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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
Platforms: Windows
Version: 1.0

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]