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Mad Liberator, also referred to as the Mad Liberator ransomware group, is a financially motivated cybercriminal actor first observed in mid-July 2024. Its documented operations primarily involve stealing organizational data and demanding payment to prevent disclosure. The group operates a dedicated leak site that publishes victim information and stolen data to pressure victims. Healthcare organizations are among its publicly claimed victims. Mad Liberator abuses legitimate remote-access software, particularly AnyDesk, to obtain access and transfer stolen files. In a documented intrusion, a victim accepted an unsolicited AnyDesk connection request believing it was routine maintenance by their organization's IT department. The attacker displayed a decoy Windows Update screen and disabled keyboard and mouse input through AnyDesk to conceal activity and prevent interference. The attacker accessed company files through the victim's linked OneDrive account and mapped network shares, then exfiltrated them using AnyDesk's file-transfer functionality. The group has used Advanced IP Scanner for local subnet reconnaissance and deployed a program that distributed ransom notes across shared network locations. The documented session lasted nearly four hours. No lateral movement or data encryption was observed in that incident, and the decoy update program was not used to establish persistence.
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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.
11 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
3 malware families attributed to this actor across reporting.
4 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Associated with healthcare-sector dedicated leak-site postings.
A newly emerged ransomware/data-extortion group focused primarily on data exfiltration, with reported occasional encryption and double extortion. In the described incident, it abused AnyDesk remote access, used social engineering to gain session approval, displayed a fake Windows Update screen to mask activity, disabled user input, exfiltrated files from OneDrive and mapped network shares, scanned the subnet with Advanced IP Scanner, and dropped ransom notes on shared network locations.
Named as a ransomware group whose activity involved AnyDesk; no campaign-specific details are provided.
Observed exploiting AnyDesk for unauthorized remote access by tricking targets into installing the software.
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.