Adware.Gexin.763

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) m.d####.mob.com:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(HTTP/1.1) nav.cn.ron####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) tuoche####.com.cn:80
TCP(TLS/1.0) app-mea####.com:443
TCP(TLS/1.0) s####.cn.ron####.com:443
TCP 1####.92.22.234:8632
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.s####.mob.com
app-mea####.com
c####.g####.ig####.com
c-h####.g####.com
c.d####.mob.com
d####.d####.mob.com
m.d####.mob.com
nav.cn.ron####.com
s####.cn.ron####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
tuoche####.com.cn

HTTP GET requests:

m.d####.mob.com/cconf?appkey=####&plat=####&apppkg=####&appver=####&netw...
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_SzD730
sni.c####.q####.####.net/tdata_ZCi456
tuoche####.com.cn/images/avatar/20170216/20170216212758538_new.png
tuoche####.com.cn/images/avatar/20180323/20180323221354506_new.png
tuoche####.com.cn/images/avatar/20180728/20180728174651169_new.png
tuoche####.com.cn/images/avatar/20180729/20180729152311411_new.jpg
tuoche####.com.cn/images/company/20170329/20170329123411593.png
tuoche####.com.cn/images/company/20170329/20170329174827484.jpg
tuoche####.com.cn/images/company/20170428/20170428143555187.jpg
tuoche####.com.cn/images/ids/baoxian1.jpg
tuoche####.com.cn/images/ids/shengji3.1.1.png
tuoche####.com.cn/images/images/jiaoche.png

HTTP POST requests:

a####.exc.mob.com/errconf
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/data2
api.s####.mob.com/log4
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
c.d####.mob.com/cdata
d####.d####.mob.com/dinfo
nav.cn.ron####.com/navipush.json
sdk.o####.p####.####.com/api.php?format=####&t=####
tuoche####.com.cn/drive-travel/api/driving/carouselImage.json
tuoche####.com.cn/drive-travel/api/lightering/busLighteringInfo.json
tuoche####.com.cn/drive-travel/api/lightering/getlighteringDemand.json
tuoche####.com.cn/drive-travel/api/lightering/lighteringList.json
tuoche####.com.cn/drive-travel/api/system/getCitysList.json
tuoche####.com.cn/drive-travel/api/system/version.json
tuoche####.com.cn/drive-travel/api/userLogin/getToken.json

Modified file system:

Creates the following files:

/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/1666550452440.0
/data/data/####/8166557059557.0
/data/data/####/COUNTLY_STORE.xml
/data/data/####/RongPush.xml
/data/data/####/Statistics.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/city.text
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/consignmentName.text
/data/data/####/gdaemon_20161017
/data/data/####/google_app_measurement.db-journal
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/mobclick_agent_cached_cn.com.tuochebang.jiuyuan14
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/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/####/security_info
/data/data/####/share_sdk_1.xml
/data/data/####/sharesdk.db-journal
/data/data/####/sp_data.xml
/data/data/####/tdata_SzD730
/data/data/####/tdata_SzD730.jar
/data/data/####/tdata_ZCi456
/data/data/####/tdata_ZCi456.jar
/data/data/####/umeng_general_config.xml
/data/media/####/.al
/data/media/####/.ccLock
/data/media/####/.ccc
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.dic_lock
/data/media/####/.dk
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nomedia
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.usLock
/data/media/####/1xomthi2ifxc9stxbs9yo48nr0.tmp
/data/media/####/2l89nivuczok55ytjy6v7lfh70.tmp
/data/media/####/33hs86jdr90z9fi9svxwj6gt50.tmp
/data/media/####/36zp7z66lyy7bbe7i4olxk0tr0.tmp
/data/media/####/3smtvr9c4p5lpmuahmp10s2n60.tmp
/data/media/####/4g39kf3o4s0tdldxpzk72f1fe0.tmp
/data/media/####/6e7wosp0iosapilkuxwo88y6a0.tmp
/data/media/####/7hx87lexxsi8g05pfdvx3j7xu0.tmp
/data/media/####/app.db
/data/media/####/cn.com.tuochebang.jiuyuan.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/fsdo8lar4pjfydjrckju0jl90.tmp
/data/media/####/journal.tmp
/data/media/####/pxpt1ft7a60el90a2bcbn8f90.tmp
/data/media/####/tdata_SzD730
/data/media/####/tdata_ZCi456
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25495 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.8.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
grep -E -v root|shell|system
logcat -d -v threadtime
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25495 300 0
top -d 0 -n 1

Loads the following dynamic libraries:

Bugly
RongIMLib
getuiext2
libnfix
libshella-2.8
libufix
neh
nfix
ufix

Uses the following algorithms to encrypt data:

AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-GCM-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 installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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