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DarkCloud Stealer is a cybercrime threat activity cluster associated with credential and browser-data theft. Campaigns observed in 2025 used phishing emails to deliver AutoIt-compiled droppers that installed the stealer on victim systems. The activity has targeted government and technology organizations and is consistent with financially motivated information theft rather than espionage or disruptive operations. Reported functionality includes theft of credentials and browser-stored data, indicating post-compromise collection and exfiltration capabilities. Observed victim geography includes the United States, Brazil, the Netherlands, and Hungary. No high-confidence attribution to a specific nation-state or formal intrusion set is established.
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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.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.