There are several scripts to convert any software format to john (keepass2john.py, zip2john.py, cisco2john.pl) located on john/run path. We use these scripts to create hash files that we can crack later with JTR.
#Attack to md5 hash filejohn-f=raw-md5-w=/usr/share/wordlists/rockyou.txtmd5.hash#Attack to sha1 hash filejohn-f=raw-sha1-w=/usr/share/wordlists/rockyou.txtmd5.hash