Adware.Gexin.2013

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) www.wdj####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) www.youji####.com:443
TCP(TLS/1.0) eco####.me####.com.####.com:443
TCP(TLS/1.0) www.wdj####.com:8094
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
c####.g####.ig####.com
c-h####.g####.com
dxp.b####.com
eco####.me####.com
h####.b####.com
l####.tbs.qq.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.wdj####.com
www.youji####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091
www.wdj####.com/img/active_dialog/dialog.png?t=####
www.wdj####.com/user.html

HTTP POST requests:

a####.exc.mob.com/errconf
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/41345b85db84ea9255d0544fcc9e9ba8cc21f9ae52a5975....0.tmp
/data/data/####/4e736cdccc09a47ea143d4f87d019d9cfbe6a8e7a6f7085....0.tmp
/data/data/####/BuglySdkInfos.xml
/data/data/####/Meiqia.xml
/data/data/####/MySp.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__local_stat_full_cache.json
/data/data/####/__send_data_1535741589035
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/core_info
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu1852044051.so
/data/data/####/meiqia.db
/data/data/####/meiqia.db-journal
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/trace_circle.data
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.artc_lock
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.timestamp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.youjin360.financialcalculator.bin
/data/media/####/com.youjin360.financialcalculator.db
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GePushService 26233 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1852044051.so
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.smartisan.version
getprop ro.vivo.os.version