Cyber Risks · Dragos Blog

ELECTRUM Targeted Ukrainian Electric Entity Using Custom Tools and Caddy Wiper Malware, October 2022

Summary: Dragos attributes a disruptive attack on a Ukrainian electric substation, running from June 2022 to events on October 10 and 12, 2022, to the ELECTRUM threat group, which has technical overlaps with SANDWORM. ELECTRUM gained access to a hypervisor running an end-of-life version of MicroSCADA, attempted to execute custom living-off-the-land scripts against substation availability and control, and used a new version of CaddyWiper to remove its footprint from compromised IT systems.

Bottom line: ELECTRUM has attacked Ukrainian electric utilities repeatedly since 2015, including a 2016 outage that cut power to a quarter-million homes, and it stayed dormant on this entity's network for at least a month before acting. The compromised MicroSCADA was end-of-life, and that software has been deployed in more than 10,000 substations monitoring the electric supply for over 10 percent of the world's population.

Read the original at Dragos Blog ↗

Topics
OT / ICS & Critical Infrastructure
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