For those still in trouble with port scanning I would recommend you read Quick Port Scan Tip - Other - Hack The Box :: Forums
@23Y4D try using the service you found for enumeration (I’m assuming you found the right service for this)
If anyone got further than initial enumeration, I could use some help to connect to the service on the machine (trying not to spoil here). I’ve got version and credentials, but I’m having trouble to find a proper client for Kali.