Monday, June 24, 2024

4.2 Million Android Mobile Infected by “ExpensiveWall” Malware That Can Control Your Mobile Wallet

A New Google Play Store Android Malware called “ExpensiveWall” Discovered that can able to Control the Android Mobile wallet by sending fraudulent premium SMS messages which leads to charge for fake services.

“ExpensiveWall” Infected almost 50 + Android Application and Downloads of this Apps Estimated Around 1 million and 4.2 million.

This New Variant Family has Discovered on earlier time of 2017 and the entire malware family has now been downloaded between 5.9 million and 21.1 million times.

This Expensive Malware Is Completely Packed . Malware authors are Encrypt the Source code and also used Advanced obfuscated Technique to Evade the Google Play Security.

Also Read : Beware!! All Android Versions Up to 7.0 are Vulnerable to Toast Overlay Attack

How Does ExpensiveWall Android Malware Works

ExpensiveWall is Specially designed for Generating Profits from its Targeting Victims and also using Google Play Store, that is the fastest way to Targeting huge number of Victims.

Initially, Once Expensive Malware is Downloaded, it  asks Permission from users to access Internet, Message, and other Sensitive Permissions.

Most of the User will give Permissions without thinking the security. In This Case, Many of the Applications seeking Permission for Legitimate Purpose but Few of them are performing Malicious Activities.

App Permissions Leads  to connect  its C&C server – and SMS permissions – which enable it to send premium SMS messages and register users for other paid services all without the users knowledge.

Here, There is an Interface called  WebView which helps to running the JavaScript code  inside of the WebView that allow to trigger in-app activities by connecting App Activities and JavaScript  Code.

According to Checkpoint Report, Once C&C Sever Connection has successfully Established then, the infected device to its C&C server, including its location and unique identifiers, such as MAC and IP addresses, IMSI, and IMEI.

This Malware Connect to C&C server whenever Infected Device Switched on and received an URL in the WebView  interface that contains Malicious java script code.

Android Malware

Malicious code secretly click the link and subscribing them to premium services and sending SMS messages and generating revenue by silently  clicking ads.

Checkpoint Report this Malware activities to Google and Google promptly removed the reported samples from its store.

But already Millions of users were Download this Malware which remains to do the Malicious activities unless the App get uninstalled.

Website

Latest articles

Threat Actor Claiming a 0-day in Linux LPE Via GRUB bootloader

A new threat actor has emerged, claiming a zero-day vulnerability in the Linux GRUB...

LockBit Ransomware Group Claims Hack of US Federal Reserve

The notorious LockBit ransomware group has claimed responsibility for hacking the U.S. Federal Reserve,...

Microsoft Power BI Vulnerability Let Attackers Access Organizations Sensitive Data

A vulnerability in Microsoft Power BI allows unauthorized users to access sensitive data underlying...

Consulting Companies to Pay $11 Million Failing Cybersecurity Requirements

Two consulting companies, Guidehouse Inc. and Nan McKay and Associates, have agreed to pay...

New RAT Malware SneakyChef & SugarGhost Attack Windows Systems

Talos Intelligence has uncovered a sophisticated cyber campaign attributed to the threat actor SneakyChef....

Chinese Winnti Group Intensifies Financially Motivated Attacks

Hackers are increasingly executing financially motivated attacks and all due to the lucrative potential...

PrestaShop Website Under Injection Attack Via Facebook Module

A critical vulnerability has been discovered in the "Facebook" module (pkfacebook) from Promokit.eu for...
Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Free Webinar

API Vulnerability Scanning

71% of the internet traffic comes from APIs so APIs have become soft targets for hackers.Securing APIs is a simple workflow provided you find API specific vulnerabilities and protect them.In the upcoming webinar, join Vivek Gopalan, VP of Products at Indusface as he takes you through the fundamentals of API vulnerability scanning..
Key takeaways include:

  • Scan API endpoints for OWASP API Top 10 vulnerabilities
  • Perform API penetration testing for business logic vulnerabilities
  • Prioritize the most critical vulnerabilities with AcuRisQ
  • Workflow automation for this entire process

Related Articles