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POWERTON

POWERTON is a custom PowerShell backdoor first observed in 2018. It has typically been deployed as a late-stage backdoor by APT33. At least two variants of the backdoor have been identified, with the later version containing improved functionality.[1]

ID: S0371
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Type: MALWARE
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Platforms: Windows
Version: 1.1
Created: 16 April 2019
Last Modified: 25 March 2020
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Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

POWERTON has used HTTP/HTTPS for C2 traffic.[1]
Enterprise T1547 .001 Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

POWERTON can install a Registry Run key for persistence.[1]
Enterprise T1059 .001 Command and Scripting Interpreter: PowerShell

POWERTON is written in PowerShell.[1]
Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

POWERTON has used AES for encrypting C2 traffic.[1]
Enterprise T1546 .003 Event Triggered Execution: Windows Management Instrumentation Event Subscription

POWERTON can use WMI for persistence.[1]
Enterprise T1003 .002 OS Credential Dumping: Security Account Manager

POWERTON has the ability to dump password hashes.[1]

Groups That Use This Software

ID Name References
G0064 APT33

[1][2]

References

  1. Ackerman, G., et al. (2018, December 21). OVERRULED: Containing a Potentially Destructive Adversary. Retrieved January 17, 2019.
  1. Microsoft Threat Protection Intelligence Team. (2020, June 18). Inside Microsoft Threat Protection: Mapping attack chains from cloud to endpoint. Retrieved June 22, 2020.