Where Can I Found Hashes.

hey i saw this video and wanted to try it yourself. everything was successful except hacking a wifi because I do it on my own router. so I do not have to crack it. he may login with psexec encrypt the hashes. Now my question is how do I get the hashes.

this is the vid: https://www.youtube.com/watch?v=-0ofQsAwF2I&index=32&list=WL