Adware.Gexin.2354

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.amp.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) www.king####.com.cn:80
TCP(HTTP/1.1) mp.we####.qq.com:80
TCP(TLS/1.0) 2####.58.212.174:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) mp.we####.qq.com:443
TCP(TLS/1.0) wild####.q####.cn.####.net:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.u####.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
loc.map.b####.com
m####.q####.cn
mp.we####.qq.com
mt####.go####.com
r####.wx.qq.com
sdk.c####.ig####.com
sdk.o####.amp.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.king####.com.cn

HTTP GET requests:

mp.we####.qq.com/s?__biz=M####&mid=####&idx=####&sn=####&chksm=####&scen...
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_YJA893
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.king####.com.cn/image/web/news/20180811164.png
www.king####.com.cn/image/web/news/20180825662.png
www.king####.com.cn/image/web/news/20180848345.png
www.king####.com.cn/image/web/news/20180903346.png
www.king####.com.cn/image/web/news/20180921064.png
www.king####.com.cn/image/web/news/20180931749.png
www.king####.com.cn/image/web/news/20180938812.png

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.amp.####.com/api.htm?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
www.king####.com.cn/GreenLive-APP/main/getMainData.do
www.king####.com.cn/GreenLive-APP/main/lastVersion.do
www.king####.com.cn/GreenLive-APP/store/main.do
www.king####.com.cn/GreenLive-APP/sys/param/bindAlias.do

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/CustomIndex
/data/data/####/DVDirectory.cfg
/data/data/####/DVHotMap.cfg
/data/data/####/DVHotcity.cfg
/data/data/####/DVIndoor.cfg
/data/data/####/DVSDirectory.cfg
/data/data/####/DVVersion.cfg
/data/data/####/ResPackIndoorMap.rs
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/authStatus_com.chengxuan.greenlife.xml
/data/data/####/authStatus_com.chengxuan.greenlife;pushservice.xml
/data/data/####/authStatus_com.chengxuan.greenlife;remote.xml
/data/data/####/baseindoormap.sty
/data/data/####/bus.sty
/data/data/####/car.sty
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cycle.sty
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/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/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/greenlife.db-journal
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/isfirst.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu-1697630919.so
/data/data/####/map.rs
/data/data/####/map.sty
/data/data/####/map_pref.xml
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/reduct.rs
/data/data/####/reduct.sty
/data/data/####/run.pid
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_YJA893
/data/data/####/tdata_YJA893.jar
/data/data/####/traffic.rs
/data/data/####/traffic.sty
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ver.dat
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/-2002987000.0.tmp
/data/media/####/-338152949.0.tmp
/data/media/####/-505538298.0.tmp
/data/media/####/.artc_lock
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/612156489.0.tmp
/data/media/####/DTTempdat.dat
/data/media/####/DTTempdat.idx
/data/media/####/app.db
/data/media/####/com.chengxuan.greenlife.bin
/data/media/####/com.chengxuan.greenlife.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_BAI450
/data/media/####/tdata_YJA893
/data/media/####/test.0
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 25317 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1697630919.so

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_5_2
BaiduMapSDK_map_v4_5_2
getuiext2
libjiagu-1697630919
locSDK7b

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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