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Home/ATT&CK/Software/S0554
MITRE ATT&CK Malware

Egregor (S0554)

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[Egregor](https://attack.mitre.org/software/S0554) is a Ransomware-as-a-Service (RaaS) tool that was first observed in September 2020. Researchers have noted code similarities between [Egregor](https://attack.mitre.org/software/S0554) and Sekhmet ransomware, as well as [Maze](https://attack.mitre.org/software/S0449) ransomware.(Citation: NHS Digital Egregor Nov 2020)(Citation: Cyble Egregor Oct 2020)(Citation: Security Boulevard Egregor Oct 2020)

Platforms: Windows

▪Techniques implemented (25)

T1497.003Time Based ChecksT1218.011Rundll32T1197BITS JobsT1124System Time DiscoveryT1027.002Software PackingT1039Data from Network Shared DriveT1106Native APIT1140Deobfuscate/Decode Files or InformationT1036.004Masquerade Task or ServiceT1049System Network Connections DiscoveryT1033System Owner/User DiscoveryT1105Ingress Tool TransferT1685Disable or Modify ToolsT1497Virtualization/Sandbox EvasionT1574.001DLLT1486Data Encrypted for ImpactT1069.002Domain GroupsT1218.010Regsvr32T1071.001Web ProtocolsT1219Remote Access ToolsT1059.003Windows Command ShellT1484.001Group Policy ModificationT1055Process InjectionT1059.001PowerShellT1082System Information Discovery
S0554on MITRE ATT&CK →

MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.