Adware.Gexin.3359

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) hi.hiwe####.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
c####.g####.ig####.com
c-h####.g####.com
h####.b####.com
hi.hiwe####.net
m.d####.mob.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

hi.hiwe####.net//uploadfile/avatar/14346.jpg
hi.hiwe####.net//uploadfile/avatar/14655.jpg
hi.hiwe####.net//uploadfile/avatar/289.jpg
hi.hiwe####.net/api.php?op=####&id=####&modelid=####
hi.hiwe####.net/index.php?m=####&c=####&a=####&catid=####&id=####&f_s=####
hi.hiwe####.net/index.php?m=####&c=####&a=####&size=####&type=####
hi.hiwe####.net/statics/js/jquery.min.js
hi.hiwe####.net/uploadfile/2018/0925/20180925082320538.png
hi.hiwe####.net/uploadfile/2018/0926/20180926065252744.jpg
hi.hiwe####.net/uploadfile/2018/0927/20180927041808898.jpg
hi.hiwe####.net/uploadfile/2018/0928/20180928121246866.jpg
hi.hiwe####.net/uploadfile/2018/0929/20180929033239160.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930014215987.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930061920769.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930064614255.png
hi.hiwe####.net/uploadfile/2018/0930/20180930065617265.png
hi.hiwe####.net/uploadfile/2018/0930/20180930081114882.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930083546995.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930084016815.jpg
hi.hiwe####.net/uploadfile/2018/0930/20180930111022732.png
hi.hiwe####.net/uploadfile/2018/0930/20180930113740712.jpg
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091

HTTP POST requests:

a####.exc.mob.com/errconf
c-h####.g####.com/api.php?format=####&t=####
hi.hiwe####.net/index.php?m=####&c=####&a=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/02105af88e6a2cca82155c8088b072f38da395d584ebcce...1636.0
/data/data/####/023b3d1ddea581f7abda87c0852d09f5b7c25194ea8326b....0.tmp
/data/data/####/0e48b2368758c740dd7a3face9e79d868b0fe2ca5dd6394....0.tmp
/data/data/####/14ad7d256890b82e5599a54e68061fdd26fd18e8ddf4a13....0.tmp
/data/data/####/1eff0912c7294f717d36dbf3f47659e0f485dce19955abd....0.tmp
/data/data/####/357a723d6bc6db73be46cb24a19e7edd9ed9fb9700aca56....0.tmp
/data/data/####/39b76768b06ee04b33a64bd72172f614583ac98af25d64e....0.tmp
/data/data/####/3b16eb71b334710b068a7df15c5452ccf80c504a0b4495e....0.tmp
/data/data/####/4417694642c25e57c75d05a34adbf74e61821e071a425a3....0.tmp
/data/data/####/522f54c73adb621ce16fb9f72249d94ac1c6ce8af52119d....0.tmp
/data/data/####/649d92d1cc23aae16364551bbfad69f3bdc3fb8926944d6....0.tmp
/data/data/####/6ccf6fab0f604cce0b0246e3af12c0cf0a0fa88376d4416....0.tmp
/data/data/####/8a3d21b36852ac3c0fd238d725d1452af18eb40ca7cb0d4....0.tmp
/data/data/####/8fb8c99f8740657e5c3c6976e364a251808080dde979db7....0.tmp
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1538378543301
/data/data/####/a04afa50447ad360c96e7421633122995cec01a6d2e547f....0.tmp
/data/data/####/a4cc5058235fba1763c69203ca5bae1c2c43baa1fdb4e97....0.tmp
/data/data/####/a8025189ff54c926d8e2e9826702cdc4898edf513bf5463....0.tmp
/data/data/####/ab088cc4f698b3de6f66b2a6225e0673336c99ab68f4a9c....0.tmp
/data/data/####/ab2fa0afbf841ba6f754adf531d1c723c4f0996fd8d2c05....0.tmp
/data/data/####/b78a703328bd7fb919eec9351667a68783ee8e4c4085de5....0.tmp
/data/data/####/b8dabf6baf43bfa7c802656c46754f2fc15a1aa17ab49d2....0.tmp
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/baidu_mtj_sdk_record.xml.bak
/data/data/####/c053b9f134a3e0bcb438d7595294da1fd0f7047d4e11e45....0.tmp
/data/data/####/c146df1d57b3ac14c57f593b8ecd32d6e91dcebb199c732....0.tmp
/data/data/####/c1cf136e2c366381b195b95b618aacbefce6ecf566a82a2....0.tmp
/data/data/####/c379d5048be43d4ad40ebdf0c04cb9e8e4cd106e8f69340....0.tmp
/data/data/####/c3a3ca869d66dbc153c741d7cf4bba374df5b434f2c1a2f....0.tmp
/data/data/####/cbb5390cc321964639d6324717a27bf7b2225f97eab7767....0.tmp
/data/data/####/d6b8897cb57619b62d87aa9cfb5f035b5251846b6f0e733....0.tmp
/data/data/####/d79e16fd9949e66a6e18d7685bd9f9503237e7836c4502e....0.tmp
/data/data/####/d8e2e702fa7018c14f886cd5ec70f6c1ba47bc48f35513a....0.tmp
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dc9e193058f981373aeb50b28289d3ac6fed63d5946fa08....0.tmp
/data/data/####/dd27522d03f8ed5f1de819f52a77fa90d370c405f121adc....0.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000003 (deleted)
/data/data/####/f_000004
/data/data/####/f_000004 (deleted)
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-1539022912.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/####/run.pid
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/wei_hai.db-journal
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/.timestamp
/data/media/####/app.db
/data/media/####/cn.e23.weihai.bin
/data/media/####/cn.e23.weihai.db
/data/media/####/cn_e23_wei_hai_logo.png
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.PushService 24134 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1539022912.so
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
sh

Loads the following dynamic libraries:

crash_analysis
getuiext2
libjiagu-1539022912
neh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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