ms13089 is a ransomware group that emerged in December 2025, primarily focused on financial gain through data encryption and exfiltration. They utilize a double extortion model, threatening to publish sensitive stolen data if ransom demands are not met. There is limited information regarding their origin or tools used beyond their ransomware payload.
Key insights
•Uses a double extortion model for ransomware attacks.
•Threatens to publish stolen data on a Tor-based leak site if ransom is not paid.
•Targets a wide variety of sectors, including finance and healthcare.
•No specific initial access methods or proprietary malware publicly detailed.
•Employs direct extortion tactics to pressure organizations into compliance.