Adware.Gexin.935

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) pg.x####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) api.ichu####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) app.x####.com:443
TCP(TLS/1.0) x####.com:443
TCP(TLS/1.0) sta####.ichu####.com:443
TCP(TLS/1.0) 1####.217.17.110:443
TCP(TLS/1.0) s####.ml####.cc:443
TCP(TLS/1.0) jic.talking####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a####.exc.mob.com
and####.b####.qq.com
api.ichu####.com
api.s####.mob.com
app.x####.com
c####.g####.ig####.com
c-h####.g####.com
c.sz.gt.####.com
i####.cn
jic.talking####.com
m.d####.mob.com
pg.x####.com
s####.ml####.cc
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sta####.ichu####.com
x####.com

HTTP GET requests:

api.ichu####.com/rest?timestamp=####&app_ver=####&data_type=####&method=...
api.ichu####.com/rest?timestamp=####&app_ver=####&last_config_sign=####&...
api.ichu####.com/rest?timestamp=####&app_ver=####&method=####&os=####&ap...
api.ichu####.com/rest?timestamp=####&app_ver=####&timestamp_random=####&...
m.d####.mob.com/v2/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_YEE769
sni.c####.q####.####.net/tdata_qHR433

HTTP POST requests:

a####.exc.mob.com/errconf
and####.b####.qq.com/rqd/async?aid=####
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/log4
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
pg.x####.com/api/q/a/3c1e0985093cceca4f16f5f8da551f103
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/08aca472eb8dcf28eda50878efbe9488bc76328d334a3f8....0.tmp
/data/data/####/1004
/data/data/####/148745.942175931
/data/data/####/148745.942175931 (deleted)
/data/data/####/591d1f36994b2d0d6f7a65d10c69191e87ed0b731010631....0.tmp
/data/data/####/TDCloudSettingsConfigB30B918E668B1CC89A8FE129F34AB53D.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/TalkingData_Push_SharedPreferences.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/alldata.db
/data/data/####/alldata.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/com.ni.ichunqiu_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/download-journal
/data/data/####/fbad876c16c737a49e9df8927052b79a7537993398673d2....0.tmp
/data/data/####/gdaemon_20161017
/data/data/####/help_is_appload_dip.xml
/data/data/####/help_is_setting_grid_type.xml
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/io.github.laucherish.purezhihud_preferences.xml
/data/data/####/journal.tmp
/data/data/####/last_sign.xml
/data/data/####/libjiagu1676219524.so
/data/data/####/local_crash_lock
/data/data/####/main_page_date.xml
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/mpush_app.db-journal
/data/data/####/mpush_gateway_preferences_file
/data/data/####/mpush_version_preferences_file
/data/data/####/multidex.version.xml
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/native_record_lock
/data/data/####/okhttputils_cache.db
/data/data/####/okhttputils_cache.db-journal
/data/data/####/persistent_data.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share_sdk_1.xml
/data/data/####/sharesdk.db-journal
/data/data/####/td.lock
/data/data/####/tdata_YEE769
/data/data/####/tdata_YEE769.jar
/data/data/####/tdata_qHR433
/data/data/####/tdata_qHR433.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/user_update_config_config.xml
/data/data/####/version_per.xml
/data/data/####/xUtils_http_cookie.db
/data/data/####/xUtils_http_cookie.db-journal
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nomedia
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/.tcookieid
/data/media/####/1198803878.tmp
/data/media/####/1513483067.tmp
/data/media/####/1533269099355.jpg.tmp
/data/media/####/1693187519.tmp
/data/media/####/268294621.tmp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.ni.ichunqiu.db
/data/media/####/tdata_YEE769
/data/media/####/tdata_qHR433
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24496 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1676219524.so
getprop
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24496 300 0
which su

Loads the following dynamic libraries: