Cinnamon Tempest
- ID
- G1021
- Associated names
- DEV-0401, Emperor Dragonfly, BRONZE STARLIGHT
- Source
- attack.mitre.org
- MITRE last modified
- 1 Aug 2026
Cinnamon Tempest is a China-based threat group that has been active since at least 2021 deploying multiple strains of ransomware based on the leaked Babuk source code. Cinnamon Tempest does not operate their ransomware on an affiliate model or purchase access but appears to act independently in all stages of the attack lifecycle. Based on victimology, the short lifespan of each ransomware variant, and use of malware attributed to government-sponsored threat groups, Cinnamon Tempest may be motivated by intellectual property theft or cyberespionage rather than financial gain.[1][2][3][4]
Techniques used (19)
- T1021.002 SMB/Windows Admin Shares
- T1047 Windows Management Instrumentation
- T1059.001 PowerShell
- T1059.003 Windows Command Shell
- T1059.006 Python
- T1078 Valid Accounts
- T1078.002 Domain Accounts
- T1080 Taint Shared Content
- T1090 Proxy
- T1105 Ingress Tool Transfer
- T1140 Deobfuscate/Decode Files or Information
- T1190 Exploit Public-Facing Application
- T1484.001 Group Policy Modification
- T1543.003 Windows Service
- T1567.002 Exfiltration to Cloud Storage
- T1572 Protocol Tunneling
- T1574.001 DLL
- T1588.002 Tool
- T1657 Financial Theft
Software used (8)
- S0013 PlugX
- S0154 Cobalt Strike
- S0357 Impacket
- S0633 Sliver
- S0664 Pandora
- S1040 Rclone
- S1096 Cheerscrypt
- S1097 HUI Loader
