Cyber Criminals from roaming mantis hacking group actively targeting iOS devices to inject web crypto mining via the malicious content delivery system.
Roaming Mantis group already involved with various cybercrime such as DNS hijacking the router to spread malicious android application to the target system and also they spoof legitimate apps Facebook and Chrome.
Their malware already supported almost 27 languages in various countries such as Europe, Asia, Middle East and now they have started the crypto-mining campaign.
Web miner from Roaming Mantis group distributed via Apple phishing page and the users will be redirected to the fake page that will help to attackers let deliver the malicious crypto mining script.
Roaming Mantis is also trying to spread its malware via prezi.com using scams that offer visitor free content such as videos and more.
iOS Crypto-mining Infection Method
Attacker initially compromises victims via Apple phishing page in order to steal the target victims credentials.
Meanwhile, web miner script will be added within the HTML code and an attacker disabled redirection to the fake Apple portal that will mining operation in iOS devices.
When a user tries to access the landing page, it will show only a blank page but the mining script will start its execution process and CPU usage increases to 90% immediately in the background.
During the researcher finds that attacker switched back to Apple phishing again which is possibly attackers test the possible revenue from web mining on iOS devices via coinhive miner.
Another Infection methods
Attackers from Roaming Mantis group also delivering the coinhive mining script via malicious Android APK files which are delivering by another Android malware “sagawa.apk” delivery system.
In this case, infection vector starts users received a phishing SMS message spoofing a notification from a Japanese delivery company along with URL.
Once the user clicks the link then it will redirect victims into a malicious website where “sagawa.apk” will be downloaded and installed.
According to Kaspersky research, “Unfortunately, the relationship between the Roaming Mantis group and the service owner of the “sagawa.apk” delivery mechanism isn’t very clear at the moment. They might just use the same service as customers, or might not. However, it is clear that these criminal groups use the same malware-spreading eco-system for spreading their Android malware.”
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