Hash or Enconde

Hello, I found in CTF this cred.
ddrivermysqlhost 127.0.0.username objetivapassword:zg0hRAYjPZjP8BkiteoqTSE=::8bb53db42dcc97ae5a30f36c95ac5e3name
proseleta_id361

But I dont know, how cracked the username and password.

probably the username is objetiva or objetivas.

Can someone help me?