Adware.Gexin.20317

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.3.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c####.g####.com:80
TCP(HTTP/1.1) b####.g####.com:80
TCP(HTTP/1.1) pc.suishe####.net:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) gs.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) enhance####.r####.cn:80
TCP(HTTP/1.1) l####.cc:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(TLS/1.0) v0-clie####.r####.cn:443
TCP(TLS/1.0) e6d6####.cdn.uc####.####.cn:443
TCP(TLS/1.0) i####.g####.com.####.net:443
TCP(TLS/1.0) t.g####.qq.com:443
TCP(TLS/1.0) marke####.et####.cn:443
TCP(TLS/1.0) sf3-ttc####.ps####.com:443
TCP(TLS/1.0) v2-st####.et####.cn.####.com:443
TCP(TLS/1.0) res####.a####.com:443

DNS requests:

a####.u####.com
ap####.g####.com
b####.g####.com
b####.g####.com
c####.g####.com
c####.g####.com
cdn-sdk####.g####.com
clien####.r####.cn
enhance####.r####.cn
gs.g####.com
i####.g####.com
is.sn####.com
l####.cc
marke####.et####.cn
mo####.b####.com
pc.suishe####.net
res####.a####.com
sf3-ttc####.ps####.com
sto####.dizha####.cn
t.g####.qq.com
v0-clie####.r####.cn
v2-st####.et####.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_cgT354
l####.cc/i/sdk/is_gal?imei_md5=####&os=####&p_chklst_version=####&retry_...
pc.suishe####.net/peacock/api/zhwnl/v3/awake?city_key=####&device=####&a...

HTTP POST requests:

a####.u####.com/app_logs
ap####.g####.com/bd
b####.g####.com/api.php?format=####&t=####
c####.g####.com/api.php?format=####&t=####
enhance####.r####.cn/enhancement/api/v1/ads
gs.g####.com/encryption/key/fetch
gs.g####.com/geshu/sdkStatistics/bindInfo
gs.g####.com/geshu/sdkStatistics/uploadBI
l####.cc/i/sdk/install

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1021689741840853517
/data/data/####/A3AEECD8.dex
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DownloadMarket.db-journal
/data/data/####/ECalendarPreferences.xml
/data/data/####/Evoke.db.xml
/data/data/####/LKME_Server_Request_Queue.xml
/data/data/####/MultiDex.lock
/data/data/####/MyPreferencesJustAdUpdate.xml
/data/data/####/PreSettings-journal
/data/data/####/SuishenAd_prf.xml
/data/data/####/SuishenExitPageSDK_v106.apk
/data/data/####/Umeng.xml
/data/data/####/Update.db.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/daemon
/data/data/####/downloader.db-journal
/data/data/####/eCalendar.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gin.db-journal
/data/data/####/gtc.db-journal
/data/data/####/history_cache.db-journal
/data/data/####/ias.db-journal
/data/data/####/ias_sp.xml
/data/data/####/k.store
/data/data/####/libjiagu1648079278.so
/data/data/####/linkedme_referral_shared_pref.xml
/data/data/####/multidex.version.xml
/data/data/####/mySP.xml
/data/data/####/pref.xml
/data/data/####/serverData.db-journal
/data/data/####/sp_push_time.xml
/data/data/####/suishen_ad.db-journal
/data/data/####/suishen_ad_pramas.xml
/data/data/####/tdata_cgT354.jar
/data/data/####/tdata_cgT354188605938.tmp
/data/data/####/tt_sdk_settings.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/update.xml
/data/data/####/webview.db-journal
/data/data/####/次数文件架.xml
/data/media/####/._etouch_ecalendar.db
/data/media/####/.lm_device_id
/data/media/####/.nomedia
/data/media/####/3b0c95fd5dc1ebb1882e300b8e657f9c_temp
/data/media/####/415e22f88074ee839694e1adcbbdf800_temp
/data/media/####/443730983474a702cab10c257feb0a9e_temp
/data/media/####/7f24e57e23cbae2c0440ce69cb73cf26_temp
/data/media/####/911d8e22eba59be3c3e5d50aae8f888c_temp
/data/media/####/96f627d29d92bd22ae8048728e7e1882_temp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/ECSettingsV2.db-journal
/data/media/####/Movieous2020-05-15.log
/data/media/####/a6c60816eadeb20432ece1f00578317a_temp
/data/media/####/blank.png
/data/media/####/btn_nav_bg.9.png
/data/media/####/btn_nav_sel.9.png
/data/media/####/cn.etouch.ecalendar_.db
/data/media/####/dialog_details_bg.9.png
/data/media/####/dialog_dismiss.png
/data/media/####/dialog_dismiss_sel.png
/data/media/####/download_btn_normal.9.png
/data/media/####/e65fcc855e9820f53e942f49497fd11b_temp
/data/media/####/etouch_ecalendar.db
/data/media/####/etouch_ecalendar.db-journal
/data/media/####/f3b62b65e71ee2e2febbc0bc2d7ddc3f_temp
/data/media/####/fes_type_sel.9.png
/data/media/####/grid_bg.9.png
/data/media/####/grid_sel.9.png
/data/media/####/ic_btn_down.png
/data/media/####/ic_default.png
/data/media/####/info
/data/media/####/list_bg_sel.png
/data/media/####/tdata_cgT354
/data/media/####/top_btn_normal.9.png
/data/media/####/top_btn_selected.9.png
/data/media/####/update_btn_normal.9.png

Miscellaneous:

Executes the following shell scripts:

cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/app_bin/daemon
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id

Loads the following dynamic libraries:

A3AEECD8
EcalendarLib
daemon_api20
libjiagu1648079278

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding
DESede

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.

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