Microsoft says that a recently spotted Windows worm has been found on the networks of hundreds of organizations from various industry sectors.
The malware, dubbed Raspberry Robin, spreads via infected USB devices, and it was first
spotted in September 2021 by Red Canary intelligence analysts.
Cybersecurity firm Sekoia also observed it using QNAP NAS devices as command and control servers (C2) servers in early November [
PDF], while Microsoft said it found malicious artifacts linked to this worm created in 2019.
Redmond's findings align with those of the Red Canary's Detection Engineering team, which also detected this worm on the networks of multiple customers, some of them in the technology and manufacturing sectors.
Although Microsoft observed the malware connecting to addresses on the Tor network, the threat actors are yet to exploit the access they gained to their victims' networks.
This is in spite of the fact that they could easily escalate their attacks given that the malware can bypass User Account Control (UAC) on infected systems using legitimate Windows tools.
