ATT&CKReferencesSygnia Emperor Dragonfly October 2022

Sygnia Emperor Dragonfly October 2022

Biderman, O. et al. (2022, October 3). REVEALING EMPEROR DRAGONFLY: NIGHT SKY AND CHEERSCRYPT - A SINGLE RANSOMWARE GROUP. Retrieved December 6, 2023.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software1

Campaigns0

None recorded.

Procedure examples14

TechniqueUsed byProcedure example
T1021.002
SMB/Windows Admin Shares
GroupCinnamon Tempest

Cinnamon Tempest has used SMBexec for lateral movement.

T1047
Windows Management Instrumentation
GroupCinnamon Tempest

Cinnamon Tempest has used Impacket for lateral movement via WMI.

T1059.001
PowerShell
GroupCinnamon Tempest

Cinnamon Tempest has used PowerShell to communicate with C2, download files, and execute reconnaissance commands.

T1078
Valid Accounts
GroupCinnamon Tempest

Cinnamon Tempest has used compromised user accounts to deploy payloads and create system services.

T1090
Proxy
GroupCinnamon Tempest

Cinnamon Tempest has used a customized version of the Iox port-forwarding and proxy tool.

T1105
Ingress Tool Transfer
GroupCinnamon Tempest

Cinnamon Tempest has downloaded files, including Cobalt Strike, to compromised hosts.

T1140
Deobfuscate/Decode Files or Information
GroupCinnamon Tempest

Cinnamon Tempest has used weaponized DLLs to load and decrypt payloads.

T1190
Exploit Public-Facing Application
GroupCinnamon Tempest

Cinnamon Tempest has exploited multiple unpatched vulnerabilities for initial access including vulnerabilities in Microsoft Exchange, Manage Engine AdSelfService Plus, Confluence, and Log4j.

T1486
Data Encrypted for Impact
MalwareCheerscrypt

Cheerscrypt can encrypt data on victim machines using a Sosemanuk stream cipher with an Elliptic-curve Diffie–Hellman (ECDH) generated key.

T1543.003
Windows Service
GroupCinnamon Tempest

Cinnamon Tempest has created system services to establish persistence for deployed tooling.

T1567.002
Exfiltration to Cloud Storage
GroupCinnamon Tempest

Cinnamon Tempest has uploaded captured keystroke logs to the Alibaba Cloud Object Storage Service, Aliyun OSS.

T1572
Protocol Tunneling
GroupCinnamon Tempest

Cinnamon Tempest has used the Iox and NPS proxy and tunneling tools in combination create multiple connections through a single tunnel.

T1574.001
DLL
GroupCinnamon Tempest

Cinnamon Tempest has used search order hijacking to launch Cobalt Strike Beacons. Cinnamon Tempest has also abused legitimate executables to side-load weaponized DLLs.

T1588.002
Tool
GroupCinnamon Tempest

Cinnamon Tempest has used open-source tools including customized versions of the Iox proxy tool, NPS tunneling tool, Meterpreter, and a keylogger that uploads data to Alibaba cloud storage.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.