Adware.Gexin.6646

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) and####.b####.qq.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) y####.y####.com:443
TCP(TLS/1.0) ope####.b####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP cloudco####.mta.qq.com:4002

DNS requests:

and####.b####.qq.com
api.w####.com
cgi.con####.qq.com
cloudco####.mta.qq.com
ope####.b####.com
pi####.qq.com
plb####.u####.com
res####.a####.com
sdk.o####.p####.####.com
u####.u####.com
y####.y####.com

HTTP GET requests:

cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?sdkv=####&appid=###...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
pi####.qq.com/mstat/report/?index=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/201812171444344.v1.crash
/data/data/####/201812171444462.v1.crash
/data/data/####/201812171444673.v1.crash
/data/data/####/201812171445908.v1.crash
/data/data/####/4095411932351.0
/data/data/####/775510374019.0
/data/data/####/985783543672.0
/data/data/####/Alvin2.xml
/data/data/####/AndroidTTS.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/StatisticsData.xml
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/com.kuaijie.mid.world.ro.xml
/data/data/####/com.kuaijie_preferences.xml
/data/data/####/com.kuaijie_preferences.xml.bak
/data/data/####/com.tencent.open.config.json.1102294126
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MDU3ODcxMzM0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MDU3ODgyNTQ4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MDU3ODkyMDUy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MDU3OTA3MzY3;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&4.4.0_1545057870662_envelope.log
/data/data/####/i==1.2.0&&4.4.0_1545057882741_envelope.log
/data/data/####/i==1.2.0&&4.4.0_1545057892137_envelope.log
/data/data/####/info.xml
/data/data/####/init_c1.pid
/data/data/####/init_er.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libcuid.so
/data/data/####/libjiagu1366723225.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/multidex.version.xml
/data/data/####/note.db
/data/data/####/note.db-journal
/data/data/####/pref.xml
/data/data/####/pri_tencent_analysis.db_com.kuaijie
/data/data/####/pri_tencent_analysis.db_com.kuaijie-journal
/data/data/####/pri_tencent_analysis.db_com.kuaijie;pushservice-journal
/data/data/####/security_info
/data/data/####/systemPre.xml
/data/data/####/tencent_analysis.db_com.kuaijie
/data/data/####/tencent_analysis.db_com.kuaijie-journal
/data/data/####/tencent_analysis.db_com.kuaijie;pushservice-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/####/userPre.xml
/data/data/####/weibo_sdk_aid1
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.umm.dat
/data/media/####/1545057873993.db
/data/media/####/1545057884291.db
/data/media/####/1545057893857.db
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/com.tencent.mobileqq_connectSdk.18.12.17.14.log
/data/media/####/sysid.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
/system/bin/sh -c type su
getprop
logcat -c
logcat -d -v threadtime
logcat -d -v time
ls /sys/class/thermal

Loads the following dynamic libraries:

BDSpeechDecoder_V1
Bugly
MtaNativeCrash_v2
bd_etts
bdtts
getuiext2
gnustl_shared
libjiagu1366723225

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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 APN settings.

Displays its own windows over windows of other apps.

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Technical information

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