How do I extract the hash from a USB

[rarecoil]

So I created a USB using Veracrpt, I have all the information required to crack it (I.E Keyfiles) besides the password! In order to use Hashcat I require a hash, my question is how do I extract the hash from an encrypted USB?

All help is accepted!

https://hashcat.net/wiki/doku.php?id=fre...pt_volumes