Adware.Gexin.11921

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) ser####.dc####.net.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) 4####.90.53.53:81
TCP(HTTP/1.1) tra####.com:80
TCP(HTTP/1.1) q.for####.cn:9168
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) ser####.dc####.net.cn:443
TCP(TLS/1.0) s3-ap-n####.amazo####.com:443
TCP(TLS/1.0) n####.tra####.com:20105
TCP(TLS/1.0) cogniti####.regi####.azure####.net:443
TCP(TLS/1.0) bs.tra####.com:443
TCP(TLS/1.0) app.tra####.cn:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

api.cogni####.micro####.com
app.tra####.cn
bs.tra####.com
c####.g####.ig####.com
c-h####.g####.com
n####.tra####.com
pub-####.qin####.com
q.for####.cn
s3-ap-n####.amazo####.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
tra####.com
www.dc####.io

HTTP GET requests:

q.for####.cn:9168/socket.io/?EIO=####&transport=####&t=####
q.for####.cn:9168/socket.io/?EIO=####&transport=####&t=####&sid=####
qin####.com.www.####.com/tdata_EDT356
ser####.dc####.net.cn/urd.json?v=####
ti####.c####.l####.####.com/config/hz-hzv3.conf
tra####.com/Demomem/gaingoodspric

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
q.for####.cn:9168/socket.io/?EIO=####&transport=####&t=####&sid=####
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/####/H5ECAC058.xml
/data/data/####/_adio.dcloud.feature.ad.a.a.xml
/data/data/####/clientid_igexin.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/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/####/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/####/f_000020
/data/data/####/f_000021
/data/data/####/f_000022
/data/data/####/f_000023
/data/data/####/f_000024
/data/data/####/f_000025
/data/data/####/f_000026
/data/data/####/f_000027
/data/data/####/f_000028
/data/data/####/f_000029
/data/data/####/f_00002a
/data/data/####/f_00002b
/data/data/####/f_00002c
/data/data/####/f_00002d
/data/data/####/f_00002e
/data/data/####/f_00002f
/data/data/####/file__0.localstorage-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/html5Geo.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu1233415369.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/####/start_statistics_data.xml
/data/data/####/stream_permission.xml
/data/data/####/test_app
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.imei.txt
/data/media/####/AdEnable.dat
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.tradeqq.bin
/data/media/####/com.tradeqq.db
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 24119 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 24119 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu1233415369

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial