Adware.Gexin.21574

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) al####.u####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) is.sn####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 74.1####.131.95:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) 1####.251.1.95:443
TCP(TLS/1.0) app.ibusc####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.2) 74.1####.131.113:443
TCP(TLS/1.2) 1####.251.1.95:443
TCP(TLS/1.2) 1####.177.14.94:443
UDP 1####.251.1.95:443
UDP p####.google####.com:443
TCP app.ibusc####.com:443
TCP zb-cent####.m.ta####.com:443
TCP ad.yumei####.com:443

DNS requests:

a####.man.aliy####.com
a####.u####.com
ad.yumei####.com
amdc####.m.ta####.com
and####.google####.com
app.ibusc####.com
is.sn####.com
log.u####.com
m####.go####.com
md####.google####.com
norma-e####.m####.com
p####.google####.com
plb####.u####.com
safebro####.google####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sf3-fe####.pglstat####.com
sf3-ttc####.ps####.com
to####.ctobsn####.com
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

is.sn####.com:443/obj/ad-pattern/renderer/ee5be3/index.js
is.sn####.com:443/obj/ad-pattern/renderer/package.json
is.sn####.com:443/service/2/app_alert_check/?&os_api=####&device_type=##...
norma-e####.m####.com/android/exchange/getpublickey.do

HTTP POST requests:

adash####.man.aliy####.com/man/api?ak=####&s=####
al####.u####.com/app_logs
al####.u####.com:443/unify_logs
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
dualsta####.wagbr####.ali####.####.com:443/umpx_internal
dualsta####.wagbr####.ali####.####.com:443/umpx_share
is.sn####.com:443/api/ad/union/sdk/upload/app_info/
is.sn####.com:443/service/2/app_log/?tt_data=####&&os_api=####&device_ty...
is.sn####.com:443/service/2/device_register_only/?&os_api=####&device_ty...
is.sn####.com:443/service/2/log_settings/?&os_api=####&device_type=####&...
norma-e####.m####.com/push/android/external/add.do
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/14aa8a14becd44f5a510529f91013262
/data/data/####/9cb0ba3f2cc24f8b92228f77eacbd2f1
/data/data/####/ACCS_BINDumeng;59bf55d8734be45c6400012b.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/ACCS_SDK_CHANNEL.xml.bak
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/bd_embed_tea_agent.db-journal
/data/data/####/bytedance_downloader.db-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes10.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/classes.dex;classes6.dex
/data/data/####/classes.dex;classes7.dex
/data/data/####/classes.dex;classes8.dex
/data/data/####/classes.dex;classes9.dex
/data/data/####/classes.oat
/data/data/####/com.ibuscloud.publictransit_preferences.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/config.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjMxMjM0MDA0MjQ4;
/data/data/####/dW1weF9zaGFyZV8xNjMxMjM0MDMyNzI0;
/data/data/####/dW1weF9zaGFyZV8xNjMxMjM0MDMyOTAz;
/data/data/####/embed_applog_stats.xml
/data/data/####/embed_last_sp_session.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_cache.xml.bak
/data/data/####/i==1.2.0&&1.3.9_1631234004216_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/libtnet-3.1.14bk1.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/metrics_guid
/data/data/####/mz_push_preference.xml
/data/data/####/proc_auxv
/data/data/####/publictransport-db-journal
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/share.db-journal
/data/data/####/snssdk_openudid.xml
/data/data/####/sp_ym_cache.xml
/data/data/####/tt_sp_app_list.xml
/data/data/####/tt_sp_app_list.xml.bak
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_socialize.xml
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
chmod 777 /data/user/0/<Package>/cache/Download
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

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.

Requests the system alert window permission.

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