BianLian Ransomware Expanding C2 Infrastructure and Operational Tempo

The threat actors behind the BianLian Ransomware are rapidly expanding infrastructure, and it has been observed targeting manufacturing organizations. Context On September 1, 2022, researchers at the cybersecurity firm Redacted published a technical analysis of the BianLian ransomware. In the past month, BianLian has been observed being deployed against numerous sectors, including manufacturing, healthcare, and…

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New AstraLocker Version Phishing Campaign

Context On June 28, 2022, ReversingLABS researchers reported a phishing campaign using malicious Microsoft Office files to distribute the new 2.0 version of the AstraLocker ransomware. Researchers assess that the threat actors behind the campaign likely obtained the AstraLocker 2.0 code from the Babuk leak in September of 2021, based on shared code and campaign…

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Ongoing Trend of Ransomware Campaigns Using Copyright Claim as Theme

Context On June 24, 2022, AhnLab Security Emergency response Center (ASEC) researchers reported the technical details of an ongoing phishing campaign that uses malicious files disguised as copyright claim documents to deliver the LockBit ransomware. The use of copyright claims as a theme is an ongoing trend in ransomware phishing campaigns observed in the wild….

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Preventing Ransomware Attacks in a Hybrid Cloud Environment

Businesses interested in scaling up operations are turning to hybrid cloud environments as a cost-effective solution. Hybrid clouds provide the best of both worlds, allowing companies to expand their network without investing in additional, costly on-premises servers that must be maintained. While there are a number of benefits to a hybrid cloud environment, it is,…

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Joint Federal Advisory on Karakurt Data Extortion Group Technical Details

Context On June 1, 2022, the United States Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigations (FBI), the Treasury Department, and the Financial Crimes Enforcement Network released a joint advisory with technical details and indicators of compromise for the Karakurt data extortion group. Karakurt is an advanced persistent threat (APT) group focused…

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