joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4142aa
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 0x4142f7
inc dword [ebp - 4]
mov dword [eax], edi
add eax, 4
cmp dword [ebp - 4], 0x100
jb 0x4142ed
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.004123fc
mov ebx, esi
call fcn.004124ff
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 0x4143ae
push ebx
push dword [ebp - 4]
lea eax, [edi + esi + 0x306a0]
push eax
call fcn.004ef140
add esp, 0xc
add edi, ebx
inc dword [ebp - 4]
cmp dword [ebp - 4], 0x16
jl 0x414389
push 8
pop edi
mov edx, 0x10000
push 4
mov eax, edi
xor ecx, ecx
pop ebx
imul eax, eax
add ecx, ecx
jmp 0x4143d0
shr eax, 1
inc ecx
cmp eax, edx
jae 0x4143cd
dec ebx
jne 0x4143c6
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 0x4143bf
and dword [esi + 0x325ac], ebx
and dword [esi + 0x3bd14], ebx
pop edi
pop ebx
leave
ret

Function at 0x414e36
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.004f2627
mov ecx, dword [ebp + 8]
add esp, 0x18
test eax, eax
mov dword [ecx], eax
je 0x414e5f
xor eax, eax
leave
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x414e6a
inc eax
leave
ret
Function at 0x41845a
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
mov eax, 0x50d507
call fcn.0050c738
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.0040a419
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop esi
mov dword fs:[0], ecx
leave
ret 4
Function at 0x420fe9
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50dfdf
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.0040d358
push 0xe
lea ecx, [esp + 0x10]
mov dword [esp + 0x30], ebx
call fcn.00420f65
pop ecx
push 0xf
lea ecx, [esp + 0x10]
call fcn.00420f65
pop ecx
push 0x11
push esi
lea edi, [esp + 0x14]
call fcn.00420f21
push 0x10
push esi
call fcn.00420f21
push 9
push esi
call fcn.00420f21
push 6
push esi
call fcn.00420f21
push 0x12
push esi
call fcn.00420f21
push 0x14
push esi
call fcn.00420f21
push 0x13
push esi
call fcn.00420f21
push 0x15
push esi
call fcn.00420f21
add esp, 0x40
push 0xa
push esi
call fcn.00420f21
push 0x16
push esi
call fcn.00420f21
add esp, 0x10
mov eax, esi
call fcn.0040d5ef
push ebx
push 0x61
call fcn.0040c530
push ebx
push 0x62
call fcn.0040c530
push ebx
push 0x63
call fcn.0040c530
push 0x14
mov eax, esi
call fcn.00420f9b
pop ecx
push 6
mov eax, esi
call fcn.00420f9b
pop ecx
push 9
mov eax, esi
call fcn.00420f9b
pop ecx
push 0x11
mov eax, esi
call fcn.00420f9b
or dword [esp + 0x30], 0xffffffff
pop ecx
mov ecx, edi
call fcn.00415006
mov ecx, dword [esp + 0x24]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x424b5f
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x50f005
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.00405d5b
mov esi, ebx
call fcn.0042598e
push dword [ebx]
call fcn.00406046
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 0x424bdf
cmp dword [esp + 0x30], edi
je 0x424be4
call fcn.004eeace
cmp dword [esp + 0x34], esi
je 0x424cdb
lea esi, [esp + 0x30]
call fcn.00425fef
mov dword [esp + 0x14], eax
call fcn.00425fef
mov esi, eax
push 0x53c7f8
push dword [esp + 0x18]
add esi, 4
mov dword [esp + 0x28], esi
call fcn.00405456
test eax, eax
je 0x424c5a
push dword [esp + 0x14]
lea eax, [esp + 0x20]
push eax
mov ecx, ebx
call fcn.0040638e
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.004058d0
push dword [esp + 0x10]
call fcn.00406046
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 0x424c7b
cmp dword [esp + 0x28], esi
je 0x424c80
call fcn.004eeace
mov eax, dword [esp + 0x3c]
cmp dword [esp + 0x2c], eax
je 0x424ccd
cmp dword [esp + 0x28], 0
jne 0x424c96
call fcn.004eeace
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x28]
cmp eax, dword [ecx + 4]
jne 0x424ca8
call fcn.004eeace
mov eax, dword [esp + 0x2c]
push dword [ebx]
mov ebx, dword [eax + 8]
call fcn.0042545d
lea esi, [esp + 0x28]
call fcn.00426b05
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x24]
mov edi, dword [esp + 0x18]
jmp 0x424c67
lea esi, [esp + 0x30]
call fcn.004264ba
jmp 0x424bcf
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.004058d0
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 0x42505d
Capabilities:
Copy file

