Adware.Gexin.9661

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) c-h####.g####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) h####.opensp####.cn:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) d####.opensp####.cn:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
c.appj####.com
d####.opensp####.cn
f####.x####.cn
h####.opensp####.cn
loc.map.b####.com
o####.map.b####.com
pub-####.qin####.com
qy-swa####.qi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

h####.opensp####.cn/launchconfig?t=####&p=bmUuY####
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_siA393

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
d####.opensp####.cn/index.php/clientrequest/clientcollect/isCollect
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
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/####/.jg.ic
/data/data/####/0c08d0fba37eceb7e494f4af70e3429f9443f2716050660....0.tmp
/data/data/####/0c08d0fba37eceb7e494f4af70e3429f9443f2716050660...d421.0
/data/data/####/1004
/data/data/####/262d623bc9a5d10615479f2e30766165c125c97e6b3f5ca....0.tmp
/data/data/####/291bec87c13c9bca35be12f89a568806eae451a71d4a993....0.tmp
/data/data/####/743e2cb2239a7d37246111bf485003828b31927f635a004....0.tmp
/data/data/####/XZLandlady.xml
/data/data/####/ad_show_time.xml
/data/data/####/authStatus_com.xizhi.mezone.b.xml
/data/data/####/authStatus_com.xizhi.mezone.b;core.xml
/data/data/####/authStatus_com.xizhi.mezone.b;pushservice.xml
/data/data/####/authStatus_com.xizhi.mezone.b;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.iflytek.id.xml
/data/data/####/com.iflytek.msc.xml
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/crashrecord.xml
/data/data/####/ddc62aca1556f51f61e7de53b6823e00eb6d53870e28fe5....0.tmp
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/ifly_launch_lib.xml
/data/data/####/iflytek_state_com.xizhi.mezone.b.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/okgo_cache.db
/data/data/####/okgo_cache.db-journal
/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/####/qiyu_save_ffe6600f40067cfc7e518d0cefe0b228.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.jar
/data/data/####/unicorn#cheese#
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xizhi.mezone.b.bin
/data/media/####/com.xizhi.mezone.b.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/iflyworkdir_test
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_siA393
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushGT.LinkTownPushService 24765 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushGT.LinkTownPushService 24765 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
Bugly
getuiext2
libjiagu
locSDK7a
msc

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding

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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