Function at 0x622ab0
Capabilities:
Enumerate disk volumes
Get disk information
Get disk size
Get file size

Disassembly:
push ebp
push edi
push esi
push ebx
sub esp, 0x9c
mov eax, dword [esp + 0xb4]
mov dword [esp + 0x30], eax
mov eax, dword [esp + 0xb8]
mov dword [esp + 0x34], eax
shr eax, 0x1f
jne 0x622da0
cmp dword [esp + 0xb0], 0xffffffff
je 0x622da0
mov eax, dword [esp + 0xb0]
mov dword [esp], eax
call sub.msvcrt.dll__get_osfhandle
mov edi, eax
cmp eax, 0xffffffff
je 0x622dc0
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
sub esp, 4
cmp eax, 1
jne 0x622dc0
mov eax, dword [esp + 0xb0]
mov dword [esp], eax
call sub.msvcrt.dll__telli64
mov dword [esp + 0x38], eax
and eax, edx
mov dword [esp + 0x3c], edx
cmp eax, 0xffffffff
je 0x622da0
mov eax, dword [esp + 0x30]
mov dword [esp], edi
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x50]
mov dword [esp + 4], eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
sub esp, 8
test eax, eax
je 0x622e2b
mov eax, dword [esp + 0x2c]
cmp eax, dword [esp + 0x54]
jae 0x622c00
mov eax, dword [esp + 0x34]
mov dword [esp + 0xc], 0
mov edx, dword [esp + 0x30]
mov dword [esp], edi
mov dword [esp + 0x5c], eax
lea eax, [esp + 0x5c]
mov dword [esp + 0x58], edx
mov dword [esp + 8], eax
mov dword [esp + 4], edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
sub esp, 0x10
cmp eax, 0xffffffff
je 0x622d70
mov dword [esp], edi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
sub esp, 4
test eax, eax
je 0x622da0
mov eax, dword [esp + 0x38]
mov dword [esp + 0xc], 0
mov dword [esp + 4], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 8], eax
mov eax, dword [esp + 0xb0]
mov dword [esp], eax
call sub.msvcrt.dll__lseeki64
and eax, edx
cmp eax, 0xffffffff
je 0x622da0
xor eax, eax
add esp, 0x9c
pop ebx
pop esi
pop edi
pop ebp
ret
jbe 0x622de0
lea eax, [esp + 0x58]
mov dword [esp], edi
mov dword [esp + 4], eax
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
sub esp, 8
test eax, eax
je 0x622e3c
mov dword [esp + 4], 2
mov dword [esp], 0x33
call sub.msvcrt.dll_calloc
mov dword [esp + 4], 2
mov dword [esp], 0x106
mov ebx, eax
call sub.msvcrt.dll_calloc
mov ebp, eax
test eax, eax
je 0x622e2b
test ebx, ebx
je 0x622e2b
mov dword [esp + 4], 0x32
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_FindFirstVolumeW]
sub esp, 8
mov esi, eax
jmp 0x622ca0
mov dword [esp + 8], 0x32
mov dword [esp + 4], ebx
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_FindNextVolumeW]
sub esp, 0xc
test eax, eax
je 0x622e10
lea eax, [esp + 0x44]
mov dword [esp + 0x1c], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], eax
mov dword [esp + 8], 0x105
mov dword [esp + 4], ebp
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationW]
sub esp, 0x20
mov eax, dword [esp + 0x44]
cmp dword [esp + 0x74], eax
jne 0x622c80
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_FindVolumeClose]
sub esp, 4
mov dword [esp], ebp
call fcn.0062e160
lea eax, [esp + 0x48]
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
mov dword [esp + 4], eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExW]
sub esp, 0x10
mov esi, eax
mov dword [esp], ebx
call fcn.0062e160
test esi, esi
je 0x622d4a
mov eax, dword [esp + 0x28]
mov edx, dword [esp + 0x2c]
sub eax, dword [esp + 0x50]
sbb edx, dword [esp + 0x54]
cmp edx, dword [esp + 0x4c]
jbe 0x622df3
mov dword [esp], 0x1b
call fcn.006260e0
lea esi, [esi]
lea edi, [edi]
mov eax, 0xffffffff
jmp 0x622bf3
cmp dword [esp + 0x58], 0xffffffff
je 0x622bab
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x83
jne 0x622da0
mov dword [esp], 0x1b
call fcn.006260e0
mov eax, 0xffffffff
jmp 0x622bf3
mov dword [esp], 0x16
call fcn.006260e0
add esp, 0x9c
mov eax, 0xffffffff
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp], 9
call fcn.006260e0
add esp, 0x9c
mov eax, 0xffffffff
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, dword [esp + 0x28]
cmp eax, dword [esp + 0x50]
jbe 0x622b72
jmp 0x622c06
jb 0x622b72
cmp eax, dword [esp + 0x48]
ja 0x622d4a
jmp 0x622b72
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_FindVolumeClose]
sub esp, 4
mov dword [esp], ebx
xor ebx, ebx
call fcn.0062e160
jmp 0x622cf6
mov dword [esp], 9
call fcn.006260e0
jmp 0x622d60
mov dword [esp], 0x16
call fcn.006260e0
jmp 0x622d60