Adware.Gexin.11497

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) c####.g####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) vod.c####.cn:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
ap####.g####.com
b####.g####.com
c####.g####.com
c####.g####.ig####.com
c-h####.g####.com
dc1.network####.com
plb####.u####.com
pub-####.qin####.com
redi####.network####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
vod.c####.cn

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Gfv491
t####.c####.q####.####.com/tdata_MOL564
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iRz660
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.exc.mob.com/errconf
ap####.g####.com/bd
c####.g####.com/api.php?format=####&t=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/COM_CCTV_ANALYSIS_SDK_SPUTILS.xml
/data/data/####/COM_CCTV_CCTV5ULTIMATE_UTILS_SHAREDPREFERENCES.xml
/data/data/####/MultiDex.lock
/data/data/####/NBSCrashStore.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/cntvsports_db-journal
/data/data/####/com.cctv.cctv5ultimate_preferences.xml
/data/data/####/com.networkbench.agent.impl.v2_com.cctv.cctv5ultimate.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NDgyNjg3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NDk2Mzk5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NDk4Nzg3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NDkzMDYy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTA0MjM1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTA1OTEz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTA3NDM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTAxOTM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTExNTk4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTIxNzA4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTM1OTE4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTM5NjM4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTMwMDg4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTQ4NTQz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTQxMjE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjI1NTQyODY4;
/data/data/####/db8b48030f0a
/data/data/####/domain_1
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gis.db-journal
/data/data/####/gkt-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&2.8.7_1554225482694_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-220364611.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/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_Gfv491
/data/data/####/tdata_Gfv491.jar
/data/data/####/tdata_MOL564
/data/data/####/tdata_MOL564.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iRz660
/data/data/####/tdata_iRz660.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_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.artc_lock
/data/media/####/.cca.dat
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.umm.dat
/data/media/####/.wkl
/data/media/####/app.db
/data/media/####/com.cctv.cctv5ultimate.bin
/data/media/####/com.cctv.cctv5ultimate.db
/data/media/####/com.cctv.cctv5ultimate_.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tdata_Gfv491
/data/media/####/tdata_MOL564
/data/media/####/tdata_MkX219
/data/media/####/tdata_iRz660
/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>.push.MyPushService 25197 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.MyPushService 25197 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-220364611

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

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