Adware.Gexin.11572

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.3.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ser####.dc####.net.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) www.yq####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) ser####.dc####.net.cn:443
TCP(TLS/1.0) www.yq####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

c####.g####.ig####.com
c-h####.g####.com
f####.yq####.com
pub-####.qin####.com
r####.wx.qq.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.dc####.net.cn
st####.dc####.net.cn
sv.yq####.com
www.yq####.com

HTTP GET requests:

d####.c####.l####.####.com/images/2/2019/01/A44M26ZSX0xsS2i43S3XBsSxh9kS...
d####.c####.l####.####.com/images/2/2019/01/CaMNJ5MpMzGMaAJ1Pa33A6333tpJ...
d####.c####.l####.####.com/images/2/2019/01/Cu4t42O0UyoRzXm9oE08m2Tc90zU...
d####.c####.l####.####.com/images/2/2019/01/F4d14gaZAuI49B2AJD27421lzIA9...
d####.c####.l####.####.com/images/2/2019/01/P3xx04bdjj3m1m5OJdRdXoXo4319...
d####.c####.l####.####.com/images/2/2019/01/baw7Z7i5eu3mQIiiHD7dKK03MqQk...
d####.c####.l####.####.com/images/2/2019/01/e45VT15atVT018A4XZ1sAS5xhx8X...
d####.c####.l####.####.com/images/2/2019/01/eEz8p46Jthez3F6q8rmqg6mCn3wn...
d####.c####.l####.####.com/images/2/2019/01/j7sseAlrA4ST7xZ5AVWTdLP41diR...
d####.c####.l####.####.com/images/2/2019/01/jwe9wC5eRd75R0D6Hmc5eH16WWwR...
d####.c####.l####.####.com/images/2/2019/01/qe75Hnk7f7eek57V7NS6Y76KS7h5...
d####.c####.l####.####.com/images/2/2019/01/tCRofDfUDudOOPdzqUqX9BMDUjpD...
d####.c####.l####.####.com/images/2/2019/01/ut5h9F9T4Vd5TAGdcfHCtfPyGppa...
d####.c####.l####.####.com/images/2/2019/01/w2Xxfl2Pyl3BoxVozPzoYp7PmFzz...
d####.c####.l####.####.com/images/2/2019/01/x3u5Dyz10Kw1mvvY1DK1dvWgdG01...
d####.c####.l####.####.com/images/2/2019/02/wbS33PRHmPhDdNjD1Imrd6M3mr41...
d####.c####.l####.####.com/images/2/2019/02/wiKIyp2339qE3IP69gYyzCO33GZo...
d####.c####.l####.####.com/statics/images/wx1.png
qin####.com.www.####.com/tdata_EDT356
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.yq####.com/ups.php?appid=####&version=####&plus=####

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
ser####.dc####.net.cn/device/location

File system changes:

Creates the following files:

/data/data/####/.imei.txt
/data/data/####/.jg.ic
/data/data/####/ApplicationCache.db-journal
/data/data/####/MultiDex.lock
/data/data/####/__W2A__www.yqw258.com.xml
/data/data/####/__W2A__www.yqw258.com_storages.xml
/data/data/####/__shortcut.js
/data/data/####/__template.json
/data/data/####/__wap2app.js
/data/data/####/__wap2app.ttf
/data/data/####/__wap2appbrowser.html
/data/data/####/__wap2appconfig.js
/data/data/####/__wap2appcontext.html
/data/data/####/__wap2apperror.html
/data/data/####/__wap2appplayer.js
/data/data/####/__wap2appquit.js
/data/data/####/__wap2appswiper.html
/data/data/####/__wap2apptabbar.css
/data/data/####/__wap2apptabbar.js
/data/data/####/_adio.dcloud.feature.ad.a.a.xml
/data/data/####/b6058686d7a8
/data/data/####/baoshi-1.png
/data/data/####/baoshi.png
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/client_index.html
/data/data/####/clientid_igexin.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_2 (deleted)
/data/data/####/data_3
/data/data/####/data_3 (deleted)
/data/data/####/dc_ad_type_key.xml
/data/data/####/eje3cnc
/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/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/f_000011
/data/data/####/f_000012
/data/data/####/file__0.localstorage-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/home-1.png
/data/data/####/home.png
/data/data/####/html5Geo.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-1251198816.so
/data/data/####/manifest.json
/data/data/####/mui.min.js
/data/data/####/multidex.version.xml
/data/data/####/my-1.png
/data/data/####/my.png
/data/data/####/pdr.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qiandao-1.png
/data/data/####/qiandao.png
/data/data/####/run.pid
/data/data/####/share-1.png
/data/data/####/share.png
/data/data/####/sitemap.json
/data/data/####/start_statistics_data.xml
/data/data/####/stream_permission.xml
/data/data/####/test_app
/data/data/####/umeng_general_config.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.imei.txt
/data/media/####/5EBA1FB55549506417B12368BC2A5DD4.css
/data/media/####/AE8F98BCC5E676E1126F542449738260.css
/data/media/####/AdEnable.dat
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.yqw258.khj.bin
/data/media/####/com.yqw258.khj.db
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 24240 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 24240 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-1251198816
so

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding

Uses special library to hide executable bytecode.

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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