Loading threat actor…
QuadSwitcher is a ransomware affiliate assessed to have links to multiple ransomware operations, including Play and RansomHub. The available reporting supports describing it as an intrusion operator or affiliate rather than a distinct standalone malware family. Its activity is associated with financially motivated extortion operations in which access to victim environments is leveraged on behalf of ransomware brands. Through its reported association with Play, QuadSwitcher is linked to campaigns involving double extortion, combining data theft with system encryption and leak-site pressure. Tradecraft associated with these operations includes initial access through valid account abuse, exploitation of public-facing applications, phishing and social engineering, and abuse of external remote services such as RDP and VPN access. Post-compromise behavior associated with the linked operations includes credential access, Active Directory discovery, lateral movement, creation of high-privilege accounts, defense evasion, and use of remote administration and post-exploitation tooling. Reporting on Play-linked activity also notes anti-analysis measures in the ransomware payload and targeting of virtualized infrastructure through a Linux variant designed for VMware ESXi environments. QuadSwitcher should be understood as part of the affiliate ecosystem surrounding modern ransomware operations, where operators may work across multiple brands and shared intrusion workflows rather than remaining exclusive to a single group.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
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.
15 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.
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.