TimbreStealer campaign targets Mexican users with financial lures
Talos has observed a phishing spam campaign targeting potential victims in Mexico, luring users to download a new obfuscated information stealer we’re calling TimbreStealer, which has been active since at least November 2023.
TinyTurla-NG in-depth tooling and command and control analysis
Cisco Talos, in cooperation with CERT.NGO, has discovered new malicious components used by the Turla APT. New findings from Talos illustrate the inner workings of the command and control (C2) scripts deployed on the compromised WordPress servers utilized in the compromise we previously disclosed.
Astaroth, Mekotio & Ousaban abusing Google Cloud Run in LATAM-focused malware campaigns
Since September 2023, we have observed a significant increase in the volume of malicious emails leveraging the Google Cloud Run service to infect potential victims with banking trojans.
TinyTurla Next Generation - Turla APT spies on Polish NGOs
This new backdoor we’re calling “TinyTurla-NG” (TTNG) is similar to Turla’s previously disclosed implant, TinyTurla, in coding style and functionality implementation.
New Zardoor backdoor used in long-term cyber espionage operation targeting an Islamic organization
Talos discovered a new, stealthy espionage campaign that has likely persisted since at least March 2021. The observed activity affects an Islamic non-profit organization using backdoors for a previously unreported malware family we have named “Zardoor.”
Intellexa and Cytrox: From fixer-upper to Intel Agency-grade spyware
Talos revealed that rebooting an iOS or Android device may not remove the Predator spyware produced by Intellexa. Intellexa knows if their customers intend to perform surveillance operations on foreign soil.
A deep dive into Phobos ransomware, recently deployed by 8Base group
Cisco Talos has recently observed an increase in activity conducted by 8Base, a ransomware group that uses a variant of the Phobos ransomware and other publicly available tools to facilitate their operations.
Understanding the Phobos affiliate structure and activity
Cisco Talos identified the most prolific Phobos variants, TTPs and affiliate structure, based on their activity and analysis of over 1,000 samples from VirusTotal dating back to 2019. We assess with moderate confidence Eking, Eight, Elbie, Devos and Faust are the most common variants
Spammers abuse Google Forms’ quiz to deliver scams
Cisco Talos has recently observed an increase in spam messages abusing a feature of quizzes created within Google Forms.