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Gold Dragon

Gold Dragon is a Korean-language, data gathering implant that was first observed in the wild in South Korea in July 2017. Gold Dragon was used along with Brave Prince and RunningRAT in operations targeting organizations associated with the 2018 Pyeongchang Winter Olympics. [1]

ID: S0249
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 17 October 2018
Last Modified: 17 October 2018
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1059 Command-Line Interface

Gold Dragon uses cmd.exe to execute commands for discovery.[1]
Enterprise T1022 Data Encrypted

Gold Dragon encrypts data using Base64 before being sent to the command and control server.[1]
Enterprise T1074 Data Staged

Gold Dragon stores information gathered from the endpoint in a file named 1.hwp.[1]
Enterprise T1089 Disabling Security Tools

Gold Dragon terminates anti-malware processes if they’re found running on the system.[1]
Enterprise T1083 File and Directory Discovery

Gold Dragon lists the directories for Desktop, program files, and the user’s recently accessed files.[1]
Enterprise T1107 File Deletion

Gold Dragon deletes one of its files, 2.hwp, from the endpoint after establishing persistence.[1]
Enterprise T1057 Process Discovery

Gold Dragon checks the running processes on the victim’s machine.[1]
Enterprise T1012 Query Registry

Gold Dragon enumerates registry keys with the command regkeyenum and obtains information for the Registry key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run.[1]
Enterprise T1060 Registry Run Keys / Startup Folder

Gold Dragon establishes persistence in the Startup folder.[1]
Enterprise T1105 Remote File Copy

Gold Dragon can download additional components from the C2 server.[1]
Enterprise T1063 Security Software Discovery

Gold Dragon checks for anti-malware products and processes.[1]
Enterprise T1071 Standard Application Layer Protocol

Gold Dragon uses HTTP for communication to the control servers.[1]
Enterprise T1082 System Information Discovery

Gold Dragon collects endpoint information using the systeminfo command.[1]
Enterprise T1033 System Owner/User Discovery

Gold Dragon collects the endpoint victim's username and uses it as a basis for downloading additional components from the C2 server.[1]

References

  1. Sherstobitoff, R., Saavedra-Morales, J. (2018, February 02). Gold Dragon Widens Olympics Malware Attacks, Gains Permanent Presence on Victims’ Systems. Retrieved June 6, 2018.