Chaos Ransomware — Victims, Campaigns & Activity

Threat entity extracted from intelligence sources

Frequency
16
occurrences
First Seen
January 6, 2026
Last Seen
July 23, 2026

Chaos is a ransomware_group tracked across 5 threat clusters and 16 intelligence report mentions on ThreatCluster. First observed January 6, 2026; most recent activity July 23, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Chaos ransomware deploys browser — Securityaffairs.Co · July 23, 2026
  • Chaos ransomware uses browser — Feeds.4Sysops · July 23, 2026
  • Chaos Ransomware Uses msaRAT to Route C2 Traffic Through Headless Chrome and Edge — Thehackernews · July 23, 2026
  • Chaos ransomware msaRAT hides its C2 channel inside a legitimate browser process — Feeds2.Feedburner · July 23, 2026
  • Chaos ransomware's msaRAT: Living off the browser to build a covert C2 channel — Blog.Talosintelligence · July 23, 2026
  • Tr Muddying Tracks State Sponsored Shadow Behind Chaos Ransomware — www.rapid7.com · May 11, 2026
  • MuddyWater Behind Chaos Ransomware False Flag — Socprime · May 7, 2026
  • Iranian threat group used Chaos ransomware as a 'false flag,' researchers say — Scworld · May 7, 2026

CVSS v3.1 Breakdown