Adware.Gexin.10796

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####.g####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) js####.com:9000
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) 1####.24.149.189:80
TCP(HTTP/1.1) gs.g####.com:80
TCP(HTTP/1.1) b####.g####.com:80
TCP(HTTP/1.1) www.xianbao####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(TLS/1.0) jins####.net:443
TCP(TLS/1.0) g####.golden####.io:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
ap####.g####.com
b####.g####.com
b####.g####.com
c####.g####.com
c####.g####.com
c####.g####.com
c####.g####.ig####.com
c-h####.g####.com
cdn.jins####.net
gs.g####.com
jins####.net
js####.com
l####.tbs.qq.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.xianbao####.com

HTTP GET requests:

js####.com:9000/logo22/image026.jpg
js####.com:9000/logo22/image027.jpg
js####.com:9000/logo22/image028.jpg
js####.com:9000/logo22/image029.jpg
js####.com:9000/logo22/image030.jpg
js####.com:9000/logo22/image031.jpg
js####.com:9000/logo22/image032.jpg
js####.com:9000/logo22/image033.jpg
js####.com:9000/logo22/img8.png
js####.com:9000/logo22/img9.png
js####.com:9000/logo22/sj01.jpg
js####.com:9000/logo22/sj02.png
js####.com:9000/logo22/sj03.png
js####.com:9000/logo22/sj_03.png
js####.com:9000/logo22/sj_04.png
js####.com:9000/logo22/sj_06.png
js####.com:9000/logo22/wy03.png
js####.com:9000/logo22/wy05.png
js####.com:9000/logo22/wy07.png
js####.com:9000/logo22/wy_01.png
js####.com:9000/logo22/wy_02.png
js####.com:9000/logo22/wy_03.png
js####.com:9000/logo22/wy_04.png
js####.com:9000/wx.html
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_FhD658
t####.c####.q####.####.com/tdata_NtE098
t####.c####.q####.####.com/tdata_mpY630
t####.c####.q####.####.com/tdata_ngv385
t####.c####.q####.####.com/tdata_vHH584
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.xianbao####.com/forum.php?mod=####&fid=####

HTTP POST requests:

ap####.g####.com/uploadIdBinding
b####.g####.com/api.php?format=####&t=####
b####.g####.com/api.php?format=####&t=####&d=####&k=####
c####.g####.com/api.php?format=####&t=####
gs.g####.com/encryption/key/fetch
gs.g####.com/geshu/sdkStatistics/bd
gs.g####.com/geshu/sdkStatistics/ubi
l####.tbs.qq.com/ajax?c=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/0c30dff39ef2
/data/data/####/core_info
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/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/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gin.db-journal
/data/data/####/gkt-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/ias.db-journal
/data/data/####/ias_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-2116484178.so
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_FhD658
/data/data/####/tdata_FhD658.jar
/data/data/####/tdata_NtE098.jar
/data/data/####/tdata_NtE098590024198.tmp
/data/data/####/tdata_mpY630
/data/data/####/tdata_mpY630.jar
/data/data/####/tdata_ngv385
/data/data/####/tdata_ngv385.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/app.db
/data/media/####/com.example.china.jiema.bin
/data/media/####/com.example.china.jiema.db
/data/media/####/com.example.china.jiema_.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_FhD658
/data/media/####/tdata_NtE098
/data/media/####/tdata_mpY630
/data/media/####/tdata_ngv385
/data/media/####/tdata_vHH584
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.PushService 25238 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-2116484178.so
getprop ro.product.cpu.abi
mount

Loads the following dynamic libraries:

getuiext2
libjiagu-2116484178

Uses the following algorithms to encrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-ECB-NoPadding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding

Uses special library to hide executable bytecode.

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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