The PolySwarm Blog

Executive Summary

In this report, PolySwarm analysts chose our top five standout malware families for the 2023 Malware Hall of Fame. We also feature the Story of the Year, MOVEit. A small selection of our most recent samples of each family are provided as well.

Verticals Targeted: Defense, Government, Technology 

Executive Summary

The MOVEit vulnerability tracked as CVE-2023-34362, was first observed in May 2023. It has since been observed targeting additional entities, including those in the technology, government, and defense verticals.

Associated Families: LemurLoot
Verticals Targeted: Financial, Government

Executive Summary

Industry researchers from multiple vendors observed threat actors leveraging CVE-2023-34362. Microsoft attributed the activity to a Cl0p affiliate dubbed Lace Tempest.