Adware.Gexin.1921

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) c-h####.g####.com:80
TCP(HTTP/1.1) 47.1####.29.156:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) www.kangaij####.com:80
TCP(HTTP/1.1) nav.cn.ron####.####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) s####.cn.ron####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224
TCP 1####.131.1.72:8601

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
api.s####.mob.com
c####.g####.ig####.com
c-h####.g####.com
nav.cn.ron####.com
pub-####.qin####.com
s####.cn.ron####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.kangaij####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
www.kangaij####.com/uploadfiles/2018/03/201803211045007315.jpg
www.kangaij####.com/uploadfiles/2018/03/201803211046047329.jpg
www.kangaij####.com/uploadfiles/2018/04/201804101454136688.jpg

HTTP POST requests:

47.1####.29.156/index.php/Webservice/Index/init
a####.exc.mob.com/errconf
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
nav.cn.ron####.####.com/navipush.json
sdk.o####.p####.####.com/api.php?format=####&t=####
www.kangaij####.com/index.php/Webservice/v102/bulletin_list
www.kangaij####.com/index.php/Webservice/v102/course_list
www.kangaij####.com/index.php/Webservice/v102/firstpagetype_get
www.kangaij####.com/index.php/Webservice/v102/giftcourse_get
www.kangaij####.com/index.php/Webservice/v102/type_list

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/1a68b4543339b134fcdbc8dc08164ad0.0.tmp
/data/data/####/1a68b4543339b134fcdbc8dc08164ad0.1.tmp
/data/data/####/57095a0aabb6
/data/data/####/952416ee4beed64081f6ad7f3f2cb6b0.0.tmp
/data/data/####/952416ee4beed64081f6ad7f3f2cb6b0.1.tmp
/data/data/####/COUNTLY_STORE.xml
/data/data/####/RongPush.xml
/data/data/####/Statistics.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/ab2a9f97477bf932b6d89103867dd0c9.0.tmp
/data/data/####/ab2a9f97477bf932b6d89103867dd0c9.1.tmp
/data/data/####/com.hemaapp.hm_kajs_preferences.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-934128110.so
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/multidex.version.xml
/data/data/####/myfx.db
/data/data/####/myfx.db-journal
/data/data/####/push.pid
/data/data/####/push_daemon
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/share_sdk_1.xml
/data/data/####/sp.xml
/data/data/####/sp.xml (deleted)
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/media/####/RongLog_2_8_20.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.hemaapp.hm_kajs.bin
/data/media/####/com.hemaapp.hm_kajs.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/chmod 777 <Package Folder>/app_lib/x86/push_daemon
<Package Folder>/app_lib/x86/push_daemon <Package> io.rong.push.PushService /storage/emulated/0/.rongLock
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.DemoPushService 24876 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-934128110.so
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.DemoPushService 24876 300 0

Loads the following dynamic libraries: