Technical information
Malicious functions:
Threat detection based on machine learning.
Contains typical locker code.
Network activity:
Connects to:
- UDP(DNS) 8####.8.4.4:53
- TCP(HTTP/1.1) x####.cn:80
- TCP(HTTP/1.1) www.i####.cn:80
- TCP(TLS/1.0) 2####.58.214.14:443
- TCP(TLS/1.0) android####.go####.com:443
- TCP(TLS/1.0) instant####.google####.com:443
- TCP(TLS/1.0) 1####.217.20.74:443
- TCP(TLS/1.0) p####.google####.com:443
- TCP(TLS/1.0) 1####.217.20.106:443
- TCP(TLS/1.0) md####.google####.com:443
- TCP(TLS/1.2) 1####.217.20.74:443
- TCP(TLS/1.2) 1####.250.179.163:443
- TCP(TLS/1.2) 2####.58.214.14:443
DNS requests:
- android####.go####.com
- instant####.google####.com
- m####.go####.com
- md####.google####.com
- p####.google####.com
- www.i####.cn
- x####.cn
HTTP GET requests:
- www.i####.cn/iyuji/s/TEFQT2NvOEFKV2ZDVEU0THFNV1ZaZz09/1618672738284977
HTTP POST requests:
- x####.cn/key/yh/login.php
File system changes:
Creates the following files:
- /data/data/####/classes.dex
- /data/data/####/classes.dex;classes2.dex
- /data/data/####/classes.oat
- /data/data/####/libjiagu.so
- /data/data/####/proc_auxv
- /data/misc/####/primary.prof
Miscellaneous:
Executes the following shell scripts:
- /system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
Uses the following algorithms to decrypt data:
- AES-CBC-PKCS5Padding
Uses special library to hide executable bytecode.
Gets information about phone status (number, IMEI, etc.).
Gets information about installed apps.
Displays its own windows over windows of other apps.
