The FBI has warned of a FIN7 cybercrime marketing campaign during which attackers mail USB thumb drives to US organizations with the aim of delivering ransomware into their environments.
In an alert despatched late final week, the FBI stated it has obtained experiences of a number of packages containing malicious USB units that have been despatched to US firms within the transportation, insurance coverage, and protection industries. The exercise has been ongoing since August 2021, the FBI stated, and packages have been despatched through the USA Postal Service and United Parcel Service.
There are two variations of packages despatched: One is disguised to seem as if it is from the US Division of Well being and Human Providers; these parcels typically comprise messages about COVID-19 tips along with the USB. The second sort is designed to mimic Amazon; these are available in a embellished reward field with a thank-you message, faux reward card, and the malicious USB.
Based on the FBI, recipients who plug these USB drives into their units would develop into the victims of a “BadUSB” assault during which the USB would register itself as a keyboard and ship preconfigured keystrokes and instructions to the machine. These would run PowerShell instructions that put in malware and have become a backdoor for future entry.
FIN7 has reportedly used a number of instruments — together with Metasploit, Cobalt Strike, Carbanak, and PowerShell scripts — to deploy ransomware, corresponding to BlackMatter and REvil, on course networks, reported The Report, citing the FBI alert.
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