The PolySwarm Blog

Executive Summary

Cyber threats pose a significant risk to the energy vertical, which encompasses various sectors such as oil, gas, electricity, renewable energy, utilities, and related critical infrastructure entities. PolySwarm has been tracking cyber activity targeting the energy vertical in 2023. In this report, we provide highlights of this year’s threat actors and cyber attacks known to target the energy sector.

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.

Related Families: Cl0p

Executive Summary

New Truebot variants have been observed on victim machines that were compromised using CVE-2022-31199. The activity is targeting entities in

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.

Verticals Targeted: Education, Various

Executive Summary

SentinelLabs recently reported on a newly discovered Linux variant of Cl0p ransomware. The Linux variant is similar to the Windows variant but uses a flawed encryption logic.