Ryuk
MITRE
Malware Type:
Other
Other
First seen:
Unknown
Unknown
Last seen:
Unknown
Unknown
Details:
[Ryuk](https://attack.mitre.org/software/S0446) is a ransomware designed to target enterprise environments that has been used in attacks since at least 2018. [Ryuk](https://attack.mitre.org/software/S0446) shares code similarities with Hermes ransomware.(Citation: CrowdStrike Ryuk January 2019)(Citation: FireEye Ryuk and Trickbot January 2019)(Citation: FireEye FIN6 Apr 2019)
Associated Techniques (22)
| ID | ATT&CK | Tactics |
|---|---|---|
| T1016 | System Network Configuration Discovery | - |
| T1021.002 | SMB/Windows Admin Shares | - |
| T1027 | Obfuscated Files or Information | - |
| T1036 | Masquerading | - |
| T1036.005 | Match Legitimate Resource Name or Location | - |
| T1053.005 | Scheduled Task | - |
| T1055 | Process Injection | - |
| T1057 | Process Discovery | - |
| T1059.003 | Windows Command Shell | - |
| T1078.002 | Domain Accounts | - |
| T1083 | File and Directory Discovery | - |
| T1106 | Native API | - |
| T1134 | Access Token Manipulation | - |
| T1205 | Traffic Signaling | - |
| T1222.001 | Windows File and Directory Permissions Modification | - |
Used by Actors (2)
Metadata
| ID: | 453 |
| Created: | 13/01/2026 17:48 |
| Updated: | 06/03/2026 16:00 |