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WARPRISM is a PowerShell dropper observed by Mandiant in UNC2447 intrusions between November 2020 and February 2021. It has been used to install or deliver SUNCRYPT, Cobalt Strike BEACON, and MIMIKATZ, and it loads payloads directly into memory to evade endpoint detection. Mandiant created the UNC2447 cluster after observing WARPRISM used to install BEACON at two Managed Defense clients in November 2020, and later forensically linked the same WARPRISM and BEACON samples to intrusions involving SOMBRAT and FIVEHANDS ransomware. The broader activity was associated with exploitation of SonicWall SMA 100 series devices via CVE-2021-20016 and targeted organizations in Europe and North America. Mandiant noted that WARPRISM may be used by multiple groups.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
In November 2020, Mandiant created UNC2447... observed using the novel WARPRISM PowerShell dropper to install BEACON...
2 distinct techniques documented for this family, organized by ATT&CK tactic.
15 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.