We first need to extract the hash from the file so John can understand and crack this hash. Once we have this password we can then use this to open the database and retrieve all the passwords Cracking the Keepass Database file If you have the file we can extract the main password hash out of the file and use brute force to get this password. It stores the password in a local password database and when opening this file with the KeePass program it prompts you for the main password. KeePass is a free open-source password manager, which helps you to manage your passwords.

However, you can install the tools you need on any other Linux system.

I’m using Kali Linux to get the result as all tools are already pre-installed. We are going to use keepass2john to get the hash that john the ripper can use to retrieve the password. This guide will show you how to crack a KeePass Database file by retrieving the Master password from a Keepass database (.kdbx) file which we can use to unlock the database file to get all the passwords stored in this file.

Kdbx extension