [ebp + 0x10]
add eax, dword [edi + esi*4]
add edx, edx
mov esi, edx
xor esi, dword [ebp + 0xc]
not esi
and ecx, esi
cmp edx, 0x10000
jb 0x43e102
pop edi
pop esi
pop ebp
ret

Function at 0x43e1fa
Capabilities:
Encode data using xor

Disassembly:
xor edx, edx
push esi
mov esi, eax
xor eax, eax
inc edx
test esi, esi
je 0x43e23a
push ebx
push edi
mov ecx, dword [esp + 0x14]
mov edi, dword [esp + 0x10]
movzx edi, word [edi + edx*2]
shr dword [esp + 0x14], 1
and ecx, 1
mov ebx, ecx
neg ebx
sar ebx, 4
and ebx, 0x7f
shr edi, 4
xor edi, ebx
mov ebx, dword [esp + 0x18]
add eax, dword [ebx + edi*4]
add edx, edx
or edx, ecx
dec esi
jne 0x43e208
pop edi
pop ebx
pop esi
ret
Function at 0x43fb82
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 0x43fbcf
inc dword [ebp - 4]
mov dword [eax], edi
add eax, 4
cmp dword [ebp - 4], 0x100
jb 0x43fbc5
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.0043dcd4
mov ebx, esi
call fcn.0043ddd7
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 0x43fc86
push ebx
push dword [ebp - 4]
lea eax, [edi + esi + 0x306a0]
push eax
call fcn.00477100
add esp, 0xc
add edi, ebx
inc dword [ebp - 4]
cmp dword [ebp - 4], 0x16
jl 0x43fc61
push 8
pop edi
mov edx, 0x10000
push 4
mov eax, edi
xor ecx, ecx
pop ebx
imul eax, eax
add ecx, ecx
jmp 0x43fca8
shr eax, 1
inc ecx
cmp eax, edx
jae 0x43fca5
dec ebx
jne 0x43fc9e
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 0x43fc97
and dword [esi + 0x325ac], ebx
and dword [esi + 0x3bd14], ebx
pop edi
pop ebx
leave
ret

Function at 0x44070e
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.0047e0df
mov ecx, dword [ebp + 8]
add esp, 0x18
test eax, eax
mov dword [ecx], eax
je 0x440737
xor eax, eax
leave
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x440742
inc eax
leave
ret
Function at 0x443d5f
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x4a7d2a
call fcn.004a7044
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.00435d61
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x44c923
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x4a860d
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.00438c30
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.0044c89f
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.0044c89f
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.0044c85b
push 0x10
push esi
call fcn.0044c85b
push 9
push esi
call fcn.0044c85b
push 6
push esi
call fcn.0044c85b
push 0x12
push esi
call fcn.0044c85b
push 0x14
push esi
call fcn.0044c85b
push 0x13
push esi
call fcn.0044c85b
push 0x15
push esi
call fcn.0044c85b
add esp, 0x40
push 0xa
push esi
call fcn.0044c85b
push 0x16
push esi
call fcn.0044c85b
add esp, 0x10
mov eax, esi
call fcn.00438ec7
push ebx
push 0x61
call fcn.00437e4d
push ebx
push 0x62
call fcn.00437e4d
push ebx
push 0x63
call fcn.00437e4d
push 0x14
mov eax, esi
call fcn.0044c8d5
pop ecx
push 6
mov eax, esi
call fcn.0044c8d5
pop ecx
push 9
mov eax, esi
call fcn.0044c8d5
pop ecx
push 0x11
mov eax, esi
call fcn.0044c8d5
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.004408de
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4509b6
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x4aa16c
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x38
mov eax, dword [0x4d92a0]
push ebx
push esi
push edi
mov ecx, 0x4d92a0
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.00406078
mov esi, ebx
call fcn.00451845
push dword [ebx]
call fcn.0040656d
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 0x450a36
cmp dword [esp + 0x30], edi
je 0x450a3b
call fcn.00478ccb
cmp dword [esp + 0x34], esi
je 0x450b32
lea esi, [esp + 0x30]
call fcn.00474480
mov dword [esp + 0x14], eax
call fcn.00474480
mov esi, eax
push 0x4b84dc
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.00405a9a
test eax, eax
je 0x450ab1
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.004067a0
pop ecx
pop ecx
lea edi, [esp + 0x10]
mov byte [esp + 0x4c], 1
call fcn.00405daf
mov byte [esp + 0x4c], 0
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
call fcn.00405cd9
push dword [esp + 0x10]
call fcn.0040656d
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 0x450ad2
cmp dword [esp + 0x28], esi
je 0x450ad7
call fcn.00478ccb
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x450b24
cmp dword [esp + 0x28], 0
jne 0x450aed
call fcn.00478ccb
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x450aff
call fcn.00478ccb
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.00451364
lea esi, [esp + 0x28]
call fcn.00431000
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x450abe
lea esi, [esp + 0x30]
call fcn.00452386
jmp 0x450a26
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.00405cd9
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 0x450f62
Capabilities:
Copy file

