Adware.Gexin.1186

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) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) and####.b####.qq.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) av1.x####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) api.w####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.w####.com
av1.x####.com
b####.186####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
i####.cn
sdk.c####.ig####.com
sdk.o####.i####.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_wmn679

HTTP POST requests:

aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/TDCloudSettingsConfigC288B73E135847B4B861A4422332939E.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime.xml.bak (deleted)
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/com.wificom.travelife_preferences.xml
/data/data/####/demo.xml
/data/data/####/demo.xml.bak (deleted)
/data/data/####/gdaemon_20161017
/data/data/####/increment.db-journal
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/libnfix.so
/data/data/####/libshella-2.10.7.1.so
/data/data/####/libufix.so
/data/data/####/life_number.db
/data/data/####/life_number.db-journal
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp_name_public.xml
/data/data/####/td.lock
/data/data/####/tdata_wmn679
/data/data/####/tdata_wmn679.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/tmpd8.db-journal
/data/data/####/weibo_sdk_aid1
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.wificom.travelife.db
/data/media/####/log_2018-08-13.txt
/data/media/####/tdata_wmn679

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25123 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.10.7.1.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.build.display.id
getprop ro.vivo.os.version
getprop ro.yunos.version
logcat -d -v threadtime
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25123 300 0