Adware.Gexin.18021

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.umengc####.com:80
TCP(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) tig####.cas####.cn:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a####.umengc####.com
and####.b####.qq.com
c-h####.g####.com
cm-1####.ig####.com
fp.fraudme####.cn
log.u####.com
oc.u####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
tig####.cas####.cn

HTTP GET requests:

et2-na6####.wagbr####.ali####.####.com/bar/get/54449e1ffd98c5a872001233/...
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_Soq141
q####.c####.l####.####.com/tdata_eTB810
q####.c####.l####.####.com/tdata_ris804
q####.c####.l####.####.com/tdata_tQZ349

HTTP POST requests:

a####.u####.com/app_logs
a####.umengc####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
oc.u####.com/v2/get_update_time
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/ user_data.xml
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1569514587423.log
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/LoginInfo.xml
/data/data/####/MultiDex.lock
/data/data/####/UserInfo.xml
/data/data/####/UserInfo_As.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.cash360_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firstLogin.xml
/data/data/####/fm_shared.xml
/data/data/####/gdaemon_20161017
/data/data/####/geTuiXml.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-19471157.so
/data/data/####/local_crash_lock
/data/data/####/modle_selectinterface.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/onlineconfig_agent_online_setting_cn.cash360.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp_banner_info.xml
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_eTB810
/data/data/####/tdata_eTB810.jar
/data/data/####/tdata_tQZ349
/data/data/####/tdata_tQZ349.jar
/data/data/####/tiger.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1569514589100.env
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/versionCode.xml
/data/media/####/-1090725809-1980345967
/data/media/####/-1681434654.tmp
/data/media/####/.fraudmetrixid
/data/media/####/547238337-1862227261
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/cn.cash360.bin
/data/media/####/cn.cash360.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_Soq141
/data/media/####/tdata_eTB810
/data/media/####/tdata_tQZ349
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.tiger.business.push.PushService 23823 300 0
chmod 444 /storage/emulated/0/.fraudmetrixid
chmod 444 /storage<SD-Card>0/.fraudmetrixid
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop net.dns1
ls -l /system/bin/su
ls -l /system/xbin/su
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.tiger.business.push.PushService 23823 300 0

Loads the following dynamic libraries: