Adware.Gexin.1718

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) o####.e.189.cn:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(SSL/3.0) c####.x####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) api.face####.com:443
TCP(TLS/1.0) o####.e.189.cn:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) go####.1gos####.com:443

DNS requests:

a####.man.aliy####.com
av1.x####.com
c####.x####.com
g####.face####.com
go####.1gos####.com
hotfix####.aliy####.com
i.t####.com
log.u####.com
o####.e.189.cn
s####.u####.com
sdk.o####.p####.####.com

HTTP GET requests:

i.t####.com/a/3c99d6d9a19c2699cbe29901bb0c04372

HTTP POST requests:

o####.e.189.cn/api/clientSuit/uploadResponseLog.do
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1535126094783_2080
/data/data/####/1535126095112.log
/data/data/####/1535126095797_2080
/data/data/####/1535126096691_2080
/data/data/####/1535126097685_2080
/data/data/####/1535126097900_2080
/data/data/####/1535126111939_2195
/data/data/####/1535126112220_2195
/data/data/####/1535126131176_2080
/data/data/####/1535126136637_2080
/data/data/####/1535126155823_2080
/data/data/####/1535126159342_2080
/data/data/####/Alvin2.xml
/data/data/####/AppEventsLogger.persistedevents
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/ContextData.xml
/data/data/####/INSTALLATION_NEW
/data/data/####/MultiDex.lock
/data/data/####/Setting.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/audioWorksInfo-journal
/data/data/####/com.egospace.go_play_account_sdk.xml
/data/data/####/com.egospace.go_play_preferences.xml
/data/data/####/com.facebook.sdk.appEventPreferences.xml
/data/data/####/com.facebook.sdk.attributionTracking.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml.bak
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/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/####/getui_sp.xml
/data/data/####/index
/data/data/####/init_c1.pid
/data/data/####/init_er.pid
/data/data/####/iv
/data/data/####/libjiagu-1460573057.so
/data/data/####/multidex.version.xml
/data/data/####/salt
/data/data/####/sp_sophix.xml
/data/data/####/tdid.xml
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xUtils.db-journal
/data/media/####/.DS_Store
/data/media/####/._.DS_Store
/data/media/####/._Common
/data/media/####/._tail_1280x720_0.mp4
/data/media/####/._tail_1280x720_180.mp4
/data/media/####/._tail_1280x720_270.mp4
/data/media/####/._tail_1280x720_90.mp4
/data/media/####/._tail_1920x1080_0.mp4
/data/media/####/._tail_1920x1080_180.mp4
/data/media/####/._tail_1920x1080_270.mp4
/data/media/####/._tail_1920x1080_90.mp4
/data/media/####/._tail_640x480_0.mp4
/data/media/####/._tail_640x480_180.mp4
/data/media/####/._tail_640x480_270.mp4
/data/media/####/._tail_640x480_90.mp4
/data/media/####/.tcookieid
/data/media/####/1zsnnbf4hrz3zv0p08tqr1t6h.tmp
/data/media/####/4aa6eq3e76x6b7i2dbqfljtrr.tmp
/data/media/####/6o6fhwxg15c8pioi5vp9eda71.tmp
/data/media/####/6px4wmz5gtqszyy42o8fmjlnw.tmp
/data/media/####/Alvin2.xml
/data/media/####/Common.zip
/data/media/####/ContextData.xml
/data/media/####/GoPlayDataBase.db-journal
/data/media/####/INSTALLATION_NEW
/data/media/####/filter_10.bin
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tail_1280x720_0.mp4
/data/media/####/tail_1280x720_180.mp4
/data/media/####/tail_1280x720_270.mp4
/data/media/####/tail_1280x720_90.mp4
/data/media/####/tail_1920x1080_0.mp4
/data/media/####/tail_1920x1080_180.mp4
/data/media/####/tail_1920x1080_270.mp4
/data/media/####/tail_1920x1080_90.mp4
/data/media/####/tail_640x480_0.mp4
/data/media/####/tail_640x480_180.mp4
/data/media/####/tail_640x480_270.mp4
/data/media/####/tail_640x480_90.mp4

Miscellaneous:

Executes next shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu-1460573057.so
getprop

Loads the following dynamic libraries:

getuiext2
libjiagu-1460573057
msc

Uses the following algorithms to encrypt data:

AES
AES-CBC-NoPadding
AES-CBC-PKCS5Padding
DESede-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Displays its own windows over windows of other applications.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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