Adware.Gexin.9431

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) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) www.p####.cn:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) run####.statis####.e####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a.appj####.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
i####.cn
pub-####.qin####.com
run####.statis####.e####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.p####.cn

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_AXX896
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_Fus136
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.p####.cn/notify/log/exception?version=####&appId=####&pkgName=####&m...
www.p####.cn/notify/log/init?version=####&appId=####&pkgName=####&mobile...

HTTP POST requests:

a.appj####.com/ad-service/ad/mark
a.appj####.com/jiagu/check/upgrade
c-h####.g####.com/api.php?format=####&t=####
run####.statis####.e####.com/runtimeStat.php
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/1551463476206_2272
/data/data/####/1551463476287_2272
/data/data/####/1551463476428_2272
/data/data/####/1551463480710_2272
/data/data/####/1551463481034_2349
/data/data/####/1551463481201_2349
/data/data/####/1551463482426_2419
/data/data/####/1551463486662_2419
/data/data/####/1551463488868_2544
/data/data/####/1551463492753_2544
/data/data/####/1551463496358_2664
/data/data/####/1551463500477_2664
/data/data/####/1551463503442_2767
/data/data/####/1551463507186_2767
/data/data/####/1551463510527_2868
/data/data/####/1551463514181_2868
/data/data/####/1551463517458_2967
/data/data/####/1551463521355_2967
/data/data/####/1551463524023_3064
/data/data/####/1551463527862_3064
/data/data/####/1551463531353_3162
/data/data/####/1551463535014_3162
/data/data/####/1551463538043_3287
/data/data/####/TDCloudSettingsConfigF3F11760F19541C6A71540E5245C07DD.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/com.caomei.huanlecai_preferences.xml
/data/data/####/e964f9d23c43
/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/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/tdata_AXX896
/data/data/####/tdata_AXX896.jar
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_Fus136
/data/data/####/tdata_Fus136.jar
/data/data/####/tdid.xml
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/com.caomei.huanlecai.bin
/data/media/####/com.caomei.huanlecai.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_AXX896
/data/media/####/tdata_BAI450
/data/media/####/tdata_Fus136
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.CaiPushService 24971 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.CaiPushService 24971 300 0

Loads the following dynamic libraries: