Adware.Gexin.22098

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) ga.rsv.eas####.####.com:80
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) 1####.250.179.170:443
TCP(TLS/1.0) api.do####.com:1443
TCP(TLS/1.0) a4.eas####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) 1####.250.179.142:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) instant####.google####.com:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP zb-cent####.m.ta####.com:443

DNS requests:

a####.man.aliy####.com
a4.eas####.com
amdc####.m.ta####.com
and####.b####.qq.com
and####.google####.com
android####.go####.com
api.do####.com
api.map.b####.com
instant####.google####.com
m####.go####.com
rs.eas####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

api.do####.com:1443/api/v1/token?appid=####&op=####&secret=####
ga.rsv.eas####.####.com/easemob/server.json?sdk_version=####&app_key=###...

HTTP POST requests:

a4.eas####.com:443/bookway/bookway/devices
adash####.man.aliy####.com/man/api?ak=####&s=####
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
and####.b####.qq.com/rqd/async?aid=####
api.map.b####.com:443/sdkcs/verify

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/1004
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/BQMMSDKVersion.xml
/data/data/####/Bqmm.db-journal
/data/data/####/Bqmm.db-journal (deleted)
/data/data/####/ContextData.xml
/data/data/####/HttpCache.db-journal
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/authStatus_com.yaya.tushu.xml
/data/data/####/authStatus_com.yaya.tushu;channel.xml
/data/data/####/authStatus_com.yaya.tushu;pushservice.xml
/data/data/####/authStatus_com.yaya.tushu;remote.xml
/data/data/####/authStatus_com.yaya.tushu;system.xml
/data/data/####/bqmm_keyword_emojis.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.oat
/data/data/####/classes.oat.flock (deleted)
/data/data/####/com.yaya.tushu_preferences.xml
/data/data/####/config.json
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQxMDYwMjIxNjcy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQxMDYwMjM3MTg4;
/data/data/####/dbbookway.db
/data/data/####/dbbookway.db-journal
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&3.7.2_1641060222467_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/mac.xml
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/metrics_guid
/data/data/####/native_record_lock
/data/data/####/package_downstate.xml
/data/data/####/proc_auxv
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/security_info
/data/data/####/server.json
/data/data/####/the-real-index
/data/data/####/tmpd8.db-journal
/data/data/####/tushu.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/media/####/.cuid2
/data/media/####/2022-01-02-02-03-57.log
/data/media/####/2022-01-02-02-04-04.log
/data/media/####/49c6a36aaea8ee1549c1cd3e07070c79
/data/media/####/63a7277373e84af8a17adc95a250d840
/data/media/####/68590eb111524a28a34c5b8a52c0b47a
/data/media/####/Alvin2.xml
/data/media/####/Alvin2.xml (deleted)
/data/media/####/ContextData.xml
/data/media/####/easemob.log
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/monitor.db
/data/media/####/monitor.db-journal

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
/system/bin/sh -c type su
getprop
grep 4263
ls /
ls /sys/class/thermal
ps
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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.).

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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