It looks like we have a little bit more info on the threat :
https://threatlibrary.zscaler.com/?threatname=Bastdoor
https://www.virusview.net/malware/Trojan/Win64/Bastdoor
It looks like this trojan was also a keylogger and an infostealer.
Now, as I am not a security guy, and I don t know these sources, I'm not sure how accurate these information are.
I would still wait for the Microsoft report to be sure.
Regardeless, anyone that got infected really needs to change all of their passwords.