Adware.Gexin.2246

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) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
aexcep####.b####.qq.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_SzD730
t####.c####.q####.####.com/tdata_ZCi456
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
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/####/H5DF641D5.xml
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/fc5dd5f95ba9
/data/data/####/gdaemon_20161017
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libnfix.so
/data/data/####/libshella-2.10.1.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/mobclick_agent_cached_com.ofengx.youzhistudio570
/data/data/####/native_record_lock
/data/data/####/pdr.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/####/tdata_SzD730
/data/data/####/tdata_SzD730.jar
/data/data/####/tdata_ZCi456
/data/data/####/tdata_ZCi456.jar
/data/data/####/umeng_general_config.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/Ear.png
/data/media/####/Face.png
/data/media/####/FontAwesome.otf
/data/media/####/Foot_back.png
/data/media/####/Front.png
/data/media/####/HELP-US-OUT.txt
/data/media/####/Hand_back.png
/data/media/####/Inform.png
/data/media/####/MaterialIcons-Regular.eot
/data/media/####/MaterialIcons-Regular.ijmap
/data/media/####/MaterialIcons-Regular.ttf
/data/media/####/MaterialIcons-Regular.woff
/data/media/####/MaterialIcons-Regular.woff2
/data/media/####/PO.html
/data/media/####/_animated.scss
/data/media/####/_bordered-pulled.scss
/data/media/####/_core.scss
/data/media/####/_fixed-width.scss
/data/media/####/_icons.scss
/data/media/####/_larger.scss
/data/media/####/_list.scss
/data/media/####/_mixins.scss
/data/media/####/_path.scss
/data/media/####/_rotated-flipped.scss
/data/media/####/_screen-reader.scss
/data/media/####/_stacked.scss
/data/media/####/_variables.scss
/data/media/####/addperson.html
/data/media/####/addscale.html
/data/media/####/addtreatment.html
/data/media/####/animate.css
/data/media/####/animated.less
/data/media/####/app.db
/data/media/####/avalon.js
/data/media/####/basicsituation.html
/data/media/####/bg-1.jpg
/data/media/####/bordered-pulled.less
/data/media/####/camera.html
/data/media/####/check.png
/data/media/####/close.png
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.ofengx.youzhistudio.db
/data/media/####/core.less
/data/media/####/diseaseCourse.html
/data/media/####/editDiseaseCourse.html
/data/media/####/editPerson.html
/data/media/####/editUser.html
/data/media/####/editscale.html
/data/media/####/edittreatment.html
/data/media/####/file__0.localstorage-journal
/data/media/####/fixed-width.less
/data/media/####/font-awesome.css
/data/media/####/font-awesome.css.map
/data/media/####/font-awesome.less
/data/media/####/font-awesome.min.css
/data/media/####/font-awesome.scss
/data/media/####/fontawesome-webfont.eot
/data/media/####/fontawesome-webfont.svg
/data/media/####/fontawesome-webfont.ttf
/data/media/####/fontawesome-webfont.woff
/data/media/####/fontawesome-webfont.woff2
/data/media/####/fonts.googleapis.material.icon.css
/data/media/####/framework7.ios.colors.css
/data/media/####/framework7.ios.colors.min.css
/data/media/####/framework7.ios.css
/data/media/####/framework7.ios.min.css
/data/media/####/framework7.ios.rtl.css
/data/media/####/framework7.ios.rtl.min.css
/data/media/####/framework7.js
/data/media/####/framework7.material.colors.css
/data/media/####/framework7.material.colors.min.css
/data/media/####/framework7.material.css
/data/media/####/framework7.material.min.css
/data/media/####/framework7.material.rtl.css
/data/media/####/framework7.material.rtl.min.css
/data/media/####/framework7.min.js
/data/media/####/framework7.min.js.map
/data/media/####/fxImage.js
/data/media/####/fxLocalData.js
/data/media/####/fxLogin.js
