North Korean Malicious Cyber Activity

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National Cyber Awareness System:



North Korean Malicious Cyber Activity [ 
https://www.us-cert.gov/ncas/current-activity/2020/05/12/north-korean-malicious-cyber-activity ] 05/12/2020 06:24 AM 
EDT 
Original release date: May 12, 2020

The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the 
Department of Defense (DoD) have identified three malware variantsCOPPERHEDGE [ 
https://www.us-cert.gov/ncas/analysis-reports/ar20-133a ], TAINTEDSCRIBE [ 
https://www.us-cert.gov/ncas/analysis-reports/ar20-133b ], and PEBBLEDASH [ 
https://www.us-cert.gov/ncas/analysis-reports/ar20-133c ]used by the North Korean government. In addition, U.S. Cyber 
Command has released the three malware samples to the malware aggregation tool and repository, VirusTotal. The U.S. 
Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA.

CISA encourages users and administrators to review the Malware Analysis Reports for each malware variant listed above, 
U.S. Cyber Commands VirusTotal page [ https://www.virustotal.com/en/user/CYBERCOM_Malware_Alert ], and CISAs North 
Korean Malicious Cyber Activity page [ https://www.us-cert.gov%20https://www.us-cert.gov/NorthKorea ] for more 
information.

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