# Chaos

> As of 2026-08-29, Chaos is a threat actor tracked by Threadlinqs Intelligence across 5 threats spanning ransomware, malware. ATT&CK coverage spans 63 techniques across 14 tactics in 5 of 5 tracked threats. Most-observed techniques: T1027 (Obfuscated Files or Information), T1047 (Windows Management Instrumentation), T1057 (Process Discovery).

- **Tracked threats:** 5
- **Categories:** RANSOMWARE, MALWARE
- **As of:** 2026-08-29

## ATT&CK techniques observed

63 techniques observed across 5 of 5 tracked threats. Tactics: Discovery (14), Command and Control (11), Stealth (formerly Defense Evasion) (9), Execution (7), Impact (4), Initial Access (4).

- [T1027](https://intel.threadlinqs.com/technique/T1027) Obfuscated Files or Information — Stealth (formerly Defense Evasion) — observed in 5 of 5 tracked threats
- [T1047](https://intel.threadlinqs.com/technique/T1047) Windows Management Instrumentation — Execution — observed in 5 of 5 tracked threats
- [T1057](https://intel.threadlinqs.com/technique/T1057) Process Discovery — Discovery — observed in 5 of 5 tracked threats
- [T1078](https://intel.threadlinqs.com/technique/T1078) Valid Accounts — Initial Access — observed in 5 of 5 tracked threats
- [T1490](https://intel.threadlinqs.com/technique/T1490) Inhibit System Recovery — Impact — observed in 5 of 5 tracked threats
- [T1685](https://intel.threadlinqs.com/technique/T1685) Disable or Modify Tools — Defense Impairment — observed in 5 of 5 tracked threats
- [T1005](https://intel.threadlinqs.com/technique/T1005) Data from Local System — Collection — observed in 4 of 5 tracked threats
- [T1021](https://intel.threadlinqs.com/technique/T1021) Remote Services — Lateral Movement — observed in 4 of 5 tracked threats
- [T1036](https://intel.threadlinqs.com/technique/T1036) Masquerading — Stealth (formerly Defense Evasion) — observed in 4 of 5 tracked threats
- [T1071](https://intel.threadlinqs.com/technique/T1071) Application Layer Protocol — Command and Control — observed in 4 of 5 tracked threats
- [T1133](https://intel.threadlinqs.com/technique/T1133) External Remote Services — Persistence — observed in 4 of 5 tracked threats
- [T1219](https://intel.threadlinqs.com/technique/T1219) Remote Access Tools — Command and Control — observed in 4 of 5 tracked threats
- [T1497](https://intel.threadlinqs.com/technique/T1497) Virtualization/Sandbox Evasion — Stealth (formerly Defense Evasion) — observed in 4 of 5 tracked threats
- [T1547](https://intel.threadlinqs.com/technique/T1547) Boot or Logon Autostart Execution — Persistence — observed in 4 of 5 tracked threats
- [T1567](https://intel.threadlinqs.com/technique/T1567) Exfiltration Over Web Service — Exfiltration — observed in 4 of 5 tracked threats

## Tracked threats

- [Chaos Ransomware Claims MacAllister (macallister.com) — 75GB Data Exfiltration Claimed, Leadership Refused Engagement](https://intel.threadlinqs.com/threat/TL-2026-2209) — HIGH
- [Chaos Ransomware Group Claims 235GB PHI/Internal Document Leak from Healthcare Highways (Unconfirmed)](https://intel.threadlinqs.com/threat/TL-2026-2045) — HIGH
- [Chaos Ransomware Uses msaRAT to Route C2 Traffic Through Headless Chrome and Edge](https://intel.threadlinqs.com/threat/TL-2026-1663) — HIGH
- [Chaos Ransomware Deploys Browser-Based msaRAT to Evade Network Detection](https://intel.threadlinqs.com/threat/TL-2026-1661) — HIGH
- [Chaos Ransomware Group Deploys msaRAT — Rust-based Malware Abusing Chrome/Edge as C2 Covert Channel](https://intel.threadlinqs.com/threat/TL-2026-1656) — HIGH

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/Chaos