New DotRunpeX Malware Delivers Multiple Malware Families via Malicious Ads

A new piece of malware dubbed dotRunpeX is being applied to distribute many identified malware family members this sort of as Agent Tesla, Ave Maria, BitRAT, FormBook, LokiBot, NetWire, Raccoon Stealer, RedLine Stealer, Remcos, Rhadamanthys, and Vidar.

“DotRunpeX is a new injector composed in .NET utilizing the System Hollowing procedure and applied to infect techniques with a range of recognised malware people,” Check Place said in a report published very last week.

Explained to be in active progress, dotRunpeX arrives as a second-stage malware in the an infection chain, usually deployed by using a downloader (aka loader) which is transmitted as a result of phishing e-mails as malicious attachments.

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Alternatively, it is regarded to leverage destructive Google Ads on search result webpages to direct unsuspecting consumers exploring for well-known software package these types of as AnyDesk and LastPass to copycat internet sites hosting trojanized installers.

The most up-to-date DotRunpeX artifacts, initially noticed in October 2022, incorporate an additional obfuscation layer by working with the KoiVM virtualizing protector.

It truly is really worth pointing out that the findings dovetail with a malvertising campaign documented by SentinelOne very last month in which the loader and the injector factors were collectively referred to as MalVirt.

Test Point’s evaluation has even further unveiled that “every dotRunpeX sample has an embedded payload of a certain malware spouse and children to be injected,” with the injector specifying a checklist of anti-malware procedures to be terminated.

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This, in switch, is created probable by abusing a susceptible procedure explorer driver (procexp.sys) that’s included into dotRunpeX so as to attain kernel method execution.

There are signals that dotRunpeX could be affiliated to Russian-talking actors centered on the language references in the code. The most usually sent malware families shipped by the emerging risk incorporate RedLine, Raccoon, Vidar, Agent Tesla, and FormBook.

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