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AcidRain | A Modem Wiper Rains Down on Europe

Posted on April 1, 2022 by Dissent

Juan Andres Guerrero-Saade reports:

Executive Summary

  • On Thursday, February 24th, 2022, a cyber attack rendered Viasat KA-SAT modems inoperable in Ukraine.
  • Spillover from this attack rendered 5,800 Enercon wind turbines in Germany unable to communicate for remote monitoring or control.
  • Viasat’s statement on Wednesday, March 30th, 2022 provides a somewhat plausible but incomplete description of the attack.
  • SentinelLabs researchers discovered new malware that we named ‘AcidRain’.
  • AcidRain is an ELF MIPS malware designed to wipe modems and routers.
  • We assess with medium-confidence that there are developmental similarities between AcidRain and a VPNFilter stage 3 destructive plugin. In 2018, the FBI and Department of Justice attributed the VPNFilter campaign to the Russian government
  • AcidRain is the 7th wiper malware associated with the Russian invasion of Ukraine.
  • Update: In a statement disseminated to journalists, Viasat confirmed the use of the AcidRain wiper in an attack against their modems.

Read the full article at SentinelLabs.

Category: Commentaries and AnalysesMalwareOf Note

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