coldbraid

Cinnamon Tempest

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.

ATT&CK ID
G1021
Origin
China
Weather family
Tempest
Techniques
16
Tools
8

Also tracked as DEV-0401 · Emperor Dragonfly · BRONZE STARLIGHT

Techniques

Resource Development

Obtain Capabilities

Initial Access

Valid AccountsExploit Public-Facing Application

Execution

Windows Management InstrumentationCommand and Scripting InterpreterHijack Execution Flow

Persistence

Valid AccountsCreate or Modify System Process

Privilege Escalation

Valid AccountsDomain or Tenant Policy ModificationCreate or Modify System Process

Stealth

Valid AccountsDeobfuscate/Decode Files or InformationHijack Execution Flow

Defense Impairment

Domain or Tenant Policy Modification

Lateral Movement

Remote ServicesTaint Shared Content

Command and Control

ProxyIngress Tool TransferProtocol Tunneling

Exfiltration

Exfiltration Over Web Service

Impact

Financial Theft

Software

Cheerscrypt · Cobalt Strike · HUI Loader · Impacket · Pandora · PlugX · Rclone · Sliver