Adware.Gexin.20811

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####.u####.com.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5224

DNS requests:

a####.u####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
log.u####.com
mt####.go####.com
r####.piaodad####.com
s####.u####.com
sdk-ope####.g####.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

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_WVc478
cdn-sdk####.g####.com.####.com/tdata_pKX830
cdn-sdk####.g####.com.####.com/tdata_pmY337
d####.c####.l####.####.com/config/hzv9.conf
et2-na6####.wagbr####.ali####.####.com/bar/get/59e46ca35312dd8b5500003b/...
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com.####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1602140818370.log
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MEMBER_IM.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu285026830.so
/data/data/####/pdd.db-journal
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_WVc478
/data/data/####/tdata_WVc478.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.jar
/data/data/####/tdata_pmY337
/data/data/####/tdata_pmY337.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.tuyue.piaodada.bin
/data/media/####/com.tuyue.piaodada.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_CoH340
/data/media/####/tdata_WVc478
/data/media/####/tdata_pKX830
/data/media/####/tdata_pmY337
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 24802 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu285026830.so
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 24802 300 0

Loads the following dynamic libraries: