I have some ideeas about the password. I tried that python recovery program from github but i think is outdated bcos getting the message unknown wallet version. Other ways I do not know, i am not familiar with this bruteforce method.
Here's the one i used succesfully in the past:
https://github.com/gurnec/btcrecoverThere's also a relatively trusted user that runs a wallet recovery service on this forum, i can't seem to remember his name atm dough...