Adware.Gexin.6364

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) easya####.i####.com:80
TCP(HTTP/1.1) pub.si####.com:80
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) adt.x####.com:443
TCP(TLS/1.0) as####.growi####.com.####.net:443
TCP(TLS/1.0) jie.i####.cn:443
TCP(TLS/1.0) api.sinawal####.com:443
TCP(TLS/1.0) pub.si####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) 1####.217.17.110:443
TCP(TLS/1.0) easya####.i####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) st####.sinawal####.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
adt.x####.com
and####.b####.qq.com
api.growi####.com
api.sinawal####.com
as####.growi####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
easya####.i####.com
jie.i####.cn
pub-####.qin####.com
pub.si####.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####.growi####.com

HTTP GET requests:

easya####.i####.com/images/image/PID73020181108101141100.png
pub-####.qin####.com/tdata_EDT356
pub.si####.com/pg/optactive/activityCenter.png?sign=####
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
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/####/1004
/data/data/####/1544455023590_2264
/data/data/####/1544455023936_2264
/data/data/####/1544455024304_2264
/data/data/####/1544455025369_2264
/data/data/####/1544455025586_2264
/data/data/####/1544455025750_2264
/data/data/####/1544455026165_2264
/data/data/####/68dcd26c982b
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/SupLoan.db-journal
/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.sinaif.credit13_preferences.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/####/f_00000b
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/h5_config.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/init_interface_data.dat
/data/data/####/iv
/data/data/####/king.db
/data/data/####/king.db-journal
/data/data/####/libjiagu-1677643766.so
/data/data/####/local_crash_lock
/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/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/salt
/data/data/####/security_info
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/tdid.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/20181210151737.png
/data/media/####/ApplicationCache.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.sinaif.credit13.bin
/data/media/####/com.sinaif.credit13.db
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.getui.PushService 24780 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.getui.PushService 24780 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
libjiagu-1677643766
pl_droidsonroids_gif

Uses the following algorithms to encrypt data:

AES
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES
AES-GCM-NoPadding

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.

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