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Cobalt Mirage APT sub-group Cluster B used Drokbk malware

Updated on 2022-12-12: Cobalt Mirage APT sub-group

Secureworks researchers have published a technical analysis of Drokbk, a new malware strain used by what the company calls Cluster B, a smaller sub-group of the larger Cobalt Mirage Iranian APT. Secureworks researchers say Drokbk is deployed post-intrusion as a persistence mechanism and that the malware uses GitHub for command and control. Read more:


Several local U.S. governments had their networks targeted with the new Drokbk malware, reportedly used by Iranian threat actor Cobalt Mirage after abusing the Log4j vulnerability. Read more: Local governments allegedly targeted with Iranian ‘Drokbk’ malware through Log4j vulnerability

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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