Notorious Russian military hacking crew behind October ransomware attacks on Ukraine, Poland

guest · Nov 12, 2022

By AJ Vicens | Cyberscoop - November 10, 2022

Researchers at Microsoft said Thursday that an attack on transportation and logistics companies in Ukraine and Poland last month was the work of a notorious Russian military intelligence unit.

The Oct. 11 attack — dubbed “Prestige” — attempted to cripple access to computers across the organizations it targeted. When successful, the attack effectively made it impossible for companies to access their computer systems.
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The group behind the attacks — tracked by Microsoft’s Threat Intelligence Center (MSTIC) as “Iridium” but known widely as “Sandworm” — is the same group that attempted to take out multiple electricity substations and other parts of a grid serving 2 million people on April 8 in Ukraine.

Microsoft, which worked in collaboration with Ukraine’s Computer Emergency Response Team in investigating the attack, revealed the Prestige ransomware attacks on Oct. 14, noting at the time that the attacks had similar victims to “recent Russian state-aligned activity, specifically on affected geographies and countries,” [...]
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“The Prestige campaign may highlight a measured shift in IRIDIUM’s destructive attack calculus, signaling increased risk to organizations directly supplying or transporting humanitarian or military assistance to Ukraine,” the researchers said Thursday in an update to their blog post from Oct. 14.

“More broadly, it may represent an increased risk to organizations in Eastern Europe that may be considered by the Russian state to be providing support relating to the war.”
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Microsoft: New “Prestige” ransomware impacts organizations in Ukraine and Poland

October 14, 2022
November 10, 2022 update: MSTIC has updated this blog to document assessed attribution of DEV-0960 as IRIDIUM, the actor that executed the Prestige ransomware-style attacks.
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Notorious Russian military hacking crew behind October ransomware attacks on Ukraine, Poland

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