Adware.Gexin.698

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) a####.u####.com:80
TCP(HTTP/1.1) lo####.w####.com:9442
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) sh.wagbr####.alibaba####.com:80
TCP(HTTP/1.1) a####.w####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cm####.w####.com:80
TCP(HTTP/1.1) log.w####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) cms####.w####.com.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(TLS/1.0) sgv-ne####.w####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a####.w####.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
cm####.w####.com
cms####.w####.com
g####.w####.com
l####.tbs.qq.com
lo####.w####.com
log.u####.com
log.w####.com
res####.a####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sgv-ne####.w####.com

HTTP GET requests:

cms####.w####.com.####.com/uploads/apk/patch/patch_signed_7zip_230_1.0(2...
cms####.w####.com.####.com/uploads/png/20171229/20171229030212Ly.png
cms####.w####.com.####.com/uploads/png/20171229/201712290302512S.png
cms####.w####.com.####.com/uploads/png/20171229/20171229030307Z2.png
cms####.w####.com.####.com/uploads/png/20171229/20171229030323k4.png
cms####.w####.com.####.com/uploads/png/20171229/201712290303498A.png
cms####.w####.com.####.com/uploads/png/20171229/20171229030423Gf.png
cms####.w####.com.####.com/uploads/png/20171229/20171229104835Bu.png
cms####.w####.com.####.com/uploads/png/20180202/20180202032217cN.png
cms####.w####.com.####.com/uploads/png/20180619/20180619040427RH.png
cms####.w####.com.####.com/uploads/png/20180619/201806190407528P.png
cms####.w####.com.####.com/uploads/png/20180619/2018061904082796.png
cms####.w####.com.####.com/uploads/png/20180619/20180619040905GQ.png
cms####.w####.com.####.com/uploads/png/20180619/20180619041019CG.png
cms####.w####.com.####.com/uploads/png/20180619/20180619041101rb.png
cms####.w####.com.####.com/uploads/png/20180619/20180619041253s9.png
sh.wagbr####.alibaba####.com/bar/get/58abdb9d5312dd603a0011a0/?ud_get=####
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_MkX219
sni.c####.q####.####.net/tdata_Seg704
sni.c####.q####.####.net/tdata_iGj879

HTTP HEAD requests:

cms####.w####.com.####.com/uploads/apk/patch/patch_signed_7zip_230_1.0(2...

HTTP POST requests:

a####.u####.com/app_logs
a####.w####.com/v1/ad
a####.w####.com/v1/config/sync
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
cm####.w####.com//v4/channel/list
cm####.w####.com/uSystem/v1/getMoByDev
cm####.w####.com/uSystem/v1/getui/userGather
cm####.w####.com/uSystem/v1/link/getUserData
cm####.w####.com/uSystem/v1/userInfo
cm####.w####.com/uSystem/v2/levelList
cm####.w####.com/uSystem/v2/sign/list
cm####.w####.com/v1/clientConfig/list
cm####.w####.com/v1/emptyAd/info
cm####.w####.com/v1/nav/list
cm####.w####.com/v1/stationAcRules
cm####.w####.com/v1/version/patch
cm####.w####.com/v1/version/upgrade
cm####.w####.com/v2/adNew/config
cm####.w####.com/v2/clientConfig/list
cm####.w####.com/v4/linkPage/config
l####.tbs.qq.com/ajax?c=####&k=####
lo####.w####.com:9442/mksdk/
log.w####.com/v1/log/getConfig
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/-1505772727-377298813
/data/data/####/-1505772727173592797
/data/data/####/-1836815292-916006247
/data/data/####/-18368152921988203838
/data/data/####/-18368152921995329118
/data/data/####/-1836815292695338795
/data/data/####/-5155327942075051895
/data/data/####/.imprint
/data/data/####/.old_file_converted
/data/data/####/0BYfQBc7cL39YSNPL4pLrvO6JUA.2034615167.tmp
/data/data/####/1004
/data/data/####/1532744960341.log
/data/data/####/1614064461-1566615052
/data/data/####/1614064461-471281025
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/2VvCY6HQ96eXgynidvrLA63ACbY.1072661094.tmp
/data/data/####/356389887-1509568475
/data/data/####/3563898871042933663
/data/data/####/3563898871869795348
/data/data/####/4936534646601.0
/data/data/####/565685775-37258744
/data/data/####/565685775431034297
/data/data/####/565685775600572857
/data/data/####/9BABqWNOJ3d2PiDHteLmaYfyjkM.-1494987182.tmp
/data/data/####/AQtb1CfCGtxYo6unSnlZsrafAe0.-704849189.tmp
/data/data/####/AVuKzZB01QJu-7OvflVSsxRshn0.-2013664191.tmp
/data/data/####/ConnPreference.xml
/data/data/####/GQTloDU-4PGa2rv-6M9ggzDLWD8.-1775620241.tmp
/data/data/####/HsI9EUFexM8u2PFHKiqDsYpwFjM.326981355.tmp
/data/data/####/MuKFMS1ZruaiKRZK5m-NMOyFn6I.790036705.tmp
/data/data/####/MultiDex.lock
/data/data/####/Wifw0PSx262yssvnZwpVCP8Uf2Q.78713113.tmp
/data/data/####/WjeivdwQPdQzo-n7x63Esc26WOQ.-288552183.tmp
/data/data/####/Xoxa7pSvAFoTrRisgzpgGwRxMnw.216409774.tmp
/data/data/####/_nohttp_cache_db.db
/data/data/####/_nohttp_cache_db.db-journal
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/changed_classes.dex.dex
/data/data/####/changed_classes.dex.jar
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/daemon
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fBspeSDsdSq0X0oYwYPXpOI75KU.-1035615855.tmp
/data/data/####/filedownloader.db-journal
/data/data/####/getui_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/hsad.db
/data/data/####/hsad.db-journal
/data/data/####/hsad.xml
/data/data/####/hsad_1532744958136_-227377148.jar
/data/data/####/hsad_download.db
/data/data/####/hsad_download.db-journal
/data/data/####/hsbb.db-journal
/data/data/####/hslog.db
/data/data/####/hslog.db-journal
/data/data/####/hslog.xml
/data/data/####/info.lock
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/patch-95a7a7fd.apk
/data/data/####/patch.info
/data/data/####/patch.retry
/data/data/####/pref.xml
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/sdk-db-journal
/data/data/####/sdk_info.xml
/data/data/####/security_info
/data/data/####/sq-zcH6Y0nYXTFGq2uLpnJAf_qM.1423419306.tmp
/data/data/####/tO1Z5JChTIMdeAg8HLh8uDDjuoM.-1959865254.tmp
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_MkX219
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/temp.apk
/data/data/####/test.dex.dex
/data/data/####/test.dex.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/data/####/wK24SuKHIkucglaGvpqMEbOzl1o.-2132370940.tmp
/data/data/####/webview.db-journal
/data/media/####/.nomedia
/data/media/####/1532744958454.db
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.nfyg.hsbb.bin
/data/media/####/com.nfyg.hsbb.db
/data/media/####/com.nfyg.hsbb_log.txt
/data/media/####/config.ini
/data/media/####/patch_signed_7zip.apk.temp
/data/media/####/style.data
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/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
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/app_bin/daemon
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
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.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime

Loads the following dynamic libraries:

Bugly
getuiext2
imagepipeline
libnfix
libshella-2.8
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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