Hi
I don't know if you can move your thread but the forum for technical help is there: https://bitcointalk.org/index.php?board=4.0
12 words phrase is likely a BIP39 or Electrum mnemonic, try using tools on internet but use them OFFLINE! I just found this for example https://iancoleman.io/bip39/
Your 'xc2.....2om' word may be a password?
And the 80MB wallet may be a Truecrypt/Veracrypt container? (encrypted with password xc2... ?)