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Latest analysis into the wiper malware that targeted dozens of Ukrainian agencies earlier this month has revealed “strategic similarities” to NotPetya malware that was unleashed against the country’s infrastructure and elsewhere in 2017.

The malware, dubbed WhisperGate, was discovered by Microsoft last week, which said it observed the destructive cyber campaign targeting government, non-profit, and information technology entities in the nation, attributing the intrusions to an emerging threat cluster codenamed “DEV-0586.”

“While WhisperGate has some strategic similarities to the notorious NotPetya wiper that attacked Ukranian entities in 2017, including masquerading as ransomware and targeting and destroying the master boot record (MBR) instead of encrypting it, it notably has more components designed to inflict additional damage,” Cisco Talos said in a report detailing its response efforts.

Stating that stolen credentials were likely used in the attack, the cybersecurity company also pointed out that the threat actor had access to some of the victim networks months in advance before the infiltrations took place, a classic sign of sophisticated APT attacks.

images from Hacker News