Roaming Mantis: New DNS Changer In Its Malicious Mobile App

Roaming Mantis (a.k.a Shaoye) is a long-term cyberattack campaign that uses malicious Android package (APK) files to control infected Android devices and steal data. In 2022, Kaspersky observed a DNS changer function implemented in its Android malware Wroba.o.

Back in 2018, Kaspersky first saw Roaming Mantis activities targeting the Asian region, including Japan, South Korea and Taiwan. At that time, the criminals compromised Wi-Fi routers for use in DNS hijacking, which is a very effective technique. It was identified as a serious issue in both Japan and South Korea. Through rogue DNS servers, all users accessing a compromised router were redirected to a malicious landing page. From mid-2019 until 2022, the criminals mainly used smishing instead of DNS hijacking to deliver a malicious URL as their landing page. The landing page identified the user’s device platform to provide malicious APK files for Android or redirect to phishing pages for iOS. Users with infected Android devices that connect to free or public Wi-Fi networks may spread the malware to other devices on the network if the Wi-Fi network they are connected to is vulnerable.

Roaming Mantis: New DNS Changer In Its Malicious Mobile App
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