Researchers at ESET said they found a previously undocumented backdoor and document stealer – dubbed “Crutch” by its developers – that they can attribute to the notorious Russian hacker group Turla.
In a blog posted earlier today, ESET said Turla used Crutch against several machines of the Ministry of Foreign Affairs in an unspecified European Union country. The Crutch toolset was designed to exfiltrate sensitive documents and other files to DropBox accounts controlled by Turla operators.
ESET reports that Crutch was used from 2015 to at least early 2020. The researchers believe that Turla uses this malware family only against very specific targets, which runs consistent with many of the Turla group’s toolsets.
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