1. First identify hash - use hash-identifier OR john filename OR cyberchef OR any other online tool
  2. Crack - hashcat -m 1800 test.hash -o crack.txt /usr/share/wordlists/rockyou.txt, -m (Hash mode, give number of the hash type identified above) OR hashcat -m 1800 hash...... /usr/share/wordlists/rockyou.txt