Function at 0x563fb0
Capabilities:
Check if file exists
Delete file
Get file attributes
Get file size
Read file on windows
Set file attributes
Timestomp file
Write file on windows

Disassembly:
sub esp, 0x34
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetLastError]
push ebp
push esi
push edi
xor edi, edi
mov dword [0x668a28], edi
call ebx
mov dword [0x668a30], eax
mov eax, dword [esp + 0x50]
cmp eax, edi
je 0x563fd6
mov dword [eax], edi
mov esi, dword [esp + 0x48]
cmp esi, edi
je 0x564335
cmp word [esi], di
je 0x564335
mov ebp, dword [esp + 0x4c]
cmp ebp, edi
je 0x564335
cmp word [ebp], di
je 0x564335
mov ebx, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push esi
call ebx
test al, 0x10
mov dword [esp + 0x28], eax
je 0x56403b
mov dword [0x668a28], 0x1d
mov dword [0x668a2c], 0xdda
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x668a30], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x34
ret
push ebp
call ebx
cmp eax, 0xffffffff
mov dword [esp + 0x48], eax
je 0x564074
test al, 0x10
je 0x564074
mov dword [0x668a28], 0x1e
mov dword [0x668a2c], 0xde4
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x668a30], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x34
ret
push edi
push 0x80
push 3
push edi
push 7
push SysReAllocStringLen
push esi
mov dword [esp + 0x30], edi
mov dword [esp + 0x2c], edi
call fcn.00590560
mov ebx, eax
add esp, 0x1c
cmp ebx, 0xffffffff
je 0x564297
mov eax, dword [esp + 0x48]
cmp eax, 0xffffffff
je 0x5640b7
test al, 1
je 0x5640b7
and al, 0xfe
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
push edi
push 0x80
push 4
push edi
push edi
push 0xc0000000
push ebp
call fcn.00590560
mov ebp, eax
add esp, 0x1c
cmp ebp, 0xffffffff
je 0x5642c2
mov ecx, dword [esp + 0x48]
xor eax, eax
cmp ecx, 0xffffffff
lea ecx, [esp + 0x2c]
sete al
mov dword [esp + 0x10], eax
lea edx, [esp + 0x34]
push ecx
lea eax, [esp + 0x40]
push edx
push eax
push ebx
mov dword [esp + 0x4c], edi
mov dword [esp + 0x50], edi
mov dword [esp + 0x44], edi
mov dword [esp + 0x48], edi
mov dword [esp + 0x3c], edi
mov dword [esp + 0x40], edi
call dword [sym.imp.KERNEL32.dll_GetFileTime]
lea ecx, [esp + 0x18]
mov dword [esp + 0x18], edi
push ecx
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edx, dword [esp + 0x18]
push edx
push eax
push ebp
call fcn.00590520
add esp, 0xc
test eax, eax
je 0x5642e6
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push edi
push edi
push edi
push ebx
mov dword [esp + 0x20], 1
call esi
push edi
push edi
push edi
push ebp
call esi
push 0x1000
call fcn.005c8d38
add esp, 4
mov esi, eax
mov dword [esp + 0x20], edi
mov dword [esp + 0x48], edi
mov ecx, 0x400
xor eax, eax
mov edi, esi
rep stosd dword es:[edi], eax
xor edi, edi
lea eax, [esp + 0x1c]
push edi
push eax
push 0x1000
push esi
push ebx
mov dword [esp + 0x30], edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5641b9
mov eax, dword [esp + 0x1c]
cmp eax, edi
je 0x5641cf
lea ecx, [esp + 0x24]
push edi
push ecx
push eax
push esi
push ebp
mov dword [esp + 0x38], edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x5641d9
jmp 0x564170
mov dword [0x668a28], 0xd
mov dword [0x668a2c], 0xe38
jmp 0x5641ed
mov dword [esp + 0x20], 1
jmp 0x564200
mov dword [0x668a28], 0xe
mov dword [0x668a2c], 0xe46
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x668a30], eax
mov dword [esp + 0x48], 1
push esi
call fcn.005c8d61
add esp, 4
push ebp
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
cmp dword [esp + 0x20], edi
je 0x564253
mov eax, dword [esp + 0x48]
test eax, eax
jne 0x564253
mov al, byte [esp + 0x54]
mov dword [esp + 0x14], 1
test al, 1
je 0x564244
lea edx, [esp + 0x2c]
lea eax, [esp + 0x34]
push edx
lea ecx, [esp + 0x40]
push eax
push ecx
push ebp
call dword [sym.imp.KERNEL32.dll_SetFileTime]
mov eax, dword [esp + 0x58]
test eax, eax
je 0x564253
push ebp
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
xor edi, edi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call esi
cmp ebp, 0xffffffff
je 0x564266
push ebp
call esi
cmp dword [esp + 0x14], edi
je 0x56430a
test byte [esp + 0x54], 2
je 0x564329
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x4c]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x34
ret
mov dword [0x668a28], 3
mov dword [0x668a2c], 0xdfc
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x668a30], eax
mov eax, dword [esp + 0xc]
pop ebp
pop ebx
add esp, 0x34
ret
mov dword [0x668a28], 4
mov dword [0x668a2c], 0xe0f
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x668a30], eax
jmp 0x564255
mov dword [0x668a28], 0x25
mov dword [0x668a2c], 0xe22
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x668a30], eax
jmp 0x564255
cmp dword [esp + 0x10], edi
je 0x564329
mov eax, dword [esp + 0x50]
cmp eax, edi
je 0x56431e
mov dword [eax], 1
mov ecx, dword [esp + 0x4c]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x34
ret
mov dword [0x668a28], 1
mov dword [0x668a2c], 0xdd2
call ebx
pop edi
pop esi
mov dword [0x668a30], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x34
ret