Rooted.
Foothold/user: analyze carefully what is in front of you. A specific issue will allow you to do nice stuff that will help you “secretly” recover something. Iterate this issue and finally you’ll land on target.
Root: enumeration is key, once you uncover something look beyond what you see. Analyze everything something odd should not be “allowed”! For me this was the first time I used this kind of scenario within HTB so it was cool to learn something new.
Thanks for the box!