Adware.Gexin.4227

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) analy####.ray####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) net.ray####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ps1.qooy####.site:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) fk-k8s-####.ray####.com:80
TCP(HTTP/1.1) twga####.trustl####.cn:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) d1qtxr7####.cloudf####.net:443
TCP(TLS/1.0) a####.i####.pw:443
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) e.crashly####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) ssl.google-####.com:443
TCP(TLS/1.0) a.d####.icu:443
TCP(TLS/1.0) s####.945####.com.####.com:443
TCP(TLS/1.0) sett####.crashly####.com:443
TCP(TLS/1.0) avnight####.f####.myqc####.com:443
TCP(TLS/1.0) adser####.go####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.i####.pw
a.d####.icu
adser####.go####.com
analy####.ray####.com
and####.b####.qq.com
avnight####.f####.myqc####.com
c####.g####.ig####.com
c-h####.g####.com
d1qtxr7####.cloudf####.net
e.crashly####.com
net.ray####.com
ps1.qooy####.site
s####.945####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
set####.ray####.com
sett####.crashly####.com
ssl.google-####.com
ssl.gst####.com
twga####.trustl####.cn
www.go####.com
www.gst####.com

HTTP GET requests:

fk-k8s-####.ray####.com/setting?app_id=####&sign=####&channel=####&platf...
fk-k8s-####.ray####.com/setting?unit_ids=####&app_id=####&sign=####&chan...
net.ray####.com/openapi/ad/v3?app_id=####&unit_id=####&sign=####&categor...
ps1.qooy####.site/black.jpg
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
twga####.trustl####.cn/short_host.json

HTTP POST requests:

analy####.ray####.com/
and####.b####.qq.com/rqd/async
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/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1BeginSession.cls_temp
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1BeginSession.json
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionApp.cls_temp
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionApp.json
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionDevice.cls_temp
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionDevice.json
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionOS.cls_temp
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionOS.json
/data/data/####/5BDD9D9C02C3-0001-08DB-2EB2D62482E1SessionUser.cls_temp
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1BeginSession.cls_temp
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1BeginSession.json
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionApp.cls_temp
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionApp.json
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionDevice.cls_temp
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionDevice.json
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionOS.cls_temp
/data/data/####/5BDD9D9D0185-0001-090F-2EB2D62482E1SessionOS.json
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1BeginSession.cls_temp
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1BeginSession.json
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionApp.cls_temp
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionApp.json
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionDevice.cls_temp
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionDevice.json
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionOS.cls_temp
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionOS.json
/data/data/####/5BDD9DA3032E-0001-0976-2EB2D62482E1SessionUser.cls_temp
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1BeginSession.cls_temp
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1BeginSession.json
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionApp.cls_temp
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionApp.json
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionDevice.cls_temp
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionDevice.json
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionOS.cls_temp
/data/data/####/5BDD9DA9031B-0001-09C8-2EB2D62482E1SessionOS.json
/data/data/####/TwitterAdvertisingInfoPreferences.xml
/data/data/####/announce.xml
/data/data/####/bugly_db_legu-journal
/data/data/####/com.crashlytics.prefs.xml
/data/data/####/com.crashlytics.sdk.android.crashlytics-core;co...re.xml
/data/data/####/com.crashlytics.sdk.android;answers;settings.xml
/data/data/####/com.crashlytics.settings.json
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/gaClientId
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/google_analytics_v4.db-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/initialization_marker
/data/data/####/io.fabric.sdk.android;fabric;io.fabric.sdk.android.l.xml
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/mobvista.msdk.db-journal
/data/data/####/mobvista.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/####/rqd_record.eup
/data/data/####/run.pid
/data/data/####/sa_27af56c7-f52a-4bf3-b82c-bb96669163a7_1541250503241.tap
/data/data/####/sa_5672a44b-91a9-44d4-a315-ba42fefd81c1_1541250461396.tap
/data/data/####/sa_84705654-9cbc-4357-863a-1fdb84c41411_1541250468205.tap
/data/data/####/sa_c488a9d7-4491-4872-8819-34efa904cde0_1541250462667.tap
/data/data/####/security_info
/data/data/####/session_analytics.tap
/data/data/####/session_analytics.tap (deleted)
/data/data/####/session_analytics.tap.tmp
/data/data/####/share_date.xml
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/tomb.zip
/data/data/####/tomb_1541250461442.txt
/data/data/####/tomb_1541250467858.txt
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/bg8
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log
/data/media/####/tv.i999.bin
/data/media/####/tv.i999.db

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>/<Package>.Service.PushService 23556 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
logcat -d -v threadtime
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.Service.PushService 23556 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.8
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical information

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