RansomHub Group Deploys New EDR-Killing Tool in Latest Cyber Attacks
Aug 15, 2024
Ransomware / Cybercrime
A cybercrime group with links to the RansomHub ransomware has been observed using a new tool designed to terminate endpoint detection and response (EDR) software on compromised hosts, joining the likes of other similar programs like AuKill (aka AvNeutralizer) and Terminator . The EDR-killing utility has been dubbed EDRKillShifter by cybersecurity company Sophos, which discovered the tool in connection with a failed ransomware attack in May 2024. "The EDRKillShifter tool is a 'loader' executable – a delivery mechanism for a legitimate driver that is vulnerable to abuse (also known as a 'bring your own vulnerable driver,' or BYOVD , tool)," security researcher Andreas Klopsch said . "Depending on the threat actor's requirements, it can deliver a variety of different driver payloads." RansomHub , a suspected rebrand of the Knight ransomware, surfaced in February 2024, leveraging known security flaws to obtain initial access and drop legitimate rem