Crack old TrueCrypt backup without knowing encryption

[slyexe]

Not knowing the type of encryption could pose a problem, I would suggest extracting the hash and seeing if hashcat can autodetect which mode it is. If it cannot safely match the type of truecrypt volume, you may need to do a little more digging into the hash whether it will supply any more details/hints about which type it may be.

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