LummaC2 Malware — Analysis, Campaigns & Threat Activity

Threat entity extracted from intelligence sources

Frequency
49
occurrences
First Seen
November 24, 2025
Last Seen
August 31, 2026

Related Threat Clusters

Recent Intelligence Reports

  • Anthropic Users Hit by Infostealer Attacks, Session Thefts — Darkreading · August 31, 2026
  • Anthropic Warning: Infostealer Malware Is Hijacking Claude Sessions, Draining Accounts — Esecurityplanet · August 31, 2026
  • Anthropic cracks down on hijacked user accounts mining AI tokens — Theregister · August 31, 2026
  • Amp — www.bleepingcomputer.com · August 31, 2026
  • Anthropic locks out Claude users after infostealers hijack login sessions — Feeds2.Feedburner · August 31, 2026
  • Anthropic warns: attackers are hijacking active Claude sessions and using up other people's limits — Mezha.Ua · August 31, 2026
  • Anthropic Warns Commodity Infostealers Are Hijacking Claude Sessions to Drain Paid Usage — Thecyberexpress · August 31, 2026
  • Claude Fremde Nutzen Dein Limit Anthropic Loescht Deine Karte.1383551.0 — www.notebookcheck.com · August 31, 2026

CVSS v3.1 Breakdown