joyce8/EMBER2024-capa huggingface dataset:
Function at 0x412710
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
mov esi, eax
mov eax, 0x100
push edi
mov ebx, eax
or esi, eax
shl dword [ebp + 0x10], 1
mov eax, esi
shr eax, 7
and eax, 1
push eax
mov eax, ebx
and eax, dword [ebp + 0x10]
mov ecx, esi
add eax, ebx
shr ecx, 8
add ecx, eax
mov eax, dword [ebp + 0xc]
lea edi, [eax + ecx*2]
mov eax, dword [ebp + 8]
call fcn.0041268a
add esi, esi
mov eax, esi
xor eax, dword [ebp + 0x10]
pop ecx
not eax
and ebx, eax
cmp esi, 0x10000
jb 0x412721
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x412762
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 0x41276b
pop esi
ret

Function at 0x4127a0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov ecx, 0x100
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 0x4127ae
pop edi
pop esi
pop ebp
ret

Function at 0x4128a6
Capabilities:
Encode data using xor

Disassembly:
xor edx, edx
push esi
mov esi, eax
xor eax, eax
inc edx
test esi, esi
je 0x4128e6
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 0x4128b4
pop edi
pop ebx
pop esi
ret
Function at 0x41422e
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 0x41427b
inc dword [ebp - 4]
mov dword [eax], edi
add eax, 4
cmp dword [ebp - 4], 0x100
jb 0x414271
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.00412380
mov ebx, esi
call fcn.00412483
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 0x414332
push ebx
push dword [ebp - 4]
lea eax, [edi + esi + 0x306a0]
push eax
call fcn.004eef80
add esp, 0xc
add edi, ebx
inc dword [ebp - 4]
cmp dword [ebp - 4], 0x16
jl 0x41430d
push 8
pop edi
mov edx, 0x10000
push 4
mov eax, edi
xor ecx, ecx
pop ebx
imul eax, eax
add ecx, ecx
jmp 0x414354
shr eax, 1
inc ecx
cmp eax, edx
jae 0x414351
dec ebx
jne 0x41434a
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 0x414343
and dword [esi + 0x325ac], ebx
and dword [esi + 0x3bd14], ebx
pop edi
pop ebx
leave
ret

Function at 0x414dba
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.004f24c7
mov ecx, dword [ebp + 8]
add esp, 0x18
test eax, eax
mov dword [ecx], eax
je 0x414de3
xor eax, eax
leave
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x414dee
inc eax
leave
ret
Function at 0x41841c
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x50d38a
call fcn.0050c608
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.0040a472
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x421031
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50debc
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.0040d2dc
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.00420fad
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.00420fad
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.00420f69
push 0x10
push esi
call fcn.00420f69
push 9
push esi
call fcn.00420f69
push 6
push esi
call fcn.00420f69
push 0x12
push esi
call fcn.00420f69
push 0x14
push esi
call fcn.00420f69
push 0x13
push esi
call fcn.00420f69
push 0x15
push esi
call fcn.00420f69
add esp, 0x40
push 0xa
push esi
call fcn.00420f69
push 0x16
push esi
call fcn.00420f69
add esp, 0x10
mov eax, esi
call fcn.0040d573
push ebx
push 0x61
call fcn.0040c5aa
push ebx
push 0x62
call fcn.0040c5aa
push ebx
push 0x63
call fcn.0040c5aa
push 0x14
mov eax, esi
call fcn.00420fe3
pop ecx
push 6
mov eax, esi
call fcn.00420fe3
pop ecx
push 9
mov eax, esi
call fcn.00420fe3
pop ecx
push 0x11
mov eax, esi
call fcn.00420fe3
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.00414f8a
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x424baf
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50ef34
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.00405cfa
mov esi, ebx
call fcn.004259de
push dword [ebx]
call fcn.00425a6c
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 0x424c2f
cmp dword [esp + 0x30], edi
je 0x424c34
call fcn.004ee90e
cmp dword [esp + 0x34], esi
je 0x424d2b
lea esi, [esp + 0x30]
call fcn.004260df
mov dword [esp + 0x14], eax
call fcn.004260df
mov esi, eax
push 0x53c7f8
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.0040541e
test eax, eax
je 0x424caa
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.00406289
pop ecx
pop ecx
lea edi, [esp + 0x10]
mov byte [esp + 0x4c], 1
call fcn.00404ed3
mov byte [esp + 0x4c], 0
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
call fcn.0040586f
push dword [esp + 0x10]
call fcn.00425a6c
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 0x424ccb
cmp dword [esp + 0x28], esi
je 0x424cd0
call fcn.004ee90e
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x424d1d
cmp dword [esp + 0x28], 0
jne 0x424ce6
call fcn.004ee90e
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x424cf8
call fcn.004ee90e
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.004254ad
lea esi, [esp + 0x28]
call fcn.00451742
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x424cb7
lea esi, [esp + 0x30]
call fcn.00426592
jmp 0x424c1f
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.0040586f
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 0x4250ad
Capabilities:
Copy file

