MALWARE FAMILY

EVILNUM

Internal ID: js.evilnum

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According proofpoint, EvilNum is a backdoor that can be used for data theft or to load additional payloads. The malware includes multiple interesting components to evade detection and modify infection paths based on identified antivirus software.

Threat Analysis

EVILNUM is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→http://blog.nsfocus.net/agentvxapt-evilnum/

→http://www.pwncode.io/2018/05/javascript-based-bot-using-github-c.html

→https://blog.prevailion.com/2020/05/phantom-in-command-shell5.html

→https://github.com/eset/malware-ioc/tree/master/evilnum

→https://mp.weixin.qq.com/s/REXBtbnI2zXj4H3u6ofMMw

→https://securelist.com/apt-trends-report-q3-2020/99204/

→https://securelist.com/deathstalker-mercenary-triumvirate/98177/

→https://unit42.paloaltonetworks.com/cardinal-rat-sins-again-targets-israeli-fin-tech-firms/

→https://www.clearskysec.com/wp-content/uploads/2019/08/ClearSky-2019-H1-Cyber-Events-Summary-Report.pdf

→https://www.welivesecurity.com/2020/07/09/more-evil-deep-look-evilnum-toolset/

Quick Facts

TypeMalware Family

Aliases1

Also Known As

js.evilnum

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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