Cisco Talos has identified a new backdoor authored and operated by the Turla APT group, a Russian cyber espionage threat group. This new backdoor we’re calling “TinyTurla-NG” (TTNG) is similar to Turla’s previously disclosed implant,
TinyTurla, in coding style and functionality implementation.Talos assesses with high confidence that TinyTurla-NG, just like TinyTurla, is a small “last chance” backdoor that is left behind to be used when all other unauthorized access/backdoor mechanisms have failed or been detected on the infected systems.TinyTurla-NG was seen as early as December 2023 targeting a Polish non-governmental organization (NGO) working on improving Polish democracy and supporting Ukraine during the Russian invasion. We’ve also discovered previously unknown PowerShell scripts we’re calling “TurlaPower-NG '' that are meant to act as file exfiltrators. TinyTurla-NG deployed these scripts to exfiltrate key material used to secure the password databases of popular password management software, indicating a concerted effort for Turla to steal login credentials.
Talos, in cooperation with CERT.NGO, investigated another compromise by the Turla threat actor, with a new backdoor quite similar to TinyTurla, that we are calling TinyTurla-NG (TTNG). Our findings indicate that Polish non-governmental organizations (NGOs) are actively being targeted, with at least one of them supporting Ukraine. While NGOs aren’t directly involved in conflicts they frequently participate in providing aid to entities suffering through the conflicts. Aggressor parties may deem it strategically beneficial to monitor such NGOs to keep track of ongoing and potentially new aid packages for their victims.
Turla has been widely known to target entities across the world using a huge set of offensive tools in geographies including ..
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