Anubis banking malware re-emerges again and the threat actors distribute the malware on Google Play store apps to steal login credentials to banking apps, e-wallets, and payment cards.
Hackers always finding new ways to bypass the Google play store security and distributing malware via Android apps that will act as the first step in an infection routine that fetches the BankBot Anubis mobile banking Trojans via the C&C server.
Users frequently get infected once they download and install malicious apps via the google play store, even though play store security inspect all the app uploaded into Google Play, cybercriminals always implement sophisticated techniques to evade detection.
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Researchers found a new downloader in-app store that was linked with Anubis banking malware and this campaign contains at least 10 malicious downloaders disguised as various applications.
All the downloaders distributed via Android apps can fetch more than 1,000 samples from the criminal’s command-and-control (C&C) servers.
Cybercriminals uploading apps into google play store looks like a legitimate one they compromise users by promoting that they are providing “expertise” as a service.
Anubis banking malware Sample apps
Researchers discovered Malicious apps play store apps that posed as legitimate ones and the downloader apps target Turkish-speaking users.
All the malicious apps are uploaded to different categories such as online shopping financial services and even an automotive app.
Malicious downloader is more stealthy and one of the apps contains zero detection in VirusTotal listed antivirus engines.
According to X-Force’s analysis, these changes suggest that the downloader app is being maintained on an ongoing basis — another sign that it is a commodity offered to cybercriminals or a specific group that’s focused on defrauding Turkish mobile banking users.
Once the malicious downloader is successfully installed into the victim’s Android mobile then the app fetches BankBot Anubis from one of its C&C servers.
Also, BankBot Anubis malware posed as an app called “Google Protect” and force users to grant permission.
This accessibility will act as a keylogger to obtain the infected user’s credentials from the infected user’s mobile.
“In most Android banking Trojans, the malware launches a fake overlay screen when the user accesses a target app.
The user then taps his or her account credentials into the fake overlay, which allows the malware to steal the data. BankBot Anubis streamlines this process.“
The downloader apps in this particular campaign were designed to address Turkish users. With different botnets and configurations.
BankBot Anubis itself also targets users in many countries such as Australia, Austria, Azerbaijan, Belarus, Brazil, Canada, China, Czech Republic, France, Georgia, Germany, Hong Kong, India, Ireland, Israel, Japan Kazakhstan, Spain, Taiwan, Turkey, U.K. U.S.
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