Adware.Gexin.8248

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) api.map.b####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) bdbsas####.oss-cn-####.aliy####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) a####.wzj.com:443
TCP(TLS/1.0) t####.growi####.com:443

DNS requests:

a####.wzj.com
and####.b####.qq.com
api.map.b####.com
av1.x####.com
bdbsas####.oss-cn-####.aliy####.com
c####.x####.com
l####.tbs.qq.com
loc.map.b####.com
log.u####.com
pi####.qq.com
plb####.u####.com
t####.growi####.com
t.growi####.com
u####.u####.com

HTTP GET requests:

api.map.b####.com/api?x=####&y=####&qt=####&bt=####&extf=####&mb=####&os...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/sdk.php
pi####.qq.com/mstat/report/?index=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1548982383376_2328
/data/data/####/1548982385087_2328
/data/data/####/1548982386576_2328
/data/data/####/1548982387207_2328
/data/data/####/1548982387472_2328
/data/data/####/1548982387698_2328
/data/data/####/1548982388103_2328
/data/data/####/1548982388327_2328
/data/data/####/1548982388744_2328
/data/data/####/1548982389064_2328
/data/data/####/1548982389662_2328
/data/data/####/1548982390073_2328
/data/data/####/1548982390328_2328
/data/data/####/1548982391206_2328
/data/data/####/1548982391423_2328
/data/data/####/1548982391690_2328
/data/data/####/7d68f2bf628e5ab308ba136c4463c4b95c11c06bbd13b4e....0.tmp
/data/data/####/Alvin2.xml
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/COMMON_GSON_SP.xml
/data/data/####/ContextData.xml
/data/data/####/FwLog.xml
/data/data/####/MultiDex.lock
/data/data/####/Statistics.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/authStatus_com.buduobushao.android.webclient;remote.xml
/data/data/####/buduobushao.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.buduobushao.android.webclient.mid.world.ro.xml
/data/data/####/com.buduobushao.android.webclient_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ4OTgyMzgxMzY1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ4OTgyNDM3NjE1;
/data/data/####/dW1weF9zaGFyZV8xNTQ4OTgyMzg0MDE5;
/data/data/####/dW1weF9zaGFyZV8xNTQ4OTgyMzg1Mjc3;
/data/data/####/download_upload
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/i==1.2.0&&4.17.0_1548982381548_envelope.log
/data/data/####/info.xml
/data/data/####/iv
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-59255782.so
/data/data/####/local_crash_lock
/data/data/####/locale.config.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pri_tencent_analysis.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/salt
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdid.xml
/data/data/####/tencent_analysis.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_socialize.xml
/data/data/####/wozaijia_system_sp.xml
/data/data/####/wozaijia_version_sp.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.tcookieid
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/media/####/test.0
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

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 getprop
getprop
getprop ro.product.cpu.abi
ls /sys/class/thermal

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_0_0
BaiduMapSDK_search_v4_0_0
Bugly
MtaNativeCrash_v2
RongIMLib
libjiagu-59255782
locSDK7
securityenv

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Displays its own windows over windows of other apps.

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