Challenge PWN100 “Step by step”

We found this server with two open ports. Can you find out what these ports do and login to the server? It is advisable to use a seperate VM for this challenge.

Nmap scan report (54.216.75.14)
Host is up (0.026s latency).
PORT     STATE SERVICE
22/tcp   open  ssh
8140/tcp open  unknown


The game is over. You can no longer submit flags for this challenge.