North Korean Malicious Cyber Activity

["US-CERT" <US-CERT () ncas us-cert gov>]

U.S. Department of Homeland Security US-CERT

National Cyber Awareness System:



North Korean Malicious Cyber Activity [ 
https://www.us-cert.gov/ncas/current-activity/2018/05/29/North-Korean-Malicious-Cyber-Activity ] 05/29/2018 10:08 AM 
EDT 
Original release date: May 29, 2018

The Department of Homeland Security (DHS) and the Federal Bureau of Investigation (FBI) released a joint Technical 
Alert (TA) that identifies two families of malwarereferred to as Joanap and Brambulused by the North Korean government. 
The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA.

In conjunction with the release of this TA, NCCIC has released a Malware Analysis Report (MAR) that provides analysis 
on samples of Joanap and Brambul malware.

NCCIC encourages users and administrators to review TA18-149A: HIDDEN COBRA  Joanap Backdoor Trojan and Brambul Server 
Message Block Worm [ https://us-cert.gov/ncas/alerts/TA18-149A ] and MAR-10135536-3  RAT/Worm [ 
https://us-cert.gov/ncas/analysis-reports/AR18-149A ]. For more information, visit https://www.us-cert.gov/HiddenCobra.

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