Security News

As many as seven malicious Android apps discovered on the Google Play Store masqueraded as antivirus solutions to deploy a banking trojan called SharkBot. "SharkBot steals credentials and banking information," Check Point researchers Alex Shamshur and Raman Ladutska said in a report shared with The Hacker News.

Remote Access Trojan adds ransomware and DDoS attacks to usual bag of tricks. The Remote Access Trojan, or RAT for short, is a powerful tool among cybercriminals as it allows them to fully access and control a compromised computer or device to steal data or launch additional attacks.

A threat actor is exploiting vulnerable on-prem Microsoft Exchange servers and using hijacked email threads to deliver the IceID trojan without triggering email security solutions. The threat actor - believe to be an initial access broker - compromises vulnerable on-prem Microsoft Exchange servers and existing email accounts, then hijacks email threads by replying to them.

The trojanized Craftsart Cartoon Photo Tools app is available in the official Android app store, but it's actually spyware capable of stealing any and all information from victims' social-media accounts. A popular mobile app in the official Google Play store called "Craftsart Cartoon Photo Tools" has racked up more than 100,000 installs - but unfortunately for the app's enthusiasts, it contains a version of the Facestealer Android malware.

Security researchers tracking the mobile app ecosystem have noticed a recent spike in trojan infiltration on the Google Play Store, with one of the apps having over 500,000 installs and available to download. Most of these apps belong to a family of trojan malware used in various scams, resulting in financial losses and also loss of sensitive personal information. The threats discovered on the Play Store by Dr. Web's analysts include cryptocurrency management apps, social benefit aid tools, Gasprom investment clones, photo editors, and a launcher themed after iOS 15.

The TeaBot banking trojan - also known as "Anatsa" - has been spotted on the Google Play store, researchers from Cleafy have discovered. Hank Schless, senior manager of security solutions at Lookout, explained via email that attackers "Usually stick to utility apps like QR code scanners, flashlights, photo filters, or PDF scanners because these are apps that people download out of necessity and likely won't put as much time into looking at reviews that might impact their decision to download.".

"As tanks rolled into Ukraine, so did malware," summarized humanitarian author Andreas Harsono, referring to the novel malware that Microsoft has named FoxBlade. "Several hours before the launch of missiles or movement of tanks on February 24, Microsoft's Threat Intelligence Center detected a new round of offensive and destructive cyberattacks directed against Ukraine's digital infrastructure," Microsoft President and Vice-Chair Brad Smith said.

The overall number of attacks on mobile users is down, but they're getting slicker, both in terms of malware functionality and vectors, researchers say. The company's mobile products and technologies detected 97,661 new mobile banking trojans, along with 3,464,756 malicious installation packages and 17,372 new mobile ransomware trojans.

A new Android banking trojan with over 50,000 installations has been observed distributed via the official Google Play Store with the goal of targeting 56 European banks and carrying out harvesting sensitive information from compromised devices. Xenomorph, like Alien and ERMAC, is yet another example of an Android banking trojan that's focused on circumventing Google Play Store's security protections by masquerading as productivity apps such as "Fast Cleaner" to trick unaware victims into installing the malware.

Threat actors are targeting Microsoft Teams users by planting malicious documents in chat threads that execute Trojans that ultimately can take over end-user machines, researchers have found.In January, researchers at Avanan, a Check Point Company, began tracking the campaign, which drops malicious executable files in Teams conversations that, when clicked on, eventually take over the user's computer, according to a report published Thursday.