Billu B0x CTF Walkthrough

Billu B0x is a relatively new machine that came on VulnHub. Created by Manish Kishan Tanwar, it surfaced on April 21^st, 2017. It can be downloaded from https://www.vulnhub.com/entry/billu-b0x,188/
The objective is to break into the machine via a web application running on it and escalate user privileges.
Downloaded and fired up, it presents with a login screen with no other information at all apart from telling us it is an Ubuntu Machine, which we already know:
So, heading back to our attacking machine, See until the video is finished.