XenoRAT

XenoRAT is an open-source remote access trojan (RAT) developed in C#. It provides advanced capabilities such as remote control, keystroke logging, and webcam or microphone access. Initially distributed on GitHub, XenoRAT has been used both by ethical security researchers and malicious actors. Recent campaigns have seen the malware distributed through Excel XLL files, improving its ability to bypass detection.

Known Variants

MoonPeak is a notable variant of XenoRAT. It has been associated with the Kimsuky Group, a North Korean state-sponsored entity, and features improvements designed to increase stealth and operational effectiveness.

Mitigation Strategies

Train employees to identify phishing attacks and avoid downloading from untrusted sources. Use application whitelisting to block unauthorized software, including Excel add-ins. Regularly patch and update systems to close vulnerabilities that malware like XenoRAT could exploit. Monitor network traffic for anomalies indicative of RAT activities.

Targeted Industries or Sectors

XenoRAT has targeted various sectors. The gaming community has been a notable focus, with the malware disguised as tools for games like Roblox. Additionally, its distribution through Excel XLL files suggests a growing interest in enterprise networks, where it can compromise corporate environments and gain access to sensitive information.

Associated Threat Actors

The Kimsuky Group, a North Korean state-sponsored organization, has been linked to XenoRAT’s MoonPeak variant. This group is known for conducting espionage campaigns, and their use of XenoRAT underscores the malware’s utility in advanced threat operations.

References

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