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(TLS/1.0) x####.cn:443
- TCP(TLS/1.0) and####.google####.com:443
- TCP(TLS/1.0) p####.google####.com:443
- TCP(TLS/1.0) md####.google####.com:443
- TCP(TLS/1.0) instant####.google####.com:443
- TCP(TLS/1.0) android####.go####.com:443
- TCP(TLS/1.0) 1####.217.168.202:443
- TCP(TLS/1.2) 1####.217.168.202:443
- TCP(TLS/1.2) 1####.194.222.102:443
- TCP(TLS/1.2) 1####.194.73.94:443
DNS requests:
- and####.google####.com
- android####.go####.com
- instant####.google####.com
- l####.tbs.qq.com
- md####.google####.com
- p####.google####.com
- x####.cn
File system changes:
Creates the following files:
- /data/data/####/.cl
- /data/data/####/.jg.ic
- /data/data/####/.jg.store.report_cf
- /data/data/####/.jgck
- /data/data/####/WebViewChromiumPrefs.xml
- /data/data/####/a.cxc
- /data/data/####/a.exe
- /data/data/####/b
- /data/data/####/classes.dex
- /data/data/####/classes.dex;classes2.dex
- /data/data/####/classes.oat
- /data/data/####/com.youyi.musicPs_preferences.xml
- /data/data/####/core_info
- /data/data/####/debug.conf
- /data/data/####/download_upload
- /data/data/####/libjiagu.so
- /data/data/####/metrics_guid
- /data/data/####/proc_auxv
- /data/data/####/tbs_download_config.xml
- /data/data/####/tbs_download_config.xml.bak
- /data/data/####/tbs_download_stat.xml
- /data/data/####/tbs_pv_config
- /data/data/####/tbscoreinstall.txt
- /data/data/####/tbslock.txt
- /data/data/####/vpn.dex
- /data/data/####/vpn.dex.flock (deleted)
- /data/media/####/tbslog.txt
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
- /system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/files/_RunDex_/vpn.dex --oat-fd=86 --oat-location=/data/user/0/<Package>/files/_RunDex/vpn.dex --compiler-filter=speed
- getprop ro.product.cpu.abi
Uses the following algorithms to encrypt data:
- RSA-ECB-NoPadding
Uses the following algorithms to decrypt data:
- AES-CBC-PKCS5Padding
Uses special library to hide executable bytecode.
Gets information about network.
Gets information about phone status (number, IMEI, etc.).
Displays its own windows over windows of other apps.
Requests the system alert window permission.