Adware.Gexin.3595

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) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.talking####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) h5####.talking####.net:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) nbkingl####.cn-hang####.log.####.com:80
TCP(HTTP/1.1) fa####.nuan####.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) ti####.c####.l####.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) api.kyxd####.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.kyxd####.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
fa####.nuan####.net
h5####.talking####.net
i####.nbking####.com
i.t####.com
l####.tbs.qq.com
nbkingl####.cn-hang####.log.####.com
nbkingl####.cn-hang####.log.####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sdk.talking####.com

HTTP GET requests:

fa####.nuan####.net/agreeDetail/?alias=####
fa####.nuan####.net/static/css/main.f30dce65.css
fa####.nuan####.net/static/js/AgreementDetail.cdddfaee.chunk.js
fa####.nuan####.net/static/js/main.a7b067b4.js
fa####.nuan####.net/util/js/CryptoJS.min.js
fa####.nuan####.net/util/js/DES.min.js
fa####.nuan####.net/util/js/qiniu.min.js
fa####.nuan####.net/util/js/twBase.min.js?t=####
fa####.nuan####.net/util/js/zepto.md5.min.js
fa####.nuan####.net/util/js/zepto.min.js
sdk.talking####.com/app/h5/v1/websdk/js/sdk_release.js
sdk.talking####.com/app/h5/v1?appid=####&vn=####&vc=####
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
h5####.talking####.net/app/v1
l####.tbs.qq.com/ajax?c=####&k=####
nbkingl####.cn-hang####.log.####.com/logstores/nbkingloan-statistics-rel...
nbkingl####.cn-hang####.log.####.com/logstores/nbkingloan_android_releas...
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/104a018b831c1e79a23fbe41beb5a1137b86274c8cebd50....0.tmp
/data/data/####/1539558558241_2285
/data/data/####/1539558558263_2285
/data/data/####/1539558558263_2285 (deleted)
/data/data/####/1539558558302_2285
/data/data/####/1539558558391_2285
/data/data/####/1539558558849_2313
/data/data/####/1539558558897_2313
/data/data/####/4b31e8cf9cd40b57e8c7f710c8b158dd37062d5d24e05ee....0.tmp
/data/data/####/NUANSHUIDAI.xml
/data/data/####/TDCloudSettingsConfig40BD1064395249EC84A84E29CF0BF39F.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/bankcode.json
/data/data/####/bugly_db_-journal
/data/data/####/com.nbkingloan.fastloan.BETA_VALUES.xml
/data/data/####/com.nbkingloan.fastloan_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/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/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-374556722.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/province.json
/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/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/tdid.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/c191f596-d823-4a7b-9953-2926fdcc822e.jpg
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.nbkingloan.fastloan.bin
/data/media/####/com.nbkingloan.fastloan.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.nbkingloan.installmentloan.getui.PushService 25326 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-374556722.so
getprop
getprop ro.product.cpu.abi
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.nbkingloan.installmentloan.getui.PushService 25326 300 0

Loads the following dynamic libraries: