APT group Mustang Panda now appears to have Europe and Asia Pacific targets in its sights. The BlackBerry Research and Intelligence team recently unearthed evidence that the group may be using global interest in the Russian-Ukraine war to deliver PlugX malware via phishing lure to unsuspecting users.
The Zimperium zLabs team recently discovered a malicious browser extension, originally called Cloud9, which not only steals the information available during the browser session but can also install malware on a user's device and subsequently assume control of the entire device. In this blog, we will take a deeper look into this malicious browser extension.
A family of malicious apps from developer Mobile apps Group are listed on Google Play and infected with Android/Trojan.HiddenAds.BTGTHB. In total, four apps are listed, and together they have amassed at least one million downloads.
Older versions of these apps have been detected in the past as different variants of Android/Trojan.HiddenAds. Yet, the developer is still on Google Play dispensing its latest HiddenAds malware.
Microsoft has discovered recent activity indicating that the Raspberry Robin worm is part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread.
A new variant of the URSNIF malware, first observed in June 2022, marks an important milestone for the tool. Unlike previous iterations of URSNIF, this new variant, dubbed LDR4, is not a banker, but a generic backdoor (similar to the short-lived SAIGON variant), which may have been purposely built to enable operations like ransomware and data theft extortion. This is a significant shift from the malware’s original purpose to enable banking fraud, but is consistent with the broader threat landscape.
CISA analyzed 15 files associated with China Chopper malware. The files are modified Offline Address Book (OAB) Virtual Directory (VD) configuration files for Microsoft Exchange servers. The files have been modified with a variant of the China Chopper webshell. The webshells allow an attacker to remotely access the server and execute arbitrary code on the system(s).referenced in this bulletin or otherwise.
CISA analyzed 4 files associated with HyperBro malware. The files creates a backdoor program that is capable of uploading and downloading files to and from the system. The RAT is also capable of logging keystrokes and executing commands on the system.