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Evilnum, also tracked as DeathStalker, is a Belarus-linked threat actor active since 2018. It has primarily conducted highly targeted intrusions against financial-technology organizations, trading platforms, and compliance-related businesses in the United Kingdom and Europe. Evilnum is financially motivated and conducts espionage-oriented theft of sensitive business information, including credentials, browser cookies, email credentials, documents, and victim-system data. Evilnum commonly obtains initial access through spearphishing campaigns using Know Your Customer-themed identity or financial-document lures. Its delivery methods have included ZIP archives containing disguised shortcut files, malicious Word documents employing template injection and VBA code stomping, and trojanized legitimate software installers distributed through fake piracy sites. It has also used Golden Chickens malware-as-a-service tooling, including More_eggs, TerraLoader, TerraPreter, TerraStealer, and TerraTV. The group has used obfuscated JavaScript and staged downloaders to install proprietary payloads, including PyVil RAT and VileRAT. These implants support command execution, file transfer, host profiling, screenshot capture, keylogging, credential and cookie theft, SSH shell access, and retrieval of additional modules. Evilnum has deployed customized LaZagne-derived tooling for password and browser-data collection. It establishes persistence through scheduled tasks and has also used registry-based logon-script persistence. The actor employs defense-evasion techniques including code obfuscation, artifact masquerading, in-memory payload execution, modified legitimate executables, anti-analysis checks, file deletion, and DLL search-order hijacking. Evilnum has also been observed bypassing Windows User Account Control using PowerShell.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
46 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
15 malware families attributed to this actor across reporting.
10 additional families tracked in Mallory.
1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.
187 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Listed in the detection's APT annotations.
Listed as a threat actor associated with the generic installation exploitation analytic, but no campaign-specific activity is described in this reference.
Mentioned as another historical Golden Chickens MaaS customer in attribution discussion.
Mentioned as a cybercrime group that has used Golden Chickens tooling.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.