Zebrocy Malware Technical Analysis Report.

ReportMalware Analysis Reports

Published 11 Oct 2023Updated 17 Oct 2026

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What This Report Covers

Zebrocy is a Trojan that the group known as APT28, or Sofacy, has used for espionage since 2015. It has three main parts: a backdoor, a downloader and a dropper. The downloader and dropper handle discovery and fetch the main malware.

The report compares several versions of the toolkit, which appear in languages including Delphi, C#, Visual C++, VB.net and Golang. It is written to show defenders the behavior and TTPs of a high-profile group so they can prepare for a future campaign.

Related reading is the Zebrocy article and the APT28 group profile.

Showing the toolkit in several programming languages helps analysts see that one threat actor can rebuild the same functions in different code. The report is intended to feed security teams with findings they can use to improve rules and awareness.

What You Will Find In This Report?

Learn Technical Method of Operation Details
The technical details of the Zebrocy Malware and their abilities, infection methodologies, and more. The report will show many points about the Zebrocy’s technical details, detections, and IoCs.

Gain Knowledge About Future Attacks
By understanding its attack model, you can make more informed predictions about the future of cybersecurity. Stay up-to-date with the latest trends and keep your business from potential threats.

Response & Mitigation Tactics From Experts
Brandefense analysts share practical response and mitigation advice on this topic. The malware has been increasingly active and sophisticated in recent years, making it more difficult for companies to protect themselves.

Research Is General. Your Exposure Is Not.

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