Adware.Gexin.5325

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) lbs.net####.im:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) www.1####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224
TCP l####.net####.im:8080

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
img.huashi####.net
l####.net####.im
lbs.net####.im
nim.qi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.1####.com

HTTP GET requests:

lbs.net####.im/lbs/conf.jsp?tp=####&sv=####&pv=####&id=####&k=####
t####.c####.q####.####.com/2018/04/28/1524897359115a8e6x.jpeg
t####.c####.q####.####.com/2018/09/06/1536232846600rYE6T.jpg
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/file/2018/04/15/1523735939699Xahyd.jpg
t####.c####.q####.####.com/file/2018/10/12/1539343354816ECxPt.png
t####.c####.q####.####.com/file/2018/11/07/1541599225658O3ak6.png
t####.c####.q####.####.com/file/2018/11/07/1541599304323lkalt.png
t####.c####.q####.####.com/file/2018/11/07/15415993945718lx3c.png
t####.c####.q####.####.com/file/2018/11/16/1542355963291gVYFg.png
t####.c####.q####.####.com/file/2018/11/19/15426140235911nWUN.png
t####.c####.q####.####.com/file/2018/11/23/1542966134384h2LRn.png
t####.c####.q####.####.com/file/2018/11/23/1542967374995m8ddJ.jpg
t####.c####.q####.####.com/tdata_SzD730
t####.c####.q####.####.com/tdata_ZCi456

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async?aid=####
and####.b####.qq.com/rqd/async?aid=####
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/####/.jg.ic
/data/data/####/1004
/data/data/####/2ed832baa6479c18f2e36ace0f1885e0c5efca8fe858e5a....0.tmp
/data/data/####/316544d3f9be6e1cf7048cea5b50a4734508a5f2946e094....0.tmp
/data/data/####/78e92d0db474826d3ec442ca220f95186a0514efea9b044....0.tmp
/data/data/####/8e9e5c0b134ab110aa52210e06002ed19d231a980cadadc....0.tmp
/data/data/####/M3U8PreferenceHelper.xml
/data/data/####/MultiDex.lock
/data/data/####/NIMSDK_Config_28c5aa5142add1ffa2bc86b07bd989a8.xml
/data/data/####/NIMSDK_Config_28c5aa5142add1ffa2bc86b07bd989a8_...7d.xml
/data/data/####/Unicorn.28c5aa5142add1ffa2bc86b07bd989a8.xml
/data/data/####/a679fb5bff7ef41b4aa4a9ca9bd35807cad46d35fa99fd7....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/e57c6342efb0c1fec7edfb7019ec1701f05476dba0e0d6d....0.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/gdaemon_20161017
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-492249019.so
/data/data/####/local_crash_lock
/data/data/####/mobclick_agent_cached_com.sirdc.szheng401
/data/data/####/msg.db-journal
/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/####/qiyu_save_28c5aa5142add1ffa2bc86b07bd989a8.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share_data.xml
/data/data/####/tdata_SzD730
/data/data/####/tdata_SzD730.jar
/data/data/####/tdata_ZCi456
/data/data/####/tdata_ZCi456.jar
/data/data/####/umeng_general_config.xml
/data/data/####/unicorn#cheese#
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/4d19aeea7d8c425bdfec04ab9b5f9417.0.tmp
/data/media/####/4d19aeea7d8c425bdfec04ab9b5f9417.1.tmp
/data/media/####/56d77095f87b993c030e806cc3bcef9e.0.tmp
/data/media/####/56d77095f87b993c030e806cc3bcef9e.1.tmp
/data/media/####/769f6e2c36d161659bd8bb608dde3064.0.tmp
/data/media/####/769f6e2c36d161659bd8bb608dde3064.1.tmp
/data/media/####/78fefb23776f3ce96dd755742a8030a3.0.tmp
/data/media/####/78fefb23776f3ce96dd755742a8030a3.1.tmp
/data/media/####/app.db
/data/media/####/caab6843e6db772b4bf475f5b261f647.0.tmp
/data/media/####/caab6843e6db772b4bf475f5b261f647.1.tmp
/data/media/####/cf437fa83f194e4fe6dd9e663748d78a.0.tmp
/data/media/####/cf437fa83f194e4fe6dd9e663748d78a.1.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.sirdc.szheng.db
/data/media/####/d1b4652f2192aba9f5d17d0f06739675.0.tmp
/data/media/####/d1b4652f2192aba9f5d17d0f06739675.1.tmp
/data/media/####/journal.tmp
/data/media/####/nim_sdk.log
/data/media/####/slun.db-journal
/data/media/####/tdata_SzD730
/data/media/####/tdata_ZCi456
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24599 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu-492249019

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about APN settings.

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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