Adware.Gexin.6220

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) pub-####.qin####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) nav.cn.ron####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 23f208d####.bug####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224
TCP 1####.92.13.109:8617

DNS requests:

23f208d####.bug####.com
7j####.c####.z0.####.com
c####.g####.ig####.com
c-h####.g####.com
log.u####.com
nav.cn.ron####.com
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t.growi####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
nav.cn.ron####.com/navipush.json
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/2ee7b95234b8
/data/data/####/AppConfig.xml
/data/data/####/MultiDex.lock
/data/data/####/RongNavigation.xml
/data/data/####/RongPush.xml
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/Statistics.xml
/data/data/####/bc0b5a4332c8490afe31146648d7b66a.0
/data/data/####/bc0b5a4332c8490afe31146648d7b66a.0.tmp
/data/data/####/bc0b5a4332c8490afe31146648d7b66a.1
/data/data/####/bc0b5a4332c8490afe31146648d7b66a.1.tmp
/data/data/####/com.ichoice.wemay;ipc.growing.db
/data/data/####/com.ichoice.wemay;ipc.growing.db-journal
/data/data/####/com.ichoice.wemay;pushservice.growing.db
/data/data/####/com.ichoice.wemay;pushservice.growing.db-journal
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjE4MTgy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjU2MDYw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjU5MjQ4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjY2MTg5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjYxMjM4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjYzNDg0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMjk3MTAx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MzkwMzE4MDYz;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&v5.0.0_1544390256149_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/io.rong.push.growing.db
/data/data/####/io.rong.push.growing.db-journal
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu-205641926.so
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/share.db
/data/data/####/share.db-journal
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/wemay.xml
/data/media/####/RongLog_2_8_18.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.ichoice.wemay.bin
/data/media/####/com.ichoice.wemay.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.thirdparty.getui.GeTuiPushService 24682 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
logcat -v time -t 500 2273
logcat -v time -t 500 2333
logcat -v time -t 500 2407
logcat -v time -t 500 2555
logcat -v time -t 500 2617
logcat -v time -t 500 2703
logcat -v time -t 500 2810
logcat -v time -t 500 2934
logcat -v time -t 500 3057
logcat -v time -t 500 3135
logcat -v time -t 500 3223
logcat -v time -t 500 3282
logcat -v time -t 500 3369
logcat -v time -t 500 3531
logcat -v time -t 500 3719
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.thirdparty.getui.GeTuiPushService 24682 300 0

Loads the following dynamic libraries:

Bugtags
RongIMLib
getuiext2
libjiagu-205641926

Uses the following algorithms to encrypt data:

RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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