Doubledrag, Doubledrop and Doubleback - 3 new malware families used in a widespread phishing campaign entrenched in financial crime. The threat actors behind the malware, described as « experienced and well-resourced,» are being tracked as UNC2529.

https://www.fireeye.com/blog/threat-research/2021/05/unc2529-triple-double-trifecta-phishing-campaign.html