VulDB 
Improved indicators: NjRAT (+3), Tsunami (+1), XWorm (+1), ACR Stealer (+1), Xtreme RAT (+2), Remcos (+1) and SystemBC (+1). https://vuldb.com/actor #apt #cti #ioc
Actors

Predictive activity analysis of APT actors in social media, private forums, chat rooms, and darknet markets.

Vulnerability Database
Apr 2 at 6:37pmWeb