Android.Gexin.1401

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.z####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) x####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) sh.wagbr####.ta####.com:443
TCP(TLS/1.0) 2####.58.209.10:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.2) 1####.250.203.131:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 2####.58.209.10:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5226

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a####.u####.com
a.appj####.com
ad####.m.ta####.com
and####.cli####.go####.com
and####.google####.com
av1.x####.com
bcfeed####.ta####.com
c####.x####.com
c-h####.g####.com
c.sz.gt.####.8
c.sz.gt.####.com
cdn-sdk####.g####.com
cm-1####.g####.com
i####.cn
id1.cn.8.####.8
instant####.google####.com
k.y####.com
l.y####.com
l.y####.com.####.8
m.i####.com
m.i####.com.####.8
md####.google####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.z####.com
wb.110.ta####.com
www.gst####.com
x####.com
y####.al####.com

HTTP GET requests:

c####.x####.com:443/sdk/conf?id=####&p=####&v=####&sv=####&cv=####
cdn-sdk####.g####.com.####.com/tdata_myE644
d####.c####.l####.####.com/config/hzv9.conf
sh.wagbr####.ta####.com:443/getConfiguration.do?status=####&appkey=####&...
ti####.c####.l####.####.com/tdata_qHR433

HTTP POST requests:

a####.u####.com.####.com/app_logs
a.appj####.com/ad-service/ad/mark
c-h####.g####.com/api.php?format=####&t=####
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do
sdk.o####.p####.####.com/api.php?format=####&t=####
t####.z####.com/ielts/activate/insert
t####.z####.com/ielts/ad/adList
t####.z####.com/ielts/city/university/fetch
t####.z####.com/ielts/speaking/recall/fetch
x####.com:443/82412089/1

File system changes:

Creates the following files:

/data/data/####/-1040700435-265483300
/data/data/####/-795760308-1531011189
/data/data/####/-795760308-1768900467
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/18623608361972983445
/data/data/####/1d77ea041509fe06.lock
/data/data/####/21c22f492aba3de8.lock
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MATSharedPreferences.xml
/data/data/####/MATSharedPreferences.xml (deleted)
/data/data/####/PlayerUIApk.apk
/data/data/####/PlayerUIApk.dex
/data/data/####/PlayerUIApk.dex.flock (deleted)
/data/data/####/SGMANAGER_DATA2
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/TDCloudSettingsConfig2F2F3057AF48B3AE0038EC5D7C...ml.bak
/data/data/####/TDCloudSettingsConfig2F2F3057AF48B3AE0038EC5D7C7E32AA.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime.xml (deleted)
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/TalingDataConfig2F2F3057AF48B3AE0038EC5D7C7E32AA.xml
/data/data/####/UTCommon.xml
/data/data/####/WEIBO_SDK_DEMO.xml
/data/data/####/_ire-journal
/data/data/####/analytics_agent_cache_com.zhan.ieltstiku.download
/data/data/####/analytics_agent_header_.xml
/data/data/####/ap.Lock
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/counter_com.zhan.ieltstiku
/data/data/####/counter_com.zhan.ieltstiku.download
/data/data/####/ielts.db
/data/data/####/ielts.db-journal
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/libsgmain_315522000000.dex
/data/data/####/libsgmain_315522000000.dex.flock (deleted)
/data/data/####/libsgmainso-5.1.81.so
/data/data/####/lock.lock
/data/data/####/mobclick_agent_cached_com.zhan.ieltstiku20
/data/data/####/mobclick_agent_online_setting_com.zhan.ieltstiku.xml
/data/data/####/pref_longtime.xml
/data/data/####/proc_auxv
/data/data/####/profile
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/sp.lock
/data/data/####/talkingdata_file_prefence.xml
/data/data/####/td.lock
/data/data/####/tdata_myE644
/data/data/####/tdata_myE644.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/tmpd8.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/ut.db-journal (deleted)
/data/data/####/youkusdk_preferences.xml
/data/data/####/ywPrefsTools.xml
/data/media/####/.log.sf
/data/media/####/.tcookieid
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/YoukuAnalytics_Event_Cache.txt
/data/media/####/YoukuAnalytics_Save.txt
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.zhan.ieltstiku.db
/data/media/####/dd7893586a493dc3
/data/media/####/journal
/data/media/####/stats.file
/data/media/####/tdata_myE644

Miscellaneous:

Executes the following shell scripts:

chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
DES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
DES-CBC-PKCS5Padding

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.).

Gets information about installed apps.

Gets information about running apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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Technical information

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