Adware.Gexin.9016

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) st####.b####.cn:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) img.b####.cn:80
TCP(TLS/1.0) i####.b####.cn:443
TCP(TLS/1.0) so####.b####.cn:443
TCP(TLS/1.0) api.b####.cn:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a.appj####.com
api.b####.cn
c####.g####.ig####.com
c-h####.g####.com
i####.b####.cn
i####.b####.cn
i####.b####.cn
img.b####.cn
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
so####.b####.cn
st####.b####.cn

HTTP GET requests:

img.b####.cn/public/images/skin/gan-icon.png
img.b####.cn/public/images/skin/min-icon.png
img.b####.cn/public/images/skin/sesu-icon.png
img.b####.cn/public/images/skin/zhou-icon.png
qin####.com.www.####.com/tdata_EDT369
st####.b####.cn/Appversion/bevol-3.0.1-(mlxx).apk
t####.c####.q####.####.com/tdata_SzD730
t####.c####.q####.####.com/tdata_ZCi456
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a.appj####.com/ad-service/ad/mark
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/####/.log.lock
/data/data/####/.log.ls
/data/data/####/H5D43A324.xml
/data/data/####/H5D43A324_download_dcloud.xml
/data/data/####/H5D43A324_storages.xml
/data/data/####/c7e5cb4a36d4
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/clientid_igexin.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/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/####/f_000013
/data/data/####/f_000014
/data/data/####/f_000015
/data/data/####/f_000016
/data/data/####/f_000017
/data/data/####/f_000018
/data/data/####/f_000019
/data/data/####/f_00001a
/data/data/####/f_00001b
/data/data/####/f_00001c
/data/data/####/f_00001d
/data/data/####/f_00001e
/data/data/####/f_00001f
/data/data/####/gdaemon_20161017
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/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/####/run.pid
/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/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/app.db
/data/media/####/bevol-3.0.1-(mlxx).apk
/data/media/####/cn.bevol.p.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dt271550887434356.download
/data/media/####/file__0.localstorage-journal
/data/media/####/tdata_SzD730
/data/media/####/tdata_ZCi456
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 23949 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount

Loads the following dynamic libraries:

getuiext2
libjiagu

Uses the following algorithms to encrypt data:

RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about installed apps.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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