Adware.Gexin.5326

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) pub-####.qin####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) na61-####.wagbr####.non####.####.com:443
TCP(TLS/1.0) huobigl####.zen####.com:443
TCP(TLS/1.0) api.face####.com:443
TCP(TLS/1.0) e.crashly####.com:443
TCP(TLS/1.0) www.h####.com:443
TCP(TLS/1.0) 1####.217.19.206:443
TCP(TLS/1.0) sett####.crashly####.com:443
TCP(TLS/1.0) www.h####.br.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) w####.hbg.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
api.growi####.com
c####.g####.ig####.com
c-h####.g####.com
e.crashly####.com
g####.face####.com
huobigl####.zen####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sett####.crashly####.com
t####.growi####.com
t.growi####.com
w####.hbg.com
www.h####.br.com
www.h####.com
y####.al####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091

HTTP POST requests:

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/####/.jg.ic
/data/data/####/03374d39ef307c4b58ce0f982e1baf1a.0.tmp
/data/data/####/03374d39ef307c4b58ce0f982e1baf1a.1.tmp
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/21c22f492aba3de8.lock
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047BeginSession.cls_temp
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047BeginSession.json
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionApp.cls_temp
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionApp.json
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionDevice.cls_temp
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionDevice.json
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionOS.cls_temp
/data/data/####/5BFB987B01BA-0001-08E9-C90B1E8CE047SessionOS.json
/data/data/####/930a31b34bd52c08.lock
/data/data/####/MultiDex.lock
/data/data/####/Q0VSVC5SU0EK.txt8e9
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/TwitterAdvertisingInfoPreferences.xml
/data/data/####/aa0c89b6a498
/data/data/####/com.crashlytics.prefs.xml
/data/data/####/com.crashlytics.sdk.android;answers;settings.xml
/data/data/####/com.crashlytics.settings.json
/data/data/####/com.facebook.internal.preferences.APP_SETTINGS.xml
/data/data/####/com.facebook.sdk.appEventPreferences.xml
/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/####/config_username.xml
/data/data/####/crashlytics-userlog-5BFB987B01BA-0001-08E9-C90B...mp.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/initialization_marker
/data/data/####/io.fabric.sdk.android;fabric;io.fabric.sdk.android.l.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu977607140.so
/data/data/####/libsgmainso-5.3.38.so.tmp
/data/data/####/libsgsecuritybodyso-5.3.27.so.tmp
/data/data/####/lock.lock
/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/####/sa_b3c42405-8421-4edc-9152-7a767583c91d_1543215229619.tap
/data/data/####/sa_ff338d21-b5c4-4420-b79b-214c31ac4435_1543215229098.tap
/data/data/####/session_analytics.tap
/data/data/####/session_analytics.tap.tmp
/data/data/####/sp.lock
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/user_config.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.huobi.bin
/data/media/####/com.huobi.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dd7893586a493dc3
/data/media/####/hid.dat
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.GeTuiPushService 23900 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
mount

Loads the following dynamic libraries:

getuiext2
libjiagu977607140
sgmainso-5.3
sgsecuritybodyso-5.3

Uses the following algorithms to encrypt data:

RSA-NONE-OAEPWithSHA1AndMGF1Padding

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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