Function at 0x420a40
Capabilities:
Create thread
Encode data using xor
Set file attributes
Terminate process

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x59af86
mov eax, dword fs:[0]
push eax
sub esp, 0x15c
push ebx
push esi
push edi
mov eax, dword [0x6dd8d0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
cmp dword [0x6ee264], 1
jne 0x420ba9
push 1
push 0x40
push 8
push 0x5b1194
lea ecx, [ebp - 0x168]
call fcn.0040c520
mov dword [ebp - 0x10], 0x5b0fe8
mov ebx, dword [ebp - 0x10]
mov edi, dword [ebp - 0x10]
add edi, 0x14
mov dword [ebp - 4], 0
cmp byte [ebx + 0x13], 0
je 0x420aea
mov esi, dword [ebx + 0xf]
lea eax, [esi + 1]
push eax
call dword [sym.imp.MSVCR120.dll_malloc]
add esp, 4
mov ecx, eax
xor edx, edx
mov dword [ebp - 0x10], ecx
test esi, esi
je 0x420ae1
sub edi, ecx
mov eax, edx
add ecx, edx
and eax, 7
inc edx
mov al, byte [eax + ebx + 7]
xor al, byte [edi + ecx]
mov byte [ecx], al
mov ecx, dword [ebp - 0x10]
cmp edx, dword [ebx + 0xf]
jb 0x420ac8
mov eax, dword [ebx + 0xf]
mov edi, ecx
mov byte [ecx + eax], 0
lea eax, [ebp - 0x168]
push edi
push eax
call fcn.0040afa0
mov dword [ebp - 0x10], 0x5b100c
add esp, 8
mov ebx, dword [ebp - 0x10]
mov edi, dword [ebp - 0x10]
add edi, 0x14
cmp byte [ebx + 0x13], 0
je 0x420b52
mov esi, dword [ebx + 0xf]
lea eax, [esi + 1]
push eax
call dword [sym.imp.MSVCR120.dll_malloc]
add esp, 4
mov ecx, eax
xor edx, edx
mov dword [ebp - 0x10], ecx
test esi, esi
je 0x420b49
sub edi, ecx
lea ecx, [ecx]
mov eax, edx
add ecx, edx
and eax, 7
inc edx
mov al, byte [eax + ebx + 7]
xor al, byte [edi + ecx]
mov byte [ecx], al
mov ecx, dword [ebp - 0x10]
cmp edx, dword [ebx + 0xf]
jb 0x420b30
mov eax, dword [ebx + 0xf]
mov edi, ecx
mov byte [ecx + eax], 0
lea eax, [ebp - 0x168]
push edi
push eax
call fcn.0040afa0
add esp, 8
lea ecx, [ebp - 0x164]
call fcn.0040a310
test eax, eax
jne 0x420b8b
push eax
mov eax, dword [ebp - 0x168]
lea ecx, [ebp - 0x168]
push 2
mov eax, dword [eax + 4]
add ecx, eax
call dword [sym.imp.MSVCP120.dll_public:_void___thiscall_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool_]
lea ecx, [ebp - 0x108]
mov dword [ebp - 4], 0xffffffff
call fcn.0040c630
lea ecx, [ebp - 0x108]
call dword [sym.imp.MSVCP120.dll_public_virtual:_void___thiscall_std::basic_ios_char__struct_std::char_traits_char__::destructor_void_]
cmp dword [0x6ee274], 1
jne 0x420ce2
lea eax, [ebp - 0x18]
push eax
call dword [sym.imp.MSVCR120.dll__time64]
lea eax, [ebp - 0x18]
push eax
call dword [sym.imp.MSVCR120.dll__localtime64]
add esp, 8
lea ecx, [ebp - 0xc0]
mov esi, eax
push 1
push 0x40
push 8
push 0x5b1048
call fcn.0040c520
lea eax, [ebp - 0xc0]
mov dword [ebp - 4], 1
push 0x5b104c
push eax
call fcn.0040afa0
push esi
call dword [sym.imp.MSVCR120.dll_asctime]
push eax
lea eax, [ebp - 0xc0]
push eax
call fcn.0040afa0
lea eax, [ebp - 0xc0]
push str.ST_Scan:
push eax
call fcn.0040afa0
mov dword [ebp - 0x10], 0x5b106c
add esp, 0x1c
mov edi, dword [ebp - 0x10]
mov ebx, dword [ebp - 0x10]
add ebx, 0x14
cmp byte [edi + 0x13], 0
je 0x420c7a
mov esi, dword [edi + 0xf]
lea eax, [esi + 1]
push eax
call dword [sym.imp.MSVCR120.dll_malloc]
add esp, 4
mov ecx, eax
xor edx, edx
mov dword [ebp - 0x10], ecx
test esi, esi
je 0x420c71
sub ebx, ecx
mov eax, edx
add ecx, edx
and eax, 7
inc edx
mov al, byte [eax + edi + 7]
xor al, byte [ebx + ecx]
mov byte [ecx], al
mov ecx, dword [ebp - 0x10]
cmp edx, dword [edi + 0xf]
jb 0x420c58
mov eax, dword [edi + 0xf]
mov ebx, ecx
mov byte [ecx + eax], 0
lea eax, [ebp - 0xc0]
push ebx
push eax
call fcn.0040afa0
lea eax, [ebp - 0xc0]
push 0x5b10a8
push eax
call fcn.0040afa0
add esp, 0x10
lea ecx, [ebp - 0xbc]
call fcn.0040a310
test eax, eax
jne 0x420cc4
push eax
mov eax, dword [ebp - 0xc0]
lea ecx, [ebp - 0xc0]
push 2
mov eax, dword [eax + 4]
add ecx, eax
call dword [sym.imp.MSVCP120.dll_public:_void___thiscall_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool_]
push 2
push 0x5b10d0
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
lea ecx, [ebp - 0x60]
call fcn.0040c630
lea ecx, [ebp - 0x60]
call dword [sym.imp.MSVCP120.dll_public_virtual:_void___thiscall_std::basic_ios_char__struct_std::char_traits_char__::destructor_void_]
mov eax, dword [0x6ee268]
push 0
cmp eax, 1
jne 0x420d14
push 0
push 0
push 0x420940
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push 0xbb8
call dword [sym.imp.KERNEL32.dll_Sleep]
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]
cmp eax, 2
jne 0x420d24
push 0
push 0
push 0x4208c0
jmp 0x420cf7
cmp eax, 3
jne 0x420d34
push 0
push 0
push 0x4209c0
jmp 0x420cf7
cmp eax, 4
jne 0x420dbd
push 0
push 0
push 0x40f490
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x10], str.wQ:
mov ebx, dword [ebp - 0x10]
mov edi, dword [ebp - 0x10]
add edi, 0x14
cmp byte [ebx + 0x13], 0
je 0x420da5
mov esi, dword [ebx + 0xf]
lea eax, [esi + 1]
push eax
call dword [sym.imp.MSVCR120.dll_malloc]
add esp, 4
mov ecx, eax
xor edx, edx
mov dword [ebp - 0x10], ecx
test esi, esi
je 0x420d9c
sub edi, ecx
mov eax, edx
add ecx, edx
and eax, 7
inc edx
mov al, byte [eax + ebx + 7]
xor al, byte [edi + ecx]
mov byte [ecx], al
mov ecx, dword [ebp - 0x10]
cmp edx, dword [ebx + 0xf]
jb 0x420d83
mov eax, dword [ebx + 0xf]
mov edi, ecx
mov byte [ecx + eax], 0
push 0x200010
push str.ST_Scan
push edi
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
jmp 0x420d0c
jmp 0x420d0e