Adware.Gexin.1741

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) a####.u####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) aserver####.m.ta####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) n####.cosm####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) 2####.58.211.110:443
TCP(TLS/1.0) ada####.ut.ta####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) sh.wagbr####.ta####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a####.exc.mob.com
a####.u####.com
ada####.ut.ta####.com
adas####.ut.ta####.com
api.s####.mob.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
dc1.network####.com
i####.cn
m.d####.mob.com
n####.cosm####.com
redi####.network####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
v####.atm.y####.com

HTTP GET requests:

aserver####.m.ta####.com/sdkconfig.xml
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sni.c####.q####.####.net/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/PlayerUIApk.apk
/data/data/####/TDCloudSettingsConfig05BA135323C38E1202B209D38C6F60F0.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UTCommon.xml
/data/data/####/ap.Lock
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.com.mma.mobile.tracking.other.xml
/data/data/####/cn.com.mma.mobile.tracking.sdkconfig.xml
/data/data/####/com.buykee.princessmakeup_preferences.xml
/data/data/####/com.networkbench.agent.impl.v2_com.buykee.princ...up.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/libjiagu26825650.so
/data/data/####/libweexjsb.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/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/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/td.lock
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/webview.db-journal
/data/data/####/youkusdk_preferences.xml
/data/media/####/.artc_lock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lesd_lock
/data/media/####/.mcli
/data/media/####/.mn_-1464060969
/data/media/####/.pkg_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.tcookieid
/data/media/####/1f29f95e624470584f94ccbf667a927d.0.tmp
/data/media/####/1f29f95e624470584f94ccbf667a927d.1.tmp
/data/media/####/4ebe92ad91192bae6ed590445ac6c910.0.tmp
/data/media/####/4ebe92ad91192bae6ed590445ac6c910.1.tmp
/data/media/####/531664df235f5cb94750afda635ae094.0.tmp
/data/media/####/531664df235f5cb94750afda635ae094.1.tmp
/data/media/####/5edb2ebb1028f4bfe4fe3973a888d709.0.tmp
/data/media/####/5edb2ebb1028f4bfe4fe3973a888d709.1.tmp
/data/media/####/6c8334705ad3592796f1a04cfb7f6838.0.tmp
/data/media/####/6c8334705ad3592796f1a04cfb7f6838.1.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/afa5dca019ec86b4467d4904196cb6f5.0.tmp
/data/media/####/afa5dca019ec86b4467d4904196cb6f5.1.tmp
/data/media/####/app.db
/data/media/####/com.buykee.princessmakeup.bin
/data/media/####/com.buykee.princessmakeup.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/f4f4a5ef8be9bc6fe58de53d892c9d8e.0
/data/media/####/f4f4a5ef8be9bc6fe58de53d892c9d8e.1
/data/media/####/fb2abbdd267fe0005967e1a8727b7991.0.tmp
/data/media/####/fb2abbdd267fe0005967e1a8727b7991.1.tmp
/data/media/####/fb7ebbb4c93d1c68aae7e74b9fa90eae.0.tmp
/data/media/####/fb7ebbb4c93d1c68aae7e74b9fa90eae.1.tmp
/data/media/####/journal.tmp
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 25570 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu26825650.so

Loads the following dynamic libraries:

conceal
getuiext2
libjiagu26825650
netcache
ut_c_api
weexjsc

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about APN settings.

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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