Disassembly:
mov eax, 0x50efeb
call fcn.0050c738
mov eax, dword [ebx + 0x14]
sub esp, 0x14
cmp eax, 0xffffffff
push esi
push edi
je 0x4251b3
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.0040638e
pop ecx
pop ecx
and dword [ebp - 4], 0
lea ecx, [ebp - 0x18]
call fcn.00425a1c
test eax, eax
je 0x4251a8
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.00425ac0
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.004058d0
push dword [ebp - 0x18]
lea eax, [ebp - 0x1c]
push eax
call fcn.00425b58
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.004058d0
mov eax, edi
push eax
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0x14]
call fcn.0040638e
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.004058d0
test esi, esi
mov edi, dword [ebp - 0x10]
je 0x425195
push ecx
lea eax, [edi - 0x10]
mov dword [ebp - 0x20], esp
mov esi, esp
call fcn.004058e8
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.0040638e
pop ecx
pop ecx
mov byte [ebp - 4], 6
push eax
mov byte [ebp - 4], 7
call fcn.00425bb1
mov eax, dword [ebp - 0x1c]
pop ecx
pop ecx
add eax, 0xfffffff0
call fcn.004058d0
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
call fcn.004058d0
lea eax, [edi - 0x10]
call fcn.004058d0
mov eax, dword [ebp - 0x18]
add eax, 0xfffffff0
call fcn.004058d0
mov ecx, dword [ebp - 0xc]
or dword [ebx + 0x14], 0xffffffff
pop edi
mov dword fs:[0], ecx
pop esi
leave
ret
Function at 0x4256cd
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 0x425709
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425805
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 0x425737
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 0x425742
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4257d1
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 0x425763
cmp dword [ebp - 0x18], ebx
je 0x425768
call fcn.004eeace
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x14], eax
je 0x4257c1
lea esi, [ebp - 0x18]
call fcn.00451a4f
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x425785
xor eax, eax
jmp 0x42578a
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409e59
push eax
push dword [ebp - 4]
call fcn.004f0fb0
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, edi
jne 0x4257a7
xor esi, esi
jmp 0x4257ac
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp - 4], esi
lea edi, [ebp - 0x28]
lea esi, [ebp - 0x18]
call fcn.0042600f
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x425753
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 0x4257e1
push dword [ebp - 8]
call ebx
push dword [ebp - 0x10]
call ebx
cmp dword [ebp - 4], edi
je 0x425805
push dword [ebp + 0xc]
mov eax, esi
call fcn.0042580f
cmp eax, edi
mov dword [ebp - 4], eax
jne 0x425805
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 0x42580f
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 0x42584d
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x425932
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 0x42586e
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42591d
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 0x42588e
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x42590f
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 0x4258ac
cmp dword [ebp - 0x1c], ebx
je 0x4258b1
call fcn.004eeace
cmp dword [ebp - 0x18], esi
je 0x425908
lea esi, [ebp - 0x1c]
call fcn.00451a4f
mov esi, dword [eax]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x4258cb
xor eax, eax
jmp 0x4258d0
mov eax, dword [esi + 8]
sub eax, ecx
push eax
call fcn.00409e59
push eax
push dword [ebp + 8]
call fcn.004ec944
add esp, 0xc
test eax, eax
jne 0x42590f
mov eax, dword [esi + 4]
cmp eax, edi
jne 0x4258f1
xor esi, esi
jmp 0x4258f6
mov esi, dword [esi + 8]
sub esi, eax
add dword [ebp + 8], esi
lea edi, [ebp - 0x24]
lea esi, [ebp - 0x1c]
call fcn.0042600f
xor edi, edi
jmp 0x42589f
mov dword [ebp - 0x10], 1
cmp dword [ebp - 8], edi
je 0x42591d
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 0x42592d
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 0x4259cb
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 0x425a02
mov eax, dword [ebp - 4]
add ebx, eax
sub dword [ebp - 8], eax
je 0x425a0e
push 0
lea eax, [ebp - 4]
push eax
push dword [ebp - 8]
push ebx
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4259ef
jmp 0x425a15
mov dword [ebp - 0xc], 1
mov eax, dword [ebp - 0xc]
pop esi
pop ebx
leave
ret
Function at 0x425ac0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20c
and dword [ebp - 4], 0
test byte [0x55ed04], 1
jne 0x425afd
mov eax, dword [0x55daac]
or dword [0x55ed04], 1
mov ecx, 0x55daac
call dword [eax + 0xc]
add eax, 0x10
push 0x5117ca
mov dword [0x55ed00], eax
call fcn.004f07b4
pop ecx
mov eax, dword [0x55ed00]
cmp dword [eax - 0xc], 0
jne 0x425b47
push 0x104
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x425b42
push esi
lea eax, [ebp - 0x20c]
push eax
mov esi, 0x55ed00
push esi
call fcn.00405d5b
call fcn.0042598e
push str.drivers_
push esi
call fcn.0040619d
pop esi
mov eax, dword [0x55ed00]
add eax, 0xfffffff0
call fcn.004058e8
add eax, 0x10
mov dword [edi], eax
mov eax, edi
leave
ret

