Adware.Gexin.6984

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.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) api.yideamo####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
api.yideamo####.com
c####.g####.ig####.com
c-h####.g####.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
u####.u####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_ynp969
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/88cffb6b140d
/data/data/####/MultiDex.lock
/data/data/####/SAVE_GUES_INFO.xml
/data/data/####/a==7.5.0&&2.1.1_1545615856659_envelope.log
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODU1OTk0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODY2OTcx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODYxNTQ3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODc2OTc3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODcyMTE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODg0NDMw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODk3NjU4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1ODkxMjgx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1OTA0NjM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1OTE1NzYw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1NjE1OTEwMjc3;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&2.1.1_1545615856095_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615861628_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615867035_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615872170_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615877003_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615884460_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615891348_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615897753_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615904652_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615910358_envelope.log
/data/data/####/i==1.2.0&&2.1.1_1545615915861_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu132140808.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/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_ynp969
/data/data/####/tdata_ynp969.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/assetcheck-db
/data/media/####/assetcheck-db-journal
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.shinetechchina.physicalinventory.bin
/data/media/####/com.shinetechchina.physicalinventory.db
/data/media/####/crash-2018-12-24-01-44-16-1545615856401.log
/data/media/####/crash-2018-12-24-01-44-21-1545615861720.log
/data/media/####/crash-2018-12-24-01-44-27-1545615867073.log
/data/media/####/crash-2018-12-24-01-44-32-1545615872424.log
/data/media/####/crash-2018-12-24-01-44-37-1545615877135.log
/data/media/####/crash-2018-12-24-01-44-44-1545615884563.log
/data/media/####/crash-2018-12-24-01-44-51-1545615891418.log
/data/media/####/crash-2018-12-24-01-44-57-1545615897745.log
/data/media/####/crash-2018-12-24-01-45-04-1545615904810.log
/data/media/####/crash-2018-12-24-01-45-10-1545615910405.log
/data/media/####/crash-2018-12-24-01-45-16-1545615916023.log
/data/media/####/sysid.dat
/data/media/####/tdata_bca864
/data/media/####/tdata_ynp969
/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>.service.DemoPushService 26748 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
ls /sys/class/thermal
mount

Loads the following dynamic libraries:

getuiext3
libjiagu132140808

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial