VentureBeat has contacted Microsoft to ask if the company can specify on what dates it has observed the other attacks involving HermeticWiper/FoxBlade, and what the date was of the most recent attack involving that wiper malware. “Microsoft assesses that there continues to be a risk for destructive activity from this group, as we have observed follow-on intrusions since February 23 involving these malicious capabilities,” the company said in the blog post update. While the company did not provide specifics, Microsoft appears to be describing an ongoing risk from the threat actor behind the HermeticWiper/FoxBlade attacks. Most concerning, however, is Microsoft’s apparent revelation that the HermeticWiper cyberattacks did not stop on February 23. The HermeticWiper attacks affected “hundreds of systems spanning multiple government, information technology, financial sector and energy organizations,” Microsoft said. Other researchers have noted that the HermeticWiper struck Ukrainian organizations several hours before Russia’s invasion of Ukraine.
The initial HermeticWiper/FoxBlade attacks struck organizations “predominately located in or with a nexus to Ukraine” on February 23, Microsoft said in the blog.
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The MSRC update also follows a blog post from Microsoft president Brad Smith on Monday, in which he stated that some recent cyberattacks against civilian targets in Ukraine “raise serious concerns under the Geneva Convention.” HermeticWiperįor starters, the MSRC blog update clarifies a point of confusion: The wiper malware that has been dubbed HermeticWiper by other researchers is, in fact, the same malware as the wiper that Smith referred to as “FoxBlade” in his Monday blog post. Russia is not mentioned in the Microsoft Security Response Center (MSRC) blog update today. The string of wiper cyberattacks have coincided with Russia’s unprovoked troop build-up, invasion and deadly assault on its neighbor Ukraine. In particular, Microsoft indicates that as of now, “there continues to be a risk” from the threat actor behind the HermeticWiper attacks. But the update also implies that additional wiper attacks have been observed that are not being disclosed for now.
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The update largely compiles and clarifies details on a series of previously reported wiper attacks that have struck Ukrainian government and civilian organizations over the past week.
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