Function at 0x42755c
Capabilities:
Delete file
Set file attributes

Disassembly:
push 0
push dword [esp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
jne 0x42756f
xor al, al
ret
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
setne al
ret

Function at 0x4278b1
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 0x4278ce
mov eax, dword [ebp - 4]
jmp 0x4279a8
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 0x427983
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 0x4278ed
pop ebp
mov ecx, dword [ebp + 0x10]
xor edx, edx
and ecx, 7
je 0x42799f
mov dl, byte [esi]
inc esi
xor dl, al
shr eax, 8
xor eax, dword [edx*4 + 0x53be28]
dec ecx
jne 0x42798d
xor eax, 0xffffffff
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
leave
ret
Function at 0x428185
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 0x428261
cmp word [ecx], bx
je 0x428261
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 0x428261
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, ebx
jbe 0x428257
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 0x428257
lea ecx, [ebp - 0x14]
call fcn.0042829d
test eax, eax
je 0x428257
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 0x428257
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 0x428257
mov edx, dword [ebp - 4]
call fcn.00428268
test eax, eax
jge 0x428257
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 0x428268
Capabilities:
Encode data using xor

Disassembly:
test edx, edx
je 0x428297
test esi, esi
jbe 0x428297
mov ecx, esi
shr ecx, 2
push 0
pop eax
je 0x428286
xor dword [edx + eax*4], 0x132218e8
inc eax
cmp eax, ecx
jb 0x42827a
shl eax, 2
jmp 0x428290
xor byte [eax + edx], 0x24
inc eax
cmp eax, esi
jb 0x42828b
xor eax, eax
ret
mov eax, 0x80004005
ret
Function at 0x4284c0
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 0x4285d5
push 0x10
lea eax, [ebp - 0x30]
push edi
push eax
call fcn.004f0fb0
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 0x428532
test esi, esi
jle 0x428574
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 0x42851c
jmp 0x428574
and dword [ebp - 4], 0
test esi, esi
jle 0x428574
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 0x428552
mov ebx, dword [ebp + 0xc]
and ebx, 0x80000007
jns 0x428584
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 0x4285a9
push 0x10
push eax
push edi
call fcn.004f0fb0
add esp, 0xc
jmp 0x4285d5
mov dword [ebp - 8], 8
xor esi, esi
sub dword [ebp - 8], ebx
jmp 0x4285ba
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 0x4285b7
pop esi
pop ebx
leave
ret

Function at 0x4287bf
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
mov eax, 0x50e997
call fcn.0050c738
push ecx
push ebx
push esi
push edi
push dword [ebp + 8]
lea eax, [ebp - 0x10]
push eax
call fcn.00405b40
push dword [ebp + 8]
and dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x42880a
xor esi, esi
inc esi
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
call fcn.004058d0
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 0x4287eb
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
call edi
mov ebx, 0xb7
cmp eax, ebx
je 0x4287eb
lea ecx, [ebp - 0x10]
call fcn.004286e5
mov eax, dword [ebp - 0x10]
cmp dword [eax - 0xc], 0
jne 0x428841
xor esi, esi
jmp 0x4287ee
push eax
call fcn.004287bf
test eax, eax
pop ecx
je 0x42883d
push 0
push dword [ebp + 8]
call esi
test eax, eax
jne 0x4287eb
call edi
cmp eax, ebx
jne 0x42883d
jmp 0x4287eb
Function at 0x42885f
Capabilities:
Create process on windows

Disassembly:
mov eax, 0x50e997
call fcn.0050c738
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.004ef140
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 [0x55daac]
xor edi, edi
inc edi
add esp, 0xc
mov ecx, 0x55daac
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 0x53dadc
call fcn.00406450
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 0x428905
cmp dword [ebp + 0x10], ebx
je 0x428902
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 0x428918
push dword [ebp - 0x24]
call edi
mov dword [ebp - 0x24], ebx
cmp dword [ebp - 0x20], ebx
je 0x428925
push dword [ebp - 0x20]
call edi
mov dword [ebp - 0x20], ebx
lea eax, [esi - 0x10]
call fcn.004058d0
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x14]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret