Nation-State Actor

Cirrus (DPRK)

North Korea • Active since 2022

Cirrus is a North Korean hacking team that goes after cryptocurrency and blockchain companies. They trick developers into running malicious code to steal crypto and fund North Korea.

Overview

Cirrus is a North Korean threat actor specializing in supply chain compromises and targeting blockchain developers. They have conducted sophisticated attacks against cryptocurrency exchanges and Web3 companies.

Also Known As

TraderTraitor, Jade Sleet, UNC4899

Target Industries

Cryptocurrency, Blockchain, Financial Technology, Software Development

Target Regions

Global, United States, Europe, Asia

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Tactics, Techniques & Procedures

  • Supply chain compromise via npm packages
  • Social engineering of developers
  • Cryptocurrency wallet theft
  • macOS malware deployment

Known Tools & Malware

TraderTraitor malware, npm malicious packages, KANDYKORN, SockSocket

Notable Campaigns

npm Package Compromise (2023)

Published malicious npm packages targeting blockchain developers.

Crypto Exchange Intrusions (2022-2024)

Targeted multiple cryptocurrency exchanges resulting in significant fund theft.

MITRE ATT&CK Techniques

T1195.002, T1566.003, T1059.007, T1567.002

Defense Recommendations

  1. 1.

    Audit npm dependencies for suspicious packages

  2. 2.

    Implement software composition analysis

  3. 3.

    Train developers on social engineering threats

Related Threat Actors

Lazarus Group, Apt38

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