Adware.Gexin.9876

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) 1####.190.125.86:8106
TCP(HTTP/1.1) zpa####.julan####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) larg####.c####.l####.####.com:80
TCP(HTTP/1.1) www.anxinda####.com:80
TCP(HTTP/1.1) ping####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) dg####.julan####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(TLS/1.0) www.anxinda####.com:443
TCP(TLS/1.0) jj####.julan####.com:443
TCP(TLS/1.0) 1####.217.17.46:443
TCP(TLS/1.0) api.map.b####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
api.map.b####.com
app.julan####.com
c####.g####.ig####.com
c-h####.g####.com
cdn.julan####.com
dg####.julan####.com
jj####.julan####.com
l####.tbs.qq.com
loc.map.b####.com
o####.map.b####.com
pi####.qq.com
ping####.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.anxinda####.com
zpa####.julan####.com

HTTP GET requests:

dg####.julan####.com/jll_param/dgqparam?is_jjb=####&version=####&system_...
larg####.c####.l####.####.com/app-3.9.1-3910-58mjb_xsgbanner_xsgjz-relea...
ping####.qq.com/pingd?dm=####&pvi=####&si=####&url=####&arg=cha####&open...
ping####.qq.com/pingd?dm=####&pvi=####&si=####&url=####&arg=cha####&ty=#...
ping####.qq.com/pingd?dm=www.anxindagong.com&pvi=71981552077814918&si=s3...
ping####.qq.com/pingd?dm=www.anxindagong.com&pvi=71981552077814918&si=s6...
s####.tc.qq.com/h5/stats.js?v2####
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_siA393
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.anxinda####.com/general/index.html?channel=####
www.anxinda####.com/general/index.html?channel=####&openType=####
www.anxinda####.com/general/static/assets/base.css
www.anxinda####.com/general/static/assets/clipboard.min.js
www.anxinda####.com/general/static/assets/dsbridge.js
www.anxinda####.com/general/static/assets/flexible.min.js
www.anxinda####.com/general/static/assets/photo/style.min.css
www.anxinda####.com/general/static/assets/photo/swipe.min.js
www.anxinda####.com/general/static/css/app.5420c298aaf31c2a91218657b9d74...
www.anxinda####.com/general/static/img/xsg-download.13b175a.png
www.anxinda####.com/general/static/js/0.064cb671dc454a1cef5b.js
www.anxinda####.com/general/static/js/1.6d64aacd396fbb9f4771.js
www.anxinda####.com/general/static/js/2.b01fa3147a5fc5b84484.js
www.anxinda####.com/general/static/js/3.1c0b031dacd109f9cf7e.js
www.anxinda####.com/general/static/js/app.55aa5df145486e112cfd.js
www.anxinda####.com/general/static/js/manifest.9dfde76b140970c81544.js
www.anxinda####.com/general/static/js/vendor.84ad98360877ae03800f.js
zpa####.julan####.com/h5/app_split/banner?channel=####
zpa####.julan####.com/h5/company/information?id=####&channel=####
zpa####.julan####.com/h5/company/list?page=####&user_city=####&channel=#...
zpa####.julan####.com/h5/company/result?channel=####&page=####&require=#...

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
dg####.julan####.com/jll_users_device/add
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/authStatus_com.julanling.zhaogongzuowang;remote.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.julanling.zhaogongzuowang-journal
/data/data/####/com.julanling.zhaogongzuowang_preferences.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/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/####/dgq.db-journal
/data/data/####/dgq_sp.xml
/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/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-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/####/jjb.db
/data/data/####/jjb.db-journal
/data/data/####/julanling.db-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu1217345501.so
/data/data/####/mobclick_agent_user_com.julanling.zhaogongzuowang.xml
/data/data/####/multidex.version.xml
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/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/####/sensorsdata.xml
/data/data/####/share_prefers.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1552077807582.env
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/user_remind_info.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xsgjz.db
/data/data/####/xsgjz.db-journal
/data/data/####/zhgs.db
/data/data/####/zhgs.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/000.html
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.julanling.zhaogongzuowang.bin
/data/media/####/com.julanling.zhaogongzuowang.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/journal.tmp
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_siA393
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.julanling.getui.GetuiService 26015 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1217345501.so
getprop ro.product.cpu.abi
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.julanling.getui.GetuiService 26015 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu1217345501
locSDK7a

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Gets information about location.

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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