Adware.Gexin.7625

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) a####.u####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) wanp####.127.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) wanp####.127.net:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) c####.163.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) ser####.hh####.com:8009
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
amap####.cn-hang####.oss####.####.com
c####.163.com
c####.g####.ig####.com
c-h####.g####.com
lbs.net####.im
res####.a####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.hh####.com
wanp####.127.net

HTTP GET requests:

t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_Bbr255
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_vxj811
wanp####.127.net/lbs?version=####

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/-1383833600
/data/data/####/-1573551360
/data/data/####/-314820341
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0137705231948.0
/data/data/####/1179731230510.0
/data/data/####/13113123499077.0
/data/data/####/1497095854504.0
/data/data/####/17149659749630.0
/data/data/####/20145666288729.0
/data/data/####/21127899594641.0
/data/data/####/22109098832255.0
/data/data/####/2397097814250.0
/data/data/####/2693119545784.0
/data/data/####/27137702940037.0
/data/data/####/3117283133611.0
/data/data/####/37134911051124.0
/data/data/####/37141677242077.0
/data/data/####/379705879802.0
/data/data/####/4086919024489.0
/data/data/####/42157647269551.0
/data/data/####/43153654335533.0
/data/data/####/46113137517339.0
/data/data/####/47157639754350.0
/data/data/####/52105097052421.0
/data/data/####/567288094
/data/data/####/60145678822445.0
/data/data/####/62101102950657.0
/data/data/####/63127934081705.0
/data/data/####/6386920461543.0
/data/data/####/66105095365055.0
/data/data/####/67134918726960.0
/data/data/####/6889087171278.0
/data/data/####/70141675360833.0
/data/data/####/71117281476697.0
/data/data/####/73109101119976.0
/data/data/####/7493118034418.0
/data/data/####/79101116851585.0
/data/data/####/81153652100333.0
/data/data/####/850004227
/data/data/####/850200995
/data/data/####/889089069285.0
/data/data/####/96149651710899.0
/data/data/####/CrashTimes.xml
/data/data/####/NIMSDK_Config_fcee3adedd52744c6930bab90291568a.xml
/data/data/####/config.xml
/data/data/####/exchangeIdentity.json
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hk.hhw.huanxin_preferences.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/livetimer.xml
/data/data/####/log1547344278023
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mobclick_agent_cached_hk.hhw.huanxin152
/data/data/####/multidex.version.xml
/data/data/####/okhttputils_cookie.xml
/data/data/####/pref.xml
/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/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/sqlite-city.db-journal
/data/data/####/sqlite-push-msg.db-journal
/data/data/####/tdata_Bbr255
/data/data/####/tdata_Bbr255.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/tempfile
/data/data/####/topic_ad.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.nomedia
/data/media/####/als.db
/data/media/####/als.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/hk.hhw.huanxin.bin
/data/media/####/hk.hhw.huanxin.db
/data/media/####/nim_sdk.log
/data/media/####/tdata_Bbr255
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.MyPushService 24393 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
logcat -d -v threadtime
ps 2296
ps 2321
ps 2358
ps 2400
ps 2785
ps 2806
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.MyPushService 24393 300 0

Loads the following dynamic libraries:

bugrpt
cosine
getuiext2
libjiagu
tusdk-library

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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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