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ALPHV, also known as BlackCat and Noberus, is a major ransomware-as-a-service operation widely associated with Russian-speaking cybercrime. The group became one of the most prominent post-Conti ransomware actors and has been linked to more than 1,000 victims and at least $300 million in ransom payments through September 2023. Its operating model relies on core administrators and affiliates, with affiliates conducting intrusions and deployments while sharing proceeds with the operators. Public reporting and court records also show that some external conspirators obtained affiliate access and used the platform to conduct additional attacks. ALPHV/BlackCat is known for double-extortion operations that combine data theft with ransomware deployment and threats to publish stolen information on a leak site. The group has targeted organizations across multiple sectors, including healthcare, financial services, retail, hospitality, nonprofit organizations, and industrial environments. A particularly high-impact incident was the February 2024 attack on Change Healthcare in the United States, in which the group stole more than six terabytes of health and financial data and caused major nationwide disruption to medical claims processing, billing, reimbursements, and prescriptions. The group’s capabilities span initial access, post-compromise expansion, and extortion. Reporting links ALPHV/BlackCat activity to exploitation of exposed remote access pathways such as RDP, use of stolen or abused credentials through affiliates, lateral movement inside victim networks, data exfiltration, and ransomware deployment. The operation has also been associated with exploitation activity during the Log4Shell period and with aggressive negotiation practices informed by victim financial data. Court records further show that BlackCat operators and affiliates used privileged victim information to calibrate ransom demands and maximize payments. ALPHV/BlackCat has shown willingness to intensify pressure on victims through public leak-site shaming and publication of highly sensitive stolen material, including healthcare-related data. The group was disrupted by law enforcement in late 2023, when authorities seized parts of its infrastructure and released a decryptor that helped victims recover systems without paying. Despite that disruption, subsequent incidents and affiliate activity demonstrated the operation’s resilience and continuing impact.
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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.
31 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
17 malware families attributed to this actor across reporting.
12 additional families tracked in Mallory.
2 CVEs this actor has used in observed campaigns. 2 of them exploited in the wild.
Scattered Spider is known to exploit CVE-2015-2291 which is a vulnerability in the Intel Ethernet diagnostics driver for Windows (iqvw64.sys) that allows local users to cause a denial of service or possibly execute arbitrary code with kernel privileges... Scattered Spider exploited CVE-2015-2291 to deploy a malicious kernel driver in the Intel Ethernet diagnostics driver for Windows (iqvw64.sys).
An analysis of ‘exp.exe’ indicated that it is a privilege escalation tool based on the exploitation of CVE-2022-24521 – a vulnerability in the Windows Common Log File System (CLFS) Driver, known to be used by several ransomware groups.
126 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.
Referenced only as historical comparison for leak-site cross-posting behavior.
Ransomware group that rose after earlier major groups were disrupted, before later facing its own takedown.
Ransomware group responsible for the February 2024 intrusion into Change Healthcare, stealing over six terabytes of health and financial data and causing major disruption to US medical claims processing.
Operates a ransomware-as-a-service platform whose affiliates compromise victim networks, deploy ransomware, and use extortion infrastructure while sharing ransom proceeds with the group's administrators.
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.