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Threat actors associated with the Roaming Mantis attack campaign have been observed delivering an updated variant of their patent mobile malware known as Wroba to infiltrate Wi-Fi routers and undertake Domain Name System (DNS) hijacking.

Kaspersky, which carried out an analysis of the malicious artefact, said the feature is designed to target specific Wi-Fi routers located in South Korea.

Roaming Mantis, also known as Shaoye, is a long-running financially motivated operation that singles out Android smartphone users with malware capable of stealing bank account credentials as well as harvesting other kinds of sensitive information.

Although primarily targeting the Asian region since 2018, the hacking crew was detected expanding its victim range to include France and Germany for the first time in early 2022 by camouflaging the malware as the Google Chrome web browser application.

The attacks leverage smishing messages as the initial intrusion vector of choice to deliver a booby-trapped URL that either offers a malicious APK or redirects the victim to phishing pages based on the operating system installed in the mobile devices.

images from Hacker News