Adware.Gexin.13026

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) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) a####.eas####.com:80
TCP(HTTP/1.1) c-h####.g####.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) 1####.217.17.46:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.eas####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
log.u####.com
plb####.u####.com
pub-####.qin####.com
rs.eas####.com
s####.u####.com
sdk-ope####.g####.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:

qin####.com.www.####.com/tdata_EDT369
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ilz707
t####.c####.q####.####.com/tdata_siA393

HTTP POST requests:

a####.eas####.com/1138170223178014/life/devices
and####.b####.qq.com/rqd/async?aid=####
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/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/03f2bb6349b4
/data/data/####/1004
/data/data/####/1556643080291.log
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/applicationId
/data/data/####/bugly_db_-journal
/data/data/####/com.easylife.house.broker_preferences.xml
/data/data/####/config.json
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDc1ODkz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDc5NzUw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDg1OTk1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDg5MjM1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDk2OTMy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDk5NjE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMDkzNTc5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTA2ODM0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTAyNDU1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTE3MTQw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTEwNzc5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTEzODQw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTI2MDY3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTI4ODQz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTIyNjgy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTM0NDkx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTMxNzM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU2NjQzMTQwMjA3;
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.4.6_1556643075984_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-71063914.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/server.json
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ilz707
/data/data/####/tdata_ilz707.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.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/data/####/umeng_socialize.xml
/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.easylife.house.broker.bin
/data/media/####/com.easylife.house.broker.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/easemob.log
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ilz707
/data/media/####/tdata_siA393
/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
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.heiyue.project.service.GeTuiPushService 25500 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
ls /
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.heiyue.project.service.GeTuiPushService 25500 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
hyphenate
hyphenate_av
hyphenate_av_recorder
libjiagu-71063914

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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