Disassembly:
mov eax, 0x4aa132
call fcn.004a7044
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x4510b8
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.004067a0
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.004518d3
test eax, eax
je 0x4510ad
mov eax, dword [0x4d92a0]
mov esi, 0x4d92a0
mov ecx, esi
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x10], eax
mov byte [ebp - 4], 1
mov eax, dword [0x4d92a0]
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.00451977
lea edi, [ebp - 0x14]
mov byte [ebp - 4], 3
call fcn.00405daf
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405cd9
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00451a0f
pop ecx
pop ecx
lea edi, [ebp - 0x10]
mov byte [ebp - 4], 4
call fcn.00405daf
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.00405cd9
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.004067a0
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.00405cd9
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x45109a
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.00405b4d
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.004067a0
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00451a68
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.00405cd9
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.00405cd9
lea eax, [edi - 0x10]
call fcn.00405cd9
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.00405cd9
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x4515d4
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 0x451610
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x45170d
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 0x45163e
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 0x451649
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4516d9
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 0x45166a
cmp dword [ebp - 0x18], ebx
je 0x45166f
call fcn.00478ccb
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x4516c9
lea esi, [ebp - 0x18]
call fcn.00451ea6
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x45168c
xor eax, eax
jmp 0x451691
mov eax, dword [esi + 8]
sub eax, ecx
push eax
push edi
call fcn.0040b6b9
push eax
push dword [ebp - 4]
call fcn.0047b520
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x4516af
xor esi, esi
jmp 0x4516b4
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.00451ec6
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x45165a
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 0x4516e9
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x45170d
push dword [ebp + 0xc]
mov eax, esi
call fcn.00451717
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x45170d
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 0x451717
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 0x451755
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x45183b
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 0x451776
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x451826
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 0x451796
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x451818
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 0x4517b4
cmp dword [ebp - 0x1c], ebx
je 0x4517b9
call fcn.00478ccb
cmp dword [ebp - 0x18], esi
je 0x451811
lea esi, [ebp - 0x1c]
call fcn.00451ea6
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x4517d3
xor eax, eax
jmp 0x4517d8
mov eax, dword [esi + 8]
sub eax, ecx
push eax
push edi
call fcn.0040b6b9
push eax
push dword [ebp + 8]
call fcn.00477521
add esp, 0xc
test eax, eax
jne 0x451818
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x4517fa
xor esi, esi
jmp 0x4517ff
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.00451ec6
xor edi, edi
jmp 0x4517a7
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x451826
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 0x451836
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 0x451882
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 0x4518b9
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x4518c5
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4518a6
jmp 0x4518cc
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x451977
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x4da554], 1
jne 0x4519b4
mov eax, dword [0x4d92a0]
or dword [0x4da554], 1
mov ecx, 0x4d92a0
call dword [eax + 0xc]
add eax, 0x10
push 0x4ac84b
mov dword [0x4da550], eax
call fcn.0047a874
pop ecx
mov eax, dword [0x4da550]
cmp dword [eax - 0xc], 0
jne 0x4519fe
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x4519f9
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x4da550
push esi
call fcn.00406078
call fcn.00451845
push str.drivers_
push esi
call fcn.00406d75
pop esi
mov eax, dword [0x4da550]
add eax, 0xfffffff0
call fcn.00405b4d
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x4533ec
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x4533ff
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret

Function at 0x453741
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 - 4], 0
cmp dword [ebp + 0xc], 0
jne 0x45375a
mov eax, dword [ebp - 4]
jmp 0x453834
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 0x45380f
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 + 0x4b5d78]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x4b5d78]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x4b5d78]
mov cl, bh
xor eax, edi
mov ebx, dword [esi]
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x4b5d78]
add esi, 4
xor eax, edi
mov dl, bl
mov cl, bh
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x4b5d78]
shr ebx, 0x10
xor eax, edi
xor cl, al
shr eax, 8
mov edi, dword [ecx*4 + 0x4b5d78]
mov dl, bl
xor eax, edi
xor dl, al
shr eax, 8
mov edi, dword [edx*4 + 0x4b5d78]
mov cl, bh
xor eax, edi
xor cl, al
shr eax, 8
xor eax, dword [ecx*4 + 0x4b5d78]
dec ebp
jne 0x453779
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x45382b
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x4b5d78]
dec ecx
jne 0x453819
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x4538a6
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
xor eax, eax
push esi
push edi
xor ebx, ebx
mov byte [ebp - 0x20], bl
lea edi, [ebp - 0x1f]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov dword [ebp - 0xc], ebx
xor eax, eax
lea edi, [ebp - 8]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
call fcn.00453f21
push dword [ebp + 8]
mov dword [0x4da2dc], eax
push 0x4da2b4
call fcn.00406078
call fcn.00453e6e
xor edi, edi
inc edi
push edi
lea eax, [ebp - 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_InitializeSecurityDescriptor]
push ebx
push ebx
push edi
lea eax, [ebp - 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_SetSecurityDescriptorDacl]
lea eax, [ebp - 0x20]
push 0x4da2b8
mov dword [ebp - 0xc], 0xc
mov dword [ebp - 8], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov esi, dword [sym.imp.KERNEL32.dll_CreateEventW]
push ebx
push edi
push edi
lea eax, [ebp - 0xc]
push eax
call esi
push ebx
push ebx
push edi
push ebx
mov dword [0x4da2a8], eax
call esi
cmp dword [0x4da2a8], ebx
mov dword [0x4da2ac], eax
je 0x453968
cmp eax, ebx
je 0x453968
push ebx
push ebx
push 0x4da2a0
push 0x453cb8
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateThread]
xor ecx, ecx
cmp eax, ebx
setne cl
mov dword [0x4da2b0], eax
mov eax, ecx
jmp 0x45396a
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4

