Please do not misquote me, I got a PM from you and I replied by saying that hashcat doesn't currently support Wasabi Wallet recovery. I'm not sure about the algorithm details, I/somebody would need to research/study the source code etc. I only found this:
https://github.com/nopara73/WasabiEncryptedSecretTester
... and I've linked that to you to see if it would work with your .json file or a newly generated wallet file for which you have the password.
https://github.com/nopara73/WasabiEncryptedSecretTester
... and I've linked that to you to see if it would work with your .json file or a newly generated wallet file for which you have the password.