Disassembly:
mov eax, 0x50ef1a
call fcn.0050c608
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x425203
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.00406289
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.00425b0c
test eax, eax
je 0x4251f8
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.00425bb0
lea edi, [ebp - 0x14]
mov byte [ebp - 4], 3
call fcn.00404ed3
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.0040586f
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00425c48
pop ecx
pop ecx
lea edi, [ebp - 0x10]
mov byte [ebp - 4], 4
call fcn.00404ed3
mov byte [ebp - 4], 2
mov eax, dword [ebp - 0x1c]
add eax, 0xfffffff0
call fcn.0040586f
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.00406289
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.0040586f
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x4251e5
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.00405887
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.00406289
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00425ca1
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.0040586f
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.0040586f
lea eax, [edi - 0x10]
call fcn.0040586f
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.0040586f
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x42571d
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 0x425759
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425855
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 0x425787
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 0x425792
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425821
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 0x4257b3
cmp dword [ebp - 0x18], ebx
je 0x4257b8
call fcn.004ee90e
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x425811
lea esi, [ebp - 0x18]
call fcn.00451722
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x4257d5
xor eax, eax
jmp 0x4257da
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ebf
push eax
push dword [ebp - 4]
call fcn.004f0e50
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x4257f7
xor esi, esi
jmp 0x4257fc
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.004260ff
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x4257a3
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 0x425831
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x425855
push dword [ebp + 0xc]
mov eax, esi
call fcn.0042585f
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x425855
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 0x42585f
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 0x42589d
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425982
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 0x4258be
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42596d
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 0x4258de
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42595f
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 0x4258fc
cmp dword [ebp - 0x1c], ebx
je 0x425901
call fcn.004ee90e
cmp dword [ebp - 0x18], esi
je 0x425958
lea esi, [ebp - 0x1c]
call fcn.00451722
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x42591b
xor eax, eax
jmp 0x425920
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409ebf
push eax
push dword [ebp + 8]
call fcn.004ec784
add esp, 0xc
test eax, eax
jne 0x42595f
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x425941
xor esi, esi
jmp 0x425946
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.004260ff
xor edi, edi
jmp 0x4258ef
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x42596d
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 0x42597d
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 0x425a1b
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 0x425a52
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x425a5e
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x425a3f
jmp 0x425a65
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x425a6c
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x50dd14
call fcn.0050c608
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405adf
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x425ab7
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.0040586f
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 0x425a98
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x425a98
lea ecx, [ebp - 0x10]
call fcn.0042598c
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x425aee
xor esi, esi
jmp 0x425a9b
push eax
call fcn.00425a6c
test eax, eax
pop ecx
je 0x425aea
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x425a98
call edi
cmp eax, ebx
jne 0x425aea
jmp 0x425a98

Function at 0x425bb0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x55ed04], 1
jne 0x425bed
mov eax, dword [0x55daac]
or dword [0x55ed04], 1
mov ecx, 0x55daac
call dword [eax + 0xc]
add eax, 0x10
push 0x51169c
mov dword [0x55ed00], eax
call fcn.004f0657
pop ecx
mov eax, dword [0x55ed00]
cmp dword [eax - 0xc], 0
jne 0x425c37
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x425c32
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x55ed00
push esi
call fcn.00405cfa
call fcn.004259de
push str.drivers_
push esi
call fcn.00406098
pop esi
mov eax, dword [0x55ed00]
add eax, 0xfffffff0
call fcn.00405887
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x427610
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x427623
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret
Function at 0x427965
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 0x427982
mov eax, dword [ebp - 4]
jmp 0x427a5c
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 0x427a37
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 0x4279a1
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x427a53
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x53be28]
dec ecx
jne 0x427a41
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x428228
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 0x428304
cmp word [ecx], bx
je 0x428304
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 0x428304
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, ebx
jbe 0x4282fa
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 0x4282fa
lea ecx, [ebp - 0x14]
call fcn.00428340
test eax, eax
je 0x4282fa
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 0x4282fa
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 0x4282fa
mov edx, dword [ebp - 4]
call fcn.0042830b
test eax, eax
jge 0x4282fa
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 0x42830b
Capabilities:
Encode data using xor

Disassembly:
test edx, edx
je 0x42833a
test esi, esi
jbe 0x42833a
mov ecx, esi
shr ecx, 2
push 0
pop eax
je 0x428329
xor dword [edx + eax*4], 0x132218e8
inc eax
cmp eax, ecx
jb 0x42831d
shl eax, 2
jmp 0x428333
xor byte [eax + edx], 0x24
inc eax
cmp eax, esi
jb 0x42832e
xor eax, eax
ret
mov eax, 0x80004005
ret