The Federal Bureau of Investigation, Department of Defense Cyber Crime Center, and National Police Agency of Japan are alerting the public to the theft of cryptocurrency worth $308 million U.S. dollars from the Japan-based cryptocurrency company DMM by North Korean cyber actors in May 2024. The theft is affiliated with TraderTraitor threat activity, which is also tracked as Jade Sleet, UNC4899, and Slow Pisces. TraderTraitor activity is often characterized by targeted social engineering directed at multiple employees of the same company simultaneously.
In late March 2024, a North Korean cyber actor, masquerading as a recruiter on LinkedIn, contacted an employee at Ginco, a Japan-based enterprise cryptocurrency wallet software company. The threat actor sent the target, who maintained access to Ginco’s wallet management system, a URL linked to a malicious Python script under the guise of a pre-employment test located on a GitHub page. The victim copied the Python code to their personal GitHub page and was subsequently compromised.
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