Are you trying to log in to the VM OS or the Xeams' web interface?

Credentials for the OS login via SSH are mentioned at https://web.synametrics.com/virtual-machines.htm

If you're trying to log in to Xeams' web interface, the login ID is 'admin' and the password you specified during setup. In case you need to reset the password, refer to https://www.xeams.com/resetpassword.htm