Adware.Gexin.6947

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) 1####.171.130.173:80
TCP(HTTP/1.1) 2####.130.43.40:80
TCP(HTTP/1.1) i####.pcon####.fas####.com:80
TCP(HTTP/1.1) sdk.o####.amp.####.com:80
TCP(HTTP/1.1) 1####.171.130.147:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) 1####.171.194.212:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) mrobot-####.pcon####.com.####.com:80
TCP(HTTP/1.1) 1####.185.177.2:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 1####.185.177.223:80
TCP(HTTP/1.1) go####.yo####.com:80
TCP(HTTP/1.1) app.adi####.com:80
TCP(TLS/1.0) m.im####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.0) map.m####.t####.####.com:443
TCP(TLS/1.0) mr####.pc####.com.cn:443
TCP(TLS/1.0) ivy.pcon####.com.cn:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) mrobot-####.pcon####.com.####.com:443
TCP(TLS/1.0) c####.im####.com:443
TCP(TLS/1.0) s####.map.qq.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
api.w####.com
app.adi####.com
c####.g####.ig####.com
c####.g####.ig####.com
c####.im####.com
c-h####.g####.com
go####.yo####.com
im####.pcon####.com.cn
ivy.pcon####.com.cn
loc.map.b####.com
m.im####.com
map.m####.com
mr####.pc####.com.cn
mr####.pcon####.com.cn
mrobot-####.pcon####.com.cn
s####.map.qq.com
sdk.c####.ig####.com
sdk.o####.amp.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.cna####.com
w####.pcon####.com.cn

HTTP GET requests:

app.adi####.com/api.m?adid=####&adtype=####&width=####&height=####&pkgna...
go####.yo####.com/gorgon/request.s?id=####&ct=####&udid=####&imei=####&d...
i####.pcon####.fas####.com/ivy/image/201812/4/15439172393896300.jpg
sdk.o####.amp.####.com/api.htm?format=####&t=####
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_SLj922
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
mrobot-####.pcon####.com.####.com/netinfo.jsp?nohttps=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/._1.js
/data/data/####/._2.js
/data/data/####/._3.js
/data/data/####/._4.js
/data/data/####/._style.css
/data/data/####/1.js
/data/data/####/2.js
/data/data/####/3.js
/data/data/####/4.js
/data/data/####/AdInterval.xml
/data/data/####/HttpLogDB.db-journal
/data/data/####/MultiDex.lock
/data/data/####/PUSH_STATUS.xml
/data/data/####/PcgroupBrowser.db-journal
/data/data/####/ad_lock_name.xml
/data/data/####/adinal_ad.xml
/data/data/####/ads.xml
/data/data/####/app.config
/data/data/####/app_first_in.xml
/data/data/####/app_last_version.xml
/data/data/####/app_launcher_default.jpg
/data/data/####/app_setting.xml
/data/data/####/authStatus_cn.com.pconline.android.browser;remote.xml
/data/data/####/bbs.config
/data/data/####/bugly_db_legu-journal
/data/data/####/cdn.db-journal
/data/data/####/channel.config
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/firll.dat
/data/data/####/framwork.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/global_setting.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/httpdns.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jesgoo_ad.xml
/data/data/####/journal.tmp
/data/data/####/js.xml
/data/data/####/js.zip
/data/data/####/libcuid.so
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/location.xml
/data/data/####/mix.dex
/data/data/####/mofan.config.xml
/data/data/####/mofang_data_analysis.db-journal
/data/data/####/mofang_data_analysis.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/offline_4910.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/####/security_info
/data/data/####/style.css
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_SLj922
/data/data/####/tdata_SLj922.jar
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/weibo_sdk_aid1
/data/data/####/youdao_ad.xml
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/006b70ccc1d8064600ad6b186f7445d7.0.tmp
/data/media/####/006b70ccc1d8064600ad6b186f7445d7.1.tmp
/data/media/####/0a4e51012e8d05aa881bd1102403d0f3.0.tmp
/data/media/####/0a4e51012e8d05aa881bd1102403d0f3.1.tmp
/data/media/####/1df72c8d8ff834ac6cfb9639566d2a6f.0.tmp
/data/media/####/1df72c8d8ff834ac6cfb9639566d2a6f.1.tmp
/data/media/####/42d97293196c40950f13b61d4f1f0274.0.tmp
/data/media/####/42d97293196c40950f13b61d4f1f0274.1.tmp
/data/media/####/4480b1d2b519e0b41c3e2302ea1ab9e6.0.tmp
/data/media/####/4480b1d2b519e0b41c3e2302ea1ab9e6.1.tmp
/data/media/####/5b62f490032ed35f485759a76090f3e9.0.tmp
/data/media/####/5b62f490032ed35f485759a76090f3e9.1.tmp
/data/media/####/66a6fddabfacdd91173dfe938542f701.0.tmp
/data/media/####/66a6fddabfacdd91173dfe938542f701.1.tmp
/data/media/####/66a6fddabfacdd91173dfe938542f701.1.tmp (deleted)
/data/media/####/67aeff638381e2f44cf0fd1b6fd5f780.0.tmp
/data/media/####/67aeff638381e2f44cf0fd1b6fd5f780.1.tmp
/data/media/####/805bcc988a9b824d63a4b2ec0d1c6fec.0.tmp
/data/media/####/805bcc988a9b824d63a4b2ec0d1c6fec.1.tmp
/data/media/####/805bcc988a9b824d63a4b2ec0d1c6fec.1.tmp (deleted)
/data/media/####/83edf4d961de4b385bdbe738bb371033.0.tmp
/data/media/####/83edf4d961de4b385bdbe738bb371033.1.tmp
/data/media/####/88d9a9b7a0c7c4b862b0a49fee57083b.0.tmp
/data/media/####/88d9a9b7a0c7c4b862b0a49fee57083b.1.tmp
/data/media/####/app.db
/data/media/####/b48c628c723b24b2b54277f8d6a5a3fd.0.tmp
/data/media/####/b48c628c723b24b2b54277f8d6a5a3fd.1.tmp
/data/media/####/bbc56a6871347cfae9fbaa4c9a14b0e0.0.tmp
/data/media/####/bbc56a6871347cfae9fbaa4c9a14b0e0.1.tmp
/data/media/####/cn.com.pconline.android.browser.bin
/data/media/####/cn.com.pconline.android.browser.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dcf25fe703d79baa74bca0922f109f75.0.tmp
/data/media/####/dcf25fe703d79baa74bca0922f109f75.1.tmp
/data/media/####/e0e0f0bcb65c856d8fe44466780fac49.0.tmp
/data/media/####/e0e0f0bcb65c856d8fe44466780fac49.1.tmp
/data/media/####/e0e0f0bcb65c856d8fe44466780fac49.1.tmp (deleted)
/data/media/####/e95f5c2e277a031520a44418cce8051f.0.tmp
/data/media/####/e95f5c2e277a031520a44418cce8051f.1.tmp
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_BAI450
/data/media/####/tdata_SLj922
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following 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>/cn.com.pconline.android.common.service.PConlineGTPushService 26077 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.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>/cn.com.pconline.android.common.service.PConlineGTPushService 26077 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libreactnativejni
libshella-2.9.0.2
libufix
locSDK7b
nfix
ufix
weibosdkcore

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about APN settings.

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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