john --format=bitcoin --wordlist=rockyou.txt wallet_hash.txt
Once you have the hash in wallet_hash.txt , you can use it with a password recovery tool: Use Mode 11300 for Bitcoin Core wallet.dat hashes. extract hash from walletdat top
In the world of cryptocurrency forensics and legacy wallet recovery, few challenges are as common—or as nerve-wracking—as dealing with a corrupted, lost, or password-locked wallet.dat file. Whether you are a penetration tester auditing a client’s old backups, a forensic analyst recovering evidence, or a user trying to regain access to a Bitcoin fortune from 2013, the first technical hurdle is often the same: john --format=bitcoin --wordlist=rockyou
These code snippets will also output the SHA-256 hash of the wallet.dat file. If the password is found, hashcat will display
If the password is found, hashcat will display it and save the result in hashcat.potfile .
Have you successfully extracted a hash from a problematic wallet.dat? The methods above work for over 95% of encrypted Bitcoin Core wallets. For descriptor wallets (post-2020), check the newer bitcoin-wallet-tool utility.
Python 3, John the Ripper (community edition).