Adware.Gexin.22355

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) and####.b####.qq.com:80
TCP(HTTP/1.1) rep####.mokay####.com:80
TCP(TLS/1.0) 1####.250.179.195:443
TCP(TLS/1.0) s####.ml####.cc:443
TCP(TLS/1.0) def####.cn.zb.####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP(TLS/1.2) 2####.58.208.99:443

DNS requests:

and####.b####.qq.com
api.map.b####.com
log.u####.com
m####.go####.com
rep####.mokay####.com
s####.ml####.cc
u####.u####.com

HTTP GET requests:

def####.cn.zb.####.com:443/bar/get/5b59331ff43e4878f70000bc/?pcv=####&de...
rep####.mokay####.com/report?durationTime=####&s_screen_width=####&sign=...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
api.map.b####.com:443/sdkcs/verify
s####.ml####.cc:443/config/v2
s####.ml####.cc:443/dp/dpls/v2
s####.ml####.cc:443/marketing/v2
s####.ml####.cc:443/tracking/v2

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/anr/traces.txt (deleted)
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/1004
/data/data/####/15f6b38a20ef63523722bb8d6ff7de0f.0.tmp
/data/data/####/15f6b38a20ef63523722bb8d6ff7de0f.1.tmp
/data/data/####/3a02401f94b2ff4a950c983dcc68aa6e.0.tmp
/data/data/####/3a02401f94b2ff4a950c983dcc68aa6e.1.tmp
/data/data/####/857ce1cb9c727029d341304135150215.0.tmp
/data/data/####/857ce1cb9c727029d341304135150215.1.tmp
/data/data/####/8b0678db637efdd4074c71b77c5ff663.0.tmp
/data/data/####/8b0678db637efdd4074c71b77c5ff663.1.tmp
/data/data/####/QALConfigStore.dat
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/SP_AROUTER_CACHE.xml.bak
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/app_reader_v15.db-journal (deleted)
/data/data/####/authStatus_com.myyh.mkyd.xml
/data/data/####/authStatus_com.myyh.mkyd;QALSERVICE.xml
/data/data/####/authStatus_com.myyh.mkyd;bookmarks.xml
/data/data/####/authStatus_com.myyh.mkyd;configService.xml
/data/data/####/authStatus_com.myyh.mkyd;dataService.xml
/data/data/####/authStatus_com.myyh.mkyd;library.xml
/data/data/####/authStatus_com.myyh.mkyd;libraryService.xml
/data/data/####/authStatus_com.myyh.mkyd;networkLibrary.xml
/data/data/####/authStatus_com.myyh.mkyd;pushservice.xml
/data/data/####/authStatus_com.myyh.mkyd;remote.xml
/data/data/####/authStatus_com.myyh.mkyd;synchroniser.xml
/data/data/####/bdda6b80a2cfdbf91d395ac1070e6381.0.tmp
/data/data/####/bdda6b80a2cfdbf91d395ac1070e6381.1.tmp
/data/data/####/books.db-journal
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/c144d119931695b92c99a718f7c01b54.0.tmp
/data/data/####/c144d119931695b92c99a718f7c01b54.1.tmp
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.oat
/data/data/####/classes.oat.flock (deleted)
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDa...ml.bak
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/config.db-journal
/data/data/####/cookie.db-journal
/data/data/####/crashrecord.xml
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/imsdk_20220117.log
/data/data/####/info.xml
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/mac.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/native_record_lock
/data/data/####/persistent_data.xml
/data/data/####/proc_auxv
/data/data/####/pushsdk.db-journal
/data/data/####/qalimid_v2
/data/data/####/report_v5.msgstore-journal (deleted)
/data/data/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/share.db-journal
/data/data/####/tls_device.dat
/data/data/####/tls_sdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_socialize.xml
/data/data/####/wlogin_device.dat
/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
/system/bin/sh -c type su
getprop
logcat -d -v threadtime
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
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 phone status (number, IMEI, etc.).

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

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Technical information

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