HC3 Sector Alert TLP White - CISA Top 3 Malware Detections for May 2020, July 10, 2020

Top malware detections for the month of May 2020 by the EINSTEIN national IDS included NetSupport Manager RAT, Kovter, and XMRig. According to CISA, these three threats accounted for more than 90% of active signatures. Both NetSupport Manager RAT and XMRig have links to threat actor(s) which have previously targeted the United States healthcare and public health (HPH) sector and Kovter continues to be a top malware used by threat actors. General mitigations, indicators of compromise (IOCs), techniques (TTPs), and Snort rules are provided.

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