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Mario Ransomware is a financially motivated cybercriminal ransomware operation, also known as Mario. It has used a Babuk-derived Linux encryptor to target VMware ESXi environments, reflecting reuse of the leaked Babuk ransomware codebase. Mario has also been linked to joint extortion campaigns with the BianLian and White Rabbit ransomware groups, including campaigns directed at financial-services organizations. The group’s known activity indicates ransomware encryption and extortion operations, but the available evidence does not establish a country of origin or a broader, independently attributable victim set.
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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.
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Ransomware group highlighted for collaboration with other groups to target financial services firms.
Ransomware family observed using leaked Babuk source code/builder to create ESXi encryptors.
Reportedly collaborated with BianLian and White Rabbit in joint financially motivated extortion campaigns during December 2023.
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.