Adware.Gexin.6687

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) a####.thext####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) m.thext####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) api.face####.com:443
TCP(TLS/1.0) app-mea####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) st####.xx.f####.net:443
TCP(TLS/1.0) sconten####.xx.f####.net:443
TCP(TLS/1.0) face####.com:443
TCP(TLS/1.0) wa####.127.net:443
TCP(TLS/1.0) f####.com:443
TCP(TLS/1.0) m.face####.com:443
TCP 47.2####.129.35:30000
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.thext####.com
a####.u####.com
app-mea####.com
c####.g####.ig####.com
c-h####.g####.com
f####.com
f####.net
face####.com
g####.face####.com
lbs.net####.im
m.face####.com
m.thext####.com
sconten####.xx.f####.net
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.xx.f####.net
wa####.127.net

HTTP GET requests:

a####.thext####.com/
m.thext####.com/news/api/startup/init/v4?t=####&deviceId=####&sourceId=#...
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930
ti####.c####.l####.####.com/config/hz-hzv3.conf

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/####/.imprint
/data/data/####/.jg.ic
/data/data/####/Alvin2.xml
/data/data/####/AppEventsLogger.persistedevents
/data/data/####/ContextData.xml
/data/data/####/Demo..xml
/data/data/####/MultiDex.lock
/data/data/####/NIMSDK_Config_30253e4af067640cc46d52cd3c687208.xml
/data/data/####/PreferenceSetting_default.xml
/data/data/####/TradeConfig_config.xml
/data/data/####/com.facebook.AccessTokenManager.SharedPreferences.xml
/data/data/####/com.facebook.internal.preferences.APP_GATEKEEPERS.xml
/data/data/####/com.facebook.internal.preferences.APP_SETTINGS.xml
/data/data/####/com.facebook.loginManager.xml
/data/data/####/com.facebook.sdk.appEventPreferences.xml
/data/data/####/com.facebook.sdk.attributionTracking.xml
/data/data/####/com.google.InstanceId.properties
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.rynat.xtrend_preferences.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/datacache.db-journal
/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/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/google_app_measurement.db-journal
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-2113777060.so
/data/data/####/mobclick_agent_cached_com.rynat.xtrend21
/data/data/####/mobclick_agent_online_setting_com.rynat.xtrend.xml
/data/data/####/mpush.cfg.xml
/data/data/####/multidex.version.xml
/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/####/setting.xml
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/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.rynat.xtrend.bin
/data/media/####/com.rynat.xtrend.db
/data/media/####/journal.tmp
/data/media/####/nim_sdk.log
/data/media/####/official_config
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.trade.eight.moudle.push.AppPushCoreService 24630 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017

Loads the following dynamic libraries:

getuiext3
libjiagu-2113777060

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

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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