By using this site, you agree to the Privacy Policy and Terms of Use.
Accept
10alert.com10alert.com
  • Threats
    • WordPress ThreatsDanger
    Threats
    A cyber or cybersecurity threat is a malicious act that seeks to damage data, steal data, or disrupt digital life in general. Cyber threats include…
    Show More
    Top News
    LofyLife: malicious packages in npm repository
    8 months ago
    Fireball: Adware with potential nuclear consequences
    8 months ago
    Cryakl/Fantomas victims rescued by new decryptor
    8 months ago
    Latest News
    Safeguards against firmware signed with stolen MSI keys
    1 day ago
    WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
    1 day ago
    Wordfence Intelligence Weekly WordPress Vulnerability Report (May 15, 2023 to May 21, 2023)
    6 days ago
    Wordfence Firewall Blocks Bizarre Large-Scale XSS Campaign
    1 week ago
  • Fix
    Fix
    Troubleshooting guide you need when errors, bugs or technical glitches might ruin your digital experience.
    Show More
    Top News
    Surface Pro 4 teardown: Get a closer look at the components
    8 months ago
    How to reset Windows Update components on Windows 10
    8 months ago
    Windows 11 build 22610 with new changes in Dev and Beta Channels
    8 months ago
    Latest News
    How automatically delete unused files from my Downloads folder?
    4 months ago
    Now you can speed up any video in your browser
    4 months ago
    How to restore access to a file after EFS or view it on another computer?
    4 months ago
    18 Proven Tips to Speed Up Your WordPress Site and Improve SEO | 2023 Guide
    5 months ago
  • How To
    How ToShow More
    What is two-factor authentication | Kaspersky official blog
    2 days ago
    Acer refreshes Windows 11 PCs for work and play: Swift Edge 16 and Predator Triton 16
    4 days ago
    NVIDIA GeForce RTX 4080 New Mercury Editions of Razer Blade 16 and Blade 18 now available
    4 days ago
    How Oxy uses hooks for maximum extensibility
    How Oxy uses hooks for maximum extensibility
    5 days ago
    The personal threat landscape: securing yourself smartly
    5 days ago
  • News
    News
    This category of resources includes the latest technology news and updates, covering a wide range of topics and innovations in the tech industry. From new…
    Show More
    Top News
    How do you know if your accounts have been hacked?
    8 months ago
    How to protect yourself from piercing by IP address?
    8 months ago
    How to find out the IP address of your enemy in a couple of clicks
    8 months ago
    Latest News
    How to create virtual drive (VHD, VHDX, Dev Drive) on Windows 11
    2 days ago
    How to enable Taskbar End Task option to close apps on Windows 11
    2 days ago
    How to check USB4 devices specs from Settings on Windows 11
    2 days ago
    How to enable new header UI for File Explorer on Windows 11
    1 week ago
  • Glossary
  • My Bookmarks
Reading: Fake Security App Found Abuses Japanese Payment System
Share
Notification Show More
Aa
Aa
10alert.com10alert.com
  • Threats
  • Fix
  • How To
  • News
  • Glossary
  • My Bookmarks
  • Threats
    • WordPress ThreatsDanger
  • Fix
  • How To
  • News
  • Glossary
  • My Bookmarks
Follow US
Threats

Fake Security App Found Abuses Japanese Payment System

Tom Grant
Last updated: 2 December
Tom Grant 6 months ago
Share
7 Min Read

Contents
How do victims install this malware? What does this malware look like?How does this malware work?ConclusionIoCs (Indicators of Compromise) 

McAfee’s Mobile Research team recently analyzed new malware targeting mobile payment users in Japan. The malware which was distributed on the Google Play store pretends to be a legitimate mobile security app, but it is in fact a payment fraud malware stealing passwords and abusing reverse proxy targeting the mobile payment services. McAfee researchers notified Google of the malicious apps, スマホ安心セキュリティ, or ‘Smartphone Anshin Security’, package name ‘com.z.cloud.px.app’ and ‘com.z.px.appx’. The applications are no longer available on Google Play. Google Play Protect has also taken steps to protect users by disabling the apps and providing a warning. McAfee Mobile Security products detect this threat as Android/ProxySpy.  

How do victims install this malware? 

The malware actor continues to publish malicious apps on the Google Play Store with various developer accounts. According to the information posted on Twitter by Yusuke Osumi, Security Researcher at Yahoo! Japan, the attacker sends SMS messages from overseas with a Google Play link to lure users to install the malware. To attract more users, the message entices users to update security software. 

A SMS message from France (from Twitter post by Yusuke)

Malware on Google Play 

The Mobile Research team also found that the malware actor uses Google Drive to distribute the malware. In contrast to installing an application after downloading an APK file, Google Drive allows users to install APK files without leaving any footprint and makes the installation process simpler. Once the user clicks the link, there are only a few more touches required to run the application. Only three clicks are enough if users have previously allowed the installation of unknown apps on Google Drive. 

Following notification from McAfee researchers, Google has removed known Google Drive files associated with the malware hashes listed in this blog post. 

 

What does this malware look like?

When a user installs and launches this malware, it asks for the Service password. Cleverly, the malware shows incorrect password messages to collect the more precise passwords. Of course, it does not matter whether the password is correct or not. It is a way of getting the Service password. The Service password is used for the payment service which provides easy online payments. The user can start this payment service by setting a Service password. The charge will be paid along with the mobile phone bill. 

Interface comparison.

How does this malware work?

