Adware.Gexin.8185

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) 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) c####.x####.com:443
TCP(TLS/1.0) adt.x####.com:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
UDP 1####.168.103.1:137
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
adt.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
plb####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
y####.al####.org

HTTP GET requests:

t####.c####.q####.####.com/tdata_bca864
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/####/0a231bd8575dcf72.txt
/data/data/####/1548860787121_2280
/data/data/####/1548860787156_2280
/data/data/####/1548860787199_2280
/data/data/####/1548860787854_2280
/data/data/####/1548860788602_2280
/data/data/####/895181ba724fcaceabeddef1a8a9c12d6880c842f48c849....0.tmp
/data/data/####/8af46b0f0c16e4c221daafb89257b8e1ce7413204a3947e....0.tmp
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/MultiDex.lock
/data/data/####/Q0VSVC5SU0EK.txt8e8
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/SG_INNER_DATA
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol2.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime1.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime1.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WindVane_wv_main_configcommonwv-data
/data/data/####/WindVane_wv_main_configdomainwv-data
/data/data/####/a9795f21fddc2690cb1b93b1ba48bcb486309bccc438b41....0.tmp
/data/data/####/a==7.5.4&&2.0.0_1548860786875_envelope.log
/data/data/####/b188ff022ecf482eed2d2e6a87bfcca1f733df69ca1e476....0.tmp
/data/data/####/com.rm.diamond_SharedPreferencesHelper.xml
/data/data/####/com.rm.diamond_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ4ODYwNzg2MTQw;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/i==1.2.0&&2.0.0_1548860786162_envelope.log
/data/data/####/imei.xml
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/iv
/data/data/####/journal.tmp
/data/data/####/libjiagu-1508777772.so
/data/data/####/libsgmainso-5.4.94.so.tmp.2280
/data/data/####/libsgmainso-5.4.94.so.tmp.2326
/data/data/####/libsgsecuritybodyso-5.4.66.so.tmp.2280
/data/data/####/libsgsecuritybodyso-5.4.66.so.tmp.2326
/data/data/####/lock.lock
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/salt
/data/data/####/sgFile.lock
/data/data/####/sp.lock
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdid.xml
/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/data/####/webview.db-journal
/data/data/####/wv_web_info.dat
/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/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.rm.diamond.db
/data/media/####/hid.dat
/data/media/####/tdata_bca864
/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>/com.igexin.sdk.PushService 24366 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.build.version.release
ls /
ls /sys/class/thermal

Loads the following dynamic libraries:

getuiext3
libjiagu-1508777772
sgmainso-5.4
sgsecuritybodyso-5.4

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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.

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