Function at 0x4b8500
Capabilities:
Check if file exists
Delete file
Get file attributes
Get file size
Move file
Set file attributes
Timestomp file

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x540308
push eax
mov dword fs:[0], esp
sub esp, 0x54
push ebx
push ebp
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
xor ebp, ebp
push edi
mov dword [0x593b9c], ebp
call esi
mov edi, dword [esp + 0x74]
mov dword [0x593ba4], eax
cmp edi, ebp
je 0x4b898e
cmp word [edi], bp
je 0x4b898e
mov ebx, dword [esp + 0x78]
cmp ebx, ebp
je 0x4b898e
cmp word [ebx], bp
je 0x4b898e
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push edi
call esi
test al, 0x10
mov dword [esp + 0x24], eax
je 0x4b858b
mov dword [0x593b9c], 0x1d
mov dword [0x593ba0], 0x97
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4b89a4
push ebx
call esi
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4b85b9
test bl, 0x10
je 0x4b85b9
mov dword [0x593b9c], 0x1e
mov dword [0x593ba0], 0xa1
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4b89a4
mov ecx, dword [0x54a4b4]
mov eax, 1
mov dword [esp + 0x1c], eax
mov dword [esp + 0x10], ecx
mov ecx, dword [esp + 0x88]
mov dword [esp + 0x6c], ebp
cmp ecx, ebp
mov dword [esp + 0x14], ebp
mov dword [esp + 0x18], ebp
mov dword [esp + 0x20], ebp
je 0x4b85f6
mov ecx, dword [esp + 0x8c]
mov dword [esp + 0x74], eax
cmp ecx, ebp
jne 0x4b85fa
mov dword [esp + 0x74], ebp
cmp ebx, 0xffffffff
jne 0x4b8603
mov dword [esp + 0x74], ebp
mov ecx, dword [esp + 0x94]
mov eax, 5
cmp ecx, ebp
je 0x4b8618
mov eax, 7
push ebp
push 0x80
push 3
push ebp
push eax
push SysReAllocStringLen
push edi
call fcn.004bc0c0
mov ebp, eax
add esp, 0x1c
cmp ebp, 0xffffffff
je 0x4b88a4
xor edx, edx
cmp ebx, 0xffffffff
setne dl
mov esi, edx
test esi, esi
je 0x4b8709
mov ecx, 8
xor eax, eax
lea edi, [esp + 0x44]
mov dword [esp + 0x40], 0
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0x78]
lea eax, [esp + 0x40]
push eax
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesExW]
test eax, eax
je 0x4b86f7
mov eax, dword [esp + 0x60]
test eax, eax
jne 0x4b8688
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x4b86f7
mov ecx, dword [0x593ba8]
lea edx, [esp + 0x10]
push ecx
push edx
push 0x5751c4
push edi
call fcn.004bbd90
add esp, 0x10
test eax, eax
je 0x4b86d8
mov eax, dword [esp + 0x10]
push 2
push eax
push edi
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
je 0x4b86c2
mov dword [esp + 0x14], 1
jmp 0x4b86f7
mov dword [0x593b9c], 0x28
mov dword [0x593ba0], 0xe5
jmp 0x4b86ec
mov dword [0x593b9c], 0x24
mov dword [0x593ba0], 0xec
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593ba4], eax
test bl, 1
je 0x4b870d
and ebx, 0xfffffffe
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
jmp 0x4b870d
mov edi, dword [esp + 0x78]
push 0
push 0x80
push 4
push 0
push 0
push 0xc0000000
push edi
call fcn.004bc0c0
mov edi, eax
add esp, 0x1c
cmp edi, 0xffffffff
je 0x4b88c5
xor eax, eax
cmp esi, eax
je 0x4b87b4
cmp dword [esp + 0x14], eax
je 0x4b87b4
mov ecx, dword [esp + 0x10]
push eax
push 0x80
push 4
push eax
push 7
push SysReAllocStringLen
push ecx
call fcn.004bc0c0
mov esi, eax
add esp, 0x1c
cmp esi, 0xffffffff
je 0x4b87b2
mov eax, dword [esp + 0x74]
xor ebx, ebx
cmp eax, ebx
je 0x4b87ab
lea edx, [esp + 0x94]
mov dword [esp + 0x94], ebx
push edx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
jne 0x4b8790
cmp dword [esp + 0x94], ebx
je 0x4b87a7
cmp dword [esp + 0x88], 1
jne 0x4b87ab
push esi
call fcn.00473920
add esp, 4
test eax, eax
je 0x4b87ab
mov dword [esp + 0x74], ebx
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
mov bl, byte [esp + 0x90]
test bl, 1
je 0x4b8804
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], eax
mov dword [esp + 0x30], eax
mov dword [esp + 0x34], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x28]
lea ecx, [esp + 0x30]
push eax
lea edx, [esp + 0x3c]
push ecx
push edx
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileTime]
lea eax, [esp + 0x28]
lea ecx, [esp + 0x30]
push eax
lea edx, [esp + 0x3c]
push ecx
push edx
push edi
call dword [sym.imp.KERNEL32.dll_SetFileTime]
test bl, 4
je 0x4b881c
lea eax, [esp + 0x20]
lea ecx, [esp + 0x18]
push eax
push ecx
push ebp
call fcn.004bb8b0
add esp, 0xc
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebp
call esi
mov eax, dword [esp + 0x98]
test eax, eax
je 0x4b8837
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
push edi
mov dword [esp + 0x20], 0
call esi
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4b8860
mov edx, dword [esp + 0x20]
push edx
push eax
mov eax, dword [esp + 0x80]
push eax
call fcn.004bbb30
add esp, 0xc
test bl, 2
je 0x4b8875
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x78]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4b892f
mov eax, dword [esp + 0x74]
test eax, eax
je 0x4b8970
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0x8c]
push 0x103
push eax
push ecx
jmp 0x4b8927
mov dword [0x593b9c], 3
mov dword [0x593ba0], 0xce
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593ba4], eax
jmp 0x4b892f
mov dword [0x593b9c], 4
mov dword [0x593ba0], 0x102
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ebp
mov dword [0x593ba4], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4b892f
mov ecx, dword [esp + 0x78]
mov edx, dword [esp + 0x10]
push 3
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
jne 0x4b892f
mov eax, dword [esp + 0x84]
mov dword [esp + 0x1c], 0xffffffff
test eax, eax
je 0x4b892f
mov ecx, dword [esp + 0x10]
push 0x103
push ecx
push eax
call fcn.00422de4
add esp, 0xc
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4b8948
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x18], 0
lea ecx, [esp + 0x10]
mov dword [esp + 0x6c], 0xffffffff
call fcn.0043bde0
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x54]
mov dword fs:[0], ecx
add esp, 0x60
ret
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x4b892f
mov eax, dword [esp + 0x10]
push eax
call fcn.004bbbb0
add esp, 4
jmp 0x4b892f
mov dword [0x593b9c], 1
mov dword [0x593ba0], 0x8f
call esi
mov ecx, dword [esp + 0x64]
pop edi
pop esi
mov dword [0x593ba4], eax
pop ebp
mov eax, 1
pop ebx
mov dword fs:[0], ecx
add esp, 0x60
ret