Technical information
Malicious functions:
Executes code of the following detected threats:
- Android.Locker.438.origin
Modified file system:
Creates the following files:
- /system/app/key.bat
- /system/lib/libStarEngine.so
- <Package Folder>/app_a/k.bat
- <Package Folder>/app_a/key.bat
- <Package Folder>/app_a/libStarEngine.so
- <Package Folder>/databases/bugly_db_legu-journal
- <Package Folder>/files/local_crash_lock (deleted)
- <Package Folder>/files/native_record_lock (deleted)
- <Package Folder>/files/security_info
- <Package Folder>/mix.dex
- <Package Folder>/tx_shell/libnfix.so
- <Package Folder>/tx_shell/libshella-2.10.1.so
- <Package Folder>/tx_shell/libufix.so
Miscellaneous:
Executes next shell scripts:
- /system/bin/sh -c getprop ro.board.platform
- /system/bin/sh -c type su
- chmod 0644 /system/app/time.apk
- chmod 0644 /system/lib/libStarEngine.so
- chmod 0777 /system/app/key.bat
- chmod 700 <Package Folder>/tx_shell/libnfix.so
- chmod 700 <Package Folder>/tx_shell/libshella-2.10.1.so
- chmod 700 <Package Folder>/tx_shell/libufix.so
- cp <Package Folder>/app_a/key.bat /system/app/
- cp <Package Folder>/app_a/libStarEngine.so /system/lib/
- getprop ro.board.platform
- getprop ro.yunos.version
- logcat -d -v threadtime
- ls data
- mount -o rw,remount /system
- mv /system/app/key.bat /system/app/time.apk
- reboot
- sh
- su
Loads the following dynamic libraries:
- Bugly
- libnfix
- libshella-2.10.1
- libufix
- nfix
- ufix
Uses the following algorithms to encrypt data:
- AES-GCM-NoPadding
- RSA-ECB-PKCS1Padding
Uses the following algorithms to decrypt data:
- AES
- AES-GCM-NoPadding
Uses elevated priveleges.
Uses special library to hide executable bytecode.
Gains access to telephone information (number, imei, etc.).
