Adware.Gexin.22172

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(TLS/1.0) mobads-####.b####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) 1####.217.168.202:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.2) 1####.217.168.202:443
TCP(TLS/1.2) and####.google####.com:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP cm-1####.g####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

124.99.76.####.arpa
and####.b####.qq.com
and####.cli####.go####.com
and####.google####.com
android####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
l####.tbs.qq.com
loc.map.b####.com
m####.go####.com
md####.google####.com
mo####.b####.com
mobads-####.b####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.gst####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EAx630
cdn-sdk####.g####.com.####.com/tdata_fPG280
cdn-sdk####.g####.com.####.com/tdata_kPg706
d####.c####.l####.####.com/config/hzv9.conf
mobads-####.b####.com:443/dz.zb?type=####&sn=####&pack=####&p_ver=####&o...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/__x_adsdk_agent_header__.xml
/data/data/####/__xadsdk__remote__final__builtin__.jar
/data/data/####/__xadsdk__remote__final__running__.dex
/data/data/####/__xadsdk__remote__final__running__.dex.flock (deleted)
/data/data/####/__xadsdk__remote__final__running__.jar
/data/data/####/bugly_db_-journal
/data/data/####/calendar.db
/data/data/####/calendar.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/com.baidu.mobads.loader.xml
/data/data/####/com.shwnl.calendar_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/daemon
/data/data/####/getui_sp.xml
/data/data/####/imei.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/native_record_lock
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_EAx630
/data/data/####/tdata_EAx630.dex
/data/data/####/tdata_EAx630.dex.flock (deleted)
/data/data/####/tdata_EAx630.jar
/data/data/####/tdata_fPG280
/data/data/####/tdata_fPG280.jar
/data/data/####/tdata_kPg706
/data/data/####/uninstall.watch
/data/data/####/watcher
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c type su
/system/lib/arm/houdini /data/user/0/<Package>/app_bin/daemon mars_d -p <Package> -s <Package>.service.DaemonService2 -p1r 36 -p1w 37 -p2r 38 -p2w 39
/system/lib/arm/houdini /data/user/0/<Package>/app_bin/watcher /data/user/0/<Package>/app_bin/watcher -p <Package> -b 0 -u http://180.76.99.124/api/device2?action=uninstall&device_id=dab274b7f7e4f9ed&platform=Android&sign=fcd7aa69c6561de9a907ba53ea82e20b57366ef5
chmod 0755 /data/user/0/<Package>/app_bin/watcher
chmod 700 /data/user/0/<Package>/app_bin/daemon
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
getprop
getprop ro.product.cpu.abi

Uses the following algorithms to encrypt data: