Function at 0x4153ba
Capabilities:
Copy file
Delete file
Encode data using xor
Get common file path
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, 0x10ba0
call fcn.00454df0
push esi
push edi
lea eax, [esp + 0x320]
call fcn.00414212
lea eax, [esp + 0x38]
call fcn.00414fd6
push 0
push dword [ebx + 4]
xor edi, edi
push dword [ebx]
inc edi
mov dword [esp + 0x28], edi
call fcn.00452925
add esp, 0xc
lea eax, [esp + 0x998]
push eax
push dword [ebp + 8]
mov esi, ebx
call fcn.00415817
test eax, eax
je 0x415415
push 6
pop eax
jmp 0x41569f
push dword [ebx]
lea eax, [esp + 0x13]
push edi
push edi
push eax
call fcn.00452f80
push dword [ebx]
lea eax, [esp + 0x28]
push edi
push 4
pop esi
push esi
push eax
call fcn.00452f80
push dword [ebx]
mov edi, dword [esp + 0x38]
push 1
lea eax, [esp + 0x3c]
push esi
xor edi, 0x87bc
push eax
mov dword [esp + 0x48], edi
call fcn.00452f80
push dword [ebx]
lea eax, [esp + 0x48]
push 1
push esi
push eax
call fcn.00452f80
mov eax, dword [esp + 0x54]
add esp, 0x40
push dword [ebx]
xor eax, 0xa685
push 1
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x3c]
push esi
push eax
call fcn.00452f80
push dword [ebx]
lea eax, [esp + 0x44]
push 1
push esi
push eax
call fcn.00452f80
push dword [ebx]
lea eax, [esp + 0x50]
push 1
push esi
push eax
call fcn.00452f80
push dword [ebx]
lea eax, [esp + 0x5c]
push 1
push esi
push eax
call fcn.00452f80
add esp, 0x40
lea eax, [esp + 0x788]
push eax
push 0x104
call dword [sym.imp.KERNEL32.DLL_GetTempPathW]
lea eax, [esp + 0x110]
push eax
push 0
push 0x46d570
lea eax, [esp + 0x794]
push eax
call dword [sym.imp.KERNEL32.DLL_GetTempFileNameW]
lea eax, [esp + 0x110]
push 0x46d578
push eax
call fcn.0045288b
test eax, eax
pop ecx
pop ecx
mov dword [esp + 0x20], eax
jne 0x415502
push 9
jmp 0x41540f
mov eax, dword [ebx + 8]
add eax, 0x2477
push eax
lea esi, [esp + 0x3c]
call fcn.00415116
xor esi, esi
cmp edi, esi
mov dword [esp + 0x10], esi
jle 0x4155b0
jmp 0x415528
mov edi, dword [esp + 0x18]
mov eax, dword [esp + 0x10]
add eax, 0x10000
cmp eax, edi
jle 0x41553d
mov esi, edi
sub esi, dword [esp + 0x10]
jmp 0x415542
mov esi, 0x10000
push dword [ebx]
add dword [esp + 0x14], esi
push esi
lea eax, [esp + 0xbb0]
push 1
push eax
call fcn.00452f80
add esp, 0x10
xor edi, edi
test esi, esi
jle 0x415577
lea eax, [esp + 0x38]
push eax
call fcn.004150e8
xor byte [esp + edi + 0xba8], al
inc edi
cmp edi, esi
jl 0x415561
push esi
lea eax, [esp + 0xbac]
push eax
lea edi, [esp + 0x24]
call fcn.004141be
push dword [esp + 0x20]
lea eax, [esp + 0xbac]
push esi
push 1
push eax
call fcn.00452b74
mov eax, dword [esp + 0x20]
add esp, 0x10
cmp eax, dword [esp + 0x18]
jl 0x415524
xor esi, esi
push dword [esp + 0x20]
call fcn.00452c68
mov eax, dword [esp + 0x20]
cmp dword [esp + 0x28], eax
pop ecx
je 0x4155dc
push 0xa
pop esi
lea eax, [esp + 0x110]
push eax
call dword [sym.imp.KERNEL32.DLL_DeleteFileW]
mov eax, esi
jmp 0x41569f
cmp byte [esp + 0xf], 1
jne 0x415639
lea eax, [esp + 0x320]
call fcn.00414212
lea eax, [esp + 0x110]
push eax
lea eax, [esp + 0x348]
push eax
mov dword [esp + 0x33c], esi
mov dword [esp + 0x340], esi
call fcn.0044f88d
push dword [ebp + 0xc]
lea eax, [esp + 0x55a]
push eax
call fcn.0044f88d
add esp, 0x10
lea eax, [esp + 0x320]
call fcn.00414240
test eax, eax
je 0x415656
push 0xb
jmp 0x4155c6
push esi
push dword [ebp + 0xc]
lea eax, [esp + 0x118]
push eax
call dword [sym.imp.KERNEL32.DLL_CopyFileW]
test eax, eax
jne 0x415656
push 7
jmp 0x4155c6
lea eax, [esp + 0x110]
push eax
call dword [sym.imp.KERNEL32.DLL_DeleteFileW]
push esi
push 0x80
push 3
push esi
push 1
push 0x40000000
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.DLL_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
je 0x41569d
lea eax, [esp + 0x28]
push eax
push esi
lea eax, [esp + 0x38]
push eax
push edi
call dword [sym.imp.KERNEL32.DLL_SetFileTime]
push edi
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8