Adware.Gexin.20620

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) tinychi####.q####.com.####.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) rq####.sp####.mig.####.net:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5225

DNS requests:

a.appj####.com
and####.b####.qq.com
c-h####.g####.com
c.appj####.com
cdn-sdk####.g####.com
cm-1####.g####.com
l####.tbs.qq.com
loc.map.b####.com
mo####.b####.com
mobads-####.b####.com
sdk-ope####.g####.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
we####.d####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_WVc478
cdn-sdk####.g####.com.####.com/tdata_pKX830
sdk.o####.p####.####.com/api/addr.htm
tinychi####.q####.com.####.com/config/hzv9.conf

HTTP POST requests:

a.appj####.com/jiagu/check/upgrade
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/offline_loc
rq####.sp####.mig.####.net/rqd/async?aid=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/3ffff5e2
/data/data/####/__x_adsdk_agent_header__.xml
/data/data/####/__xadsdk__remote__final__builtin__.jar
/data/data/####/__xadsdk__remote__final__running__.jar
/data/data/####/ad_show_time.xml
/data/data/####/bugly_db_-journal
/data/data/####/calendar.db
/data/data/####/calendar.db-journal
/data/data/####/com.baidu.mobads.loader.xml
/data/data/####/com.shwnl.calendar_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/d06c309e
/data/data/####/daemon
/data/data/####/e7b72a13
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/imei.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/native_record_lock
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/push.pid
/data/data/####/pushext.db
/data/data/####/pushext.db-journal
/data/data/####/pushg.db
/data/data/####/pushg.db-journal
/data/data/####/pushk.db
/data/data/####/pushk.db-journal
/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_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_WVc478
/data/data/####/tdata_WVc478.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.jar
/data/media/####/.cuid
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.shwnl.calendar.bin
/data/media/####/com.shwnl.calendar.db
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tbslog.txt
/data/media/####/tdata_CoH340
/data/media/####/tdata_WVc478
/data/media/####/tdata_pKX830
/data/media/####/test.0
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/app_bin/watcher -p <Package> -b 0 -u http://webapi.duapp.com/api/device2?action=uninstall&device_id=852502442dc7fd59&platform=Android&sign=6e3d8b192785371c95cd8c77d05a92b82f437299
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.ShwnlPushService 24793 300 0
app_process /system/bin com.android.commands.am.Am startservice --user 0 -n <Package>/<Package>.service.DaemonService2
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/app_bin/daemon
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
getprop ro.product.cpu.abi
mars_d -p <Package> -s <Package>.service.DaemonService2 -p1r 43 -p1w 44 -p2r 45 -p2w 46
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.ShwnlPushService 24793 300 0