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ANDROIDOS_SPYNT.HRX

August 02, 2016
 Analysis by: Jason Gu
 PLATFORM:

Android OS

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor gathers device information. It monitors all incoming and outgoing calls.

  TECHNICAL DETAILS

File Size:

1818612 bytes

Memory Resident:

Yes

Payload:

Steals information

Mobile Malware Routine

This backdoor gathers the following device information:

  • imei
  • Wi-Fi MAC address
  • cellphone information

It posts the following information to its command and control (C&C) server:

  • Call logs
  • SMS
  • Contacts
  • Location
  • Phone accounts

It monitors all incoming and outgoing calls.

It does the following when installed on the affected device:

  • install other apk

The SMS message it sends contains the following text:

  • send|

Upon installation, it asks for the following permissions:

  • android.permission.ACCESS_COARSE_LOCATION
  • android.permission.ACCESS_FINE_LOCATION
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.ACCESS_WIFI_STATE
  • android.permission.BIND_NOTIFICATION_LISTENER_SERVICE
  • android.permission.CALL_PHONE
  • android.permission.CAMERA
  • android.permission.CHANGE_WIFI_STATE
  • android.permission.GET_ACCOUNTS
  • android.permission.INTERNET
  • android.permission.KILL_BACKGROUND_PROCESSES
  • android.permission.READ_CALL_LOG
  • android.permission.READ_CONTACTS
  • android.permission.READ_PHONE_STATE
  • android.permission.READ_SMS
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.RECORD_AUDIO
  • android.permission.SEND_SMS
  • android.permission.SET_WALLPAPER
  • android.permission.SET_WALLPAPER_HINTS
  • android.permission.SYSTEM_ALERT_WINDOW
  • android.permission.VIBRATE
  • android.permission.WAKE_LOCK
  • android.permission.WRITE_CONTACTS
  • android.permission.WRITE_EXTERNAL_STORAGE

Based on analysis of the codes, it has the following capabilities:

  • get all contacts
  • execute shell command
  • record the environment voice

It is capable of doing the following:

  • take photo

  SOLUTION

Minimum Scan Engine:

9.800

Trend Micro Mobile Security Solution

Trend Micro Mobile Security Personal Edition protects Android and iOS smartphones and tablets from malicious and Trojanized applications. It blocks access to malicious websites, increase device performance, and protects your mobile data. You may download the Trend Micro Mobile Security apps from the following sites:


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