Function at 0x405849
Capabilities:
Get common file path
Get disk information
Get disk size
Set current directory

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x32c
mov eax, dword [section..data]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
lea eax, [ebp - 0x310]
mov dword [ebp - 0x318], edx
push eax
push 0x104
mov esi, ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
push esi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
xor ebx, ebx
test eax, eax
jne 0x4058a9
push ebx
push 0x10
push ebx
push ebx
mov edx, 0x4bc
xor ecx, ecx
call fcn.00404327
call fcn.0040613c
mov dword [0x409a88], eax
xor eax, eax
jmp 0x405ae7
push edi
lea eax, [ebp - 0x324]
mov dword [ebp - 0x31c], ebx
push eax
lea eax, [ebp - 0x320]
mov dword [ebp - 0x314], ebx
push eax
lea eax, [ebp - 0x314]
mov dword [ebp - 0x320], ebx
push eax
lea eax, [ebp - 0x31c]
mov dword [ebp - 0x324], ebx
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
test eax, eax
je 0x405a7a
mov edi, dword [ebp - 0x314]
imul edi, dword [ebp - 0x31c]
push 0x400
push dword [ebp - 0x320]
push edi
call dword [sym.imp.KERNEL32.dll_MulDiv]
mov dword [ebp - 0x314], eax
test eax, eax
je 0x405a7a
push ebx
push ebx
lea eax, [ebp - 0x328]
push eax
lea eax, [ebp - 0x32c]
push eax
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
test eax, eax
jne 0x405988
push 0x1ff
lea eax, [ebp - 0x20b]
mov byte [ebp - 0x20c], bl
push ebx
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
call fcn.0040613c
push ebx
mov dword [0x409a88], eax
lea eax, [ebp - 0x20c]
push 0x200
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push ebx
push 0x1000
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov edx, 0x4f9
jmp 0x405ac5
lea eax, [ebp - 0x310]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
lea ecx, [ebp - 0xc]
push 6
mov eax, ecx
pop edx
sub esi, eax
lea eax, [edx - 4]
test eax, eax
je 0x4059b3
mov al, byte [esi + ecx]
test al, al
je 0x4059b3
mov byte [ecx], al
inc ecx
dec edx
jne 0x40599f
test edx, edx
jne 0x4059b8
dec ecx
push 8
mov byte [ecx], bl
mov eax, ebx
mov ecx, 0x200
pop edx
cmp edi, ecx
je 0x4059d0
add ecx, ecx
inc eax
cmp ax, dx
jb 0x4059c4
cmp ax, dx
jne 0x4059eb
push ebx
push 0x10
push ebx
push ebx
mov edx, 0x4c5
xor ecx, ecx
call fcn.00404327
jmp 0x405ae4
test byte [0x409a74], 8
je 0x405a1d
test dword [ebp - 0x328], 0x8000
je 0x405a1d
mov ecx, dword [0x409a78]
movzx eax, ax
shr ecx, 2
mov edx, dword [eax*4 + 0x408900]
add edx, edx
add ecx, dword [0x409a78]
jmp 0x405a2d
mov ecx, dword [0x409a78]
movzx eax, ax
mov edx, dword [eax*4 + 0x408900]
mov eax, dword [ebp - 0x318]
and eax, 1
je 0x405a4c
test byte [ebp - 0x318], 2
je 0x405a4c
lea eax, [ecx + edx]
cmp eax, dword [ebp - 0x314]
jmp 0x405a5e
test eax, eax
je 0x405a58
cmp edx, dword [ebp - 0x314]
jmp 0x405a5e
cmp ecx, dword [ebp - 0x314]
jbe 0x405a6f
lea eax, [ebp - 0xc]
push eax
push ecx
mov ecx, dword [ebp + 8]
call fcn.004024ee
jmp 0x405ae6
xor eax, eax
mov dword [0x409a88], ebx
inc eax
jmp 0x405ae6
push 0x1ff
lea eax, [ebp - 0x20b]
mov byte [ebp - 0x20c], bl
push ebx
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
call fcn.0040613c
push ebx
mov dword [0x409a88], eax
lea eax, [ebp - 0x20c]
push 0x200
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push ebx
push 0x1000
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov edx, 0x4b0
push ebx
push 0x10
lea eax, [ebp - 0x20c]
xor ecx, ecx
push eax
push esi
call fcn.00404327
lea eax, [ebp - 0x310]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
xor eax, eax
pop edi
mov ecx, dword [ebp - 4]
pop esi
xor ecx, ebp
pop ebx
call fcn.00406c20
mov esp, ebp
pop ebp
ret 4