There is a native library named ‘libmyapp.so’ loaded during the app execution written in Golang. The library, when loaded, tries to connect to the C2 server using a Web Socket. Web Application Messaging Protocol (WAMP) is used to communicate and process Remote Procedure Calls (RPC). When the connection is made, the malware sends out network information along with the phone number. Then, it registers the client’s procedure commands described in the table below. The web socket connection is kept alive and takes the corresponding action when the command is received from the server like an Agent. And the socket is used to send the Service password out to the attacker when the user enters the Service password on the activity. 

RPC Function name Description 
connect_to Create reverse proxy and connect to remote server 
disconnect Disconnect the reverse proxy 
get_status Send the reverse proxy status 
get_info Send line number, connection type, operator, and so on 
toggle_wifi Set the Wi-Fi ON/OFF 
show_battery_opt Show dialog to exclude battery optimization for background work 

Registered RPC functions description 

Initial Hello packet contains personal information Sending out The Service password

To make a fraudulent purchase by using leaked information, the attacker needs to use the user’s network. The RPC command ‘toggle_wifi’ can switch the connection state to Wi-Fi or cellular network, and ‘connect_to’ will provide a reverse proxy to the attacker. A reverse proxy can allow connecting the host behind a NAT (Network Address Translation) or a firewall. Via the proxy, the attacker can send purchase requests via the user’s network. 

Network and command flow diagram

Conclusion

It is an interesting point that the malware uses a reverse proxy to steal the user’s network and implement an Agent service with WAMP. McAfee Mobile Research Team will continue to find this kind of threat and protect our customers from mobile threats. It is recommended to be more careful when entering a password or confidential information into untrusted applications. 

IoCs (Indicators of Compromise) 

193[.]239[.]154[.]23
91[.]204[.]227[.]132
ruboq[.]com 

SHA256 Package Name Distribution  
5d29dd12faaafd40300752c584ee3c072d6fc9a7a98a357a145701aaa85950dd com.z.cloud.px.app Google Play 
e133be729128ed6764471ee7d7c36f2ccb70edf789286cc3a834e689432fc9b0 com.z.cloud.px.app Other 
e7948392903e4c8762771f12e2d6693bf3e2e091a0fc88e91b177a58614fef02 com.z.px.appx Google Play 
3971309ce4a3cfb3cdbf8abde19d46586f6e4d5fc9f54c562428b0e0428325ad com.z.cloud.px.app2 Other 
2ec2fb9e20b99f60a30aaa630b393d8277949c34043ebe994dd0ffc7176904a4 com.jg.rc.papp Google Drive 
af0d2e5e2994a3edd87f6d0b9b9a85fb1c41d33edfd552fcc64b43c713cdd956 com.de.rc.seee Google Drive 

 

source: McAfee Labs

Translate this article

TAGGED: DoS, Malware, Security, Software, Threat
Tom Grant December 2, 2022 December 2, 2022
Share this Article
Facebook Twitter Reddit Telegram Email Copy Link Print

STAY CONECTED

24.8k Followers Like
253.9k Followers Follow
33.7k Subscribers Subscribe
124.8k Members Follow

LAST 10 ALERT

Safeguards against firmware signed with stolen MSI keys
Threats 1 day ago
WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
Wordpress Threats 1 day ago
How to create virtual drive (VHD, VHDX, Dev Drive) on Windows 11
News 2 days ago
How to enable Taskbar End Task option to close apps on Windows 11
News 2 days ago
How to check USB4 devices specs from Settings on Windows 11
News 2 days ago

Recent Posts

  • Safeguards against firmware signed with stolen MSI keys
  • WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
  • How to create virtual drive (VHD, VHDX, Dev Drive) on Windows 11
  • How to enable Taskbar End Task option to close apps on Windows 11
  • How to check USB4 devices specs from Settings on Windows 11

You Might Also Like

Threats

Safeguards against firmware signed with stolen MSI keys

1 day ago
WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
Wordpress Threats

WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin

1 day ago
News

How to create virtual drive (VHD, VHDX, Dev Drive) on Windows 11

2 days ago
How To

What is two-factor authentication | Kaspersky official blog

2 days ago
Show More

Related stories

How to Use Cloudflare to Secure Your WordPress Site
How To Starting Chrome from the command line
How to fix error 0x80070057 in Chrome?
Windows 10 How To Disable Slide to Shutdown
Windows search not working (FIX)
How to watch movies and TV series for free on Kinopoisk?
Previous Next

10 New Stories

What is two-factor authentication | Kaspersky official blog
Acer refreshes Windows 11 PCs for work and play: Swift Edge 16 and Predator Triton 16
NVIDIA GeForce RTX 4080 New Mercury Editions of Razer Blade 16 and Blade 18 now available
How Oxy uses hooks for maximum extensibility
The personal threat landscape: securing yourself smartly
Wordfence Intelligence Weekly WordPress Vulnerability Report (May 15, 2023 to May 21, 2023)
Previous Next
Hot News
Safeguards against firmware signed with stolen MSI keys
WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
How to create virtual drive (VHD, VHDX, Dev Drive) on Windows 11
How to enable Taskbar End Task option to close apps on Windows 11
How to check USB4 devices specs from Settings on Windows 11
10alert.com10alert.com
Follow US

© 10 Alert Network. All Rights Reserved.

  • Privacy Policy
  • Contact
  • Customize Interests
  • My Bookmarks
  • Glossary
Go to mobile version
adbanner
AdBlock Detected
Our site is an advertising supported site. Please whitelist to support our site.
Okay, I'll Whitelist
Welcome Back!

Sign in to your account

Lost your password?