Adware.Gexin.17227

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.sinawal####.com:443
TCP(TLS/1.0) idu####.qini####.com:443
TCP(TLS/1.0) st####.sinawal####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) api.j####.cn:443
TCP(TLS/1.0) adt.x####.com:443
TCP(TLS/1.0) pub.si####.com:443
TCP(TLS/1.0) t####.si####.com:4006
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
adt.x####.com
and####.b####.qq.com
api.j####.cn
api.sinawal####.com
c####.x####.com
c-h####.g####.com
cdn.static####.org
cm-1####.ig####.com
norma-e####.m####.com
pub-####.qin####.com
pub.si####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.sinawal####.com
t####.si####.com

HTTP GET requests:

norma-e####.m####.com/android/exchange/getpublickey.do
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_LRe817
q####.c####.l####.####.com/tdata_ZPR725
q####.c####.l####.####.com/tdata_bca864
qin####.com.www.####.com/tdata_EDT369

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
norma-e####.m####.com/push/android/external/add.do
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/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/1565931912471_2150
/data/data/####/1565931912941_2150
/data/data/####/1565931913702_2150
/data/data/####/1565931917451_2150
/data/data/####/1565931918278_2150
/data/data/####/1565931918769_2150
/data/data/####/1565931919992_2150
/data/data/####/8751e9ab95de3973f0ba85a7fa59683ec5ba70765a41ffe....0.tmp
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol2.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime1.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime1.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.panda.stages.BETA_VALUES.xml
/data/data/####/com.panda.stages_preferences.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/deviceInfo.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/####/f_000009
/data/data/####/f_00000a
/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/####/init_interface_data.dat
/data/data/####/iv
/data/data/####/journal.tmp
/data/data/####/jsxmdk.db-journal
/data/data/####/king.db
/data/data/####/king.db-journal
/data/data/####/libjiagu-1358254164.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/mz_push_preference.xml
/data/data/####/native_record_lock
/data/data/####/platform_config.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/####/run.pid
/data/data/####/salt
/data/data/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdid.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/2019-08-16.log.txt
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.panda.stages.bin
/data/media/####/com.panda.stages.db
/data/media/####/tdata_LRe817
/data/media/####/tdata_ZPR725
/data/media/####/tdata_bca864
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.getui.PushService 24574 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.getui.PushService 24574 300 0

Loads the following dynamic libraries:

Bugly
X86Bridge
getuiext3
libjiagu-1358254164

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

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Myths

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