Function at 0x453971
Capabilities:
Terminate thread

Disassembly:
cmp dword [0x4da2b0], 0
mov dword [0x4da2a0], 1
je 0x4539ba
mov eax, dword [0x4da2ac]
test eax, eax
je 0x453994
push eax
call dword [sym.imp.KERNEL32.dll_SetEvent]
push 0xea60
push dword [0x4da2b0]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp eax, 0x102
jne 0x4539ba
push 0
push dword [0x4da2b0]
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [0x4da2ac]
test eax, eax
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x4539d4
push eax
call esi
and dword [0x4da2ac], 0
mov eax, dword [0x4da2b0]
test eax, eax
je 0x4539e7
push eax
call esi
and dword [0x4da2b0], 0
pop esi
ret
Function at 0x453cc4
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x4aa092
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x38
push ebx
push esi
push edi
mov esi, ecx
call fcn.004540b5
xor ebx, ebx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ebx
push 0xffffffffffffffff
mov dword [esp + 0x50], ebx
push dword [esi + 0xc]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp eax, ebx
jne 0x453e47
lea edi, [esi + 0x18]
push edi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [esp + 0x1c]
mov ecx, dword [esi + 0x34]
mov dword [esi + 0x34], eax
mov eax, dword [esp + 0x20]
mov dword [esp + 0x1c], ecx
mov ecx, dword [esi + 0x38]
mov dword [esi + 0x38], eax
push dword [esi + 0xc]
mov dword [esp + 0x24], ecx
call dword [sym.imp.KERNEL32.dll_ResetEvent]
push edi
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
cmp dword [esp + 0x20], ebx
je 0x453e30
cmp dword [esi + 4], ebx
jne 0x453d6d
mov eax, dword [esi + 0x14]
push 0x4bd2c0
push eax
call fcn.0047750e
cmp eax, ebx
pop ecx
pop ecx
mov dword [esi + 4], eax
je 0x453e30
push ebx
lea ecx, [esp + 0x28]
mov dword [esp + 0x40], 0xf
call fcn.0040285b
mov byte [esp + 0x4c], 1
cmp dword [esp + 0x20], ebx
je 0x453e01
mov eax, dword [esp + 0x1c]
mov edi, dword [eax]
cmp edi, eax
jne 0x453d99
call fcn.00478ccb
push 0xffffffffffffffff
push ebx
add edi, 8
push edi
lea ecx, [esp + 0x30]
call fcn.004025ad
mov eax, dword [esp + 0x1c]
push dword [eax]
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x18]
push eax
lea ebx, [esp + 0x24]
call fcn.0045405f
cmp dword [esp + 0x3c], 0x10
mov ecx, dword [esp + 0x28]
jae 0x453dd1
lea ecx, [esp + 0x28]
mov eax, dword [esi + 4]
test eax, eax
je 0x453df9
push eax
push dword [esp + 0x3c]
push 1
push ecx
call fcn.0047c1ba
push dword [esi + 4]
push 2
push 1
push 0x4b89e0
call fcn.0047c1ba
add esp, 0x20
xor ebx, ebx
cmp dword [esp + 0x20], ebx
jne 0x453d8a
mov eax, dword [esi + 4]
cmp eax, ebx
je 0x453e1b
push eax
call fcn.0047c5da
pop ecx
push dword [esi + 4]
call fcn.004773cc
pop ecx
mov dword [esi + 4], ebx
push ebx
push 1
lea ecx, [esp + 0x2c]
mov byte [esp + 0x54], bl
call fcn.004026ae
jmp 0x453d0d
cmp dword [esi], ebx
jne 0x453e47
push 0xffffffffffffffff
push dword [esi + 0xc]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x453d0d
lea esi, [esp + 0x18]
call fcn.004540cd
push dword [esp + 0x1c]
call fcn.00478f7f
pop ecx
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