/data/media/####/fxPush.js
/data/media/####/fxRequest.js
/data/media/####/fxTools.js
/data/media/####/googleapis.css
/data/media/####/i-form-calendar-ios.svg
/data/media/####/i-form-calendar-material.svg
/data/media/####/i-form-comment-ios.svg
/data/media/####/i-form-comment-material.svg
/data/media/####/i-form-email-ios.svg
/data/media/####/i-form-email-material.svg
/data/media/####/i-form-gender-ios.svg
/data/media/####/i-form-gender-material.svg
/data/media/####/i-form-name-ios.svg
/data/media/####/i-form-name-material.svg
/data/media/####/i-form-password-ios.svg
/data/media/####/i-form-password-material.svg
/data/media/####/i-form-settings-ios.svg
/data/media/####/i-form-settings-material.svg
/data/media/####/i-form-tel-ios.svg
/data/media/####/i-form-tel-material.svg
/data/media/####/i-form-toggle-ios.svg
/data/media/####/i-form-toggle-material.svg
/data/media/####/i-form-url-ios.svg
/data/media/####/i-form-url-material.svg
/data/media/####/ic_account_balance_black_24px.svg
/data/media/####/ic_account_circle_black_24px.svg
/data/media/####/ic_add_black_24px.svg
/data/media/####/ic_add_black_24px_blue.svg
/data/media/####/ic_add_black_24px_gray.svg
/data/media/####/ic_add_circle_outline_black_24px.svg
/data/media/####/ic_arrow_drop_down_black_24px-white.svg
/data/media/####/ic_arrow_drop_down_black_24px.svg
/data/media/####/ic_assignment_black_24px.svg
/data/media/####/ic_assignment_black_24px_active.svg
/data/media/####/ic_camera_alt_black_24px-blue.svg
/data/media/####/ic_camera_alt_black_24px.svg
/data/media/####/ic_chat_black_24px.svg
/data/media/####/ic_clear_black_24px.svg
/data/media/####/ic_group_black_24px.svg
/data/media/####/ic_person_add_black_24px.svg
/data/media/####/ic_person_black_24px.svg
/data/media/####/ic_person_black_24px_active.svg
/data/media/####/ic_radio_button_unchecked_black_24px-red.svg
/data/media/####/ic_radio_button_unchecked_black_24px.svg
/data/media/####/ic_remove_circle_outline_black_24px.svg
/data/media/####/ic_schedule_black_24px.svg
/data/media/####/ic_schedule_black_24px_active.svg
/data/media/####/ic_settings_black_24px.svg
/data/media/####/ic_wallpaper_black_24px.svg
/data/media/####/ic_wallpaper_black_24px_active.svg
/data/media/####/icon.css
/data/media/####/icon.ico
/data/media/####/icons.less
/data/media/####/index.html
/data/media/####/index.png
/data/media/####/larger.less
/data/media/####/list.less
/data/media/####/login.html
/data/media/####/mainPage.html
/data/media/####/manifest.json
/data/media/####/material-icons.css
/data/media/####/medcinelist.html
/data/media/####/medicalhistory.html
/data/media/####/messages-lists.html
/data/media/####/messages.html
/data/media/####/messagesSetting.html
/data/media/####/mine.png
/data/media/####/mixins.less
/data/media/####/morbidity.html
/data/media/####/mui.css
/data/media/####/mui.dtpicker.css
/data/media/####/mui.imageviewer.css
/data/media/####/mui.js
/data/media/####/mui.listpicker.css
/data/media/####/mui.min.css
/data/media/####/mui.min.js
/data/media/####/mui.poppicker.css
/data/media/####/my-app.css
/data/media/####/path.less
/data/media/####/photograph.html
/data/media/####/preview.html
/data/media/####/releases.html
/data/media/####/rotated-flipped.less
/data/media/####/scalelist.html
/data/media/####/screen-reader.less
/data/media/####/search.html
/data/media/####/search.png
/data/media/####/seesymptom.html
/data/media/####/seetreatment.html
/data/media/####/setting.html
/data/media/####/setting.png
/data/media/####/showUserInfo.html
/data/media/####/showscale.html
/data/media/####/sockjs-0.3.4.js
/data/media/####/sockjs-0.3.4.min.js
/data/media/####/sockjs.js
/data/media/####/stacked.less
/data/media/####/stomp.js
/data/media/####/stomp.min.js
/data/media/####/success.png
/data/media/####/symptom.html
/data/media/####/tdata_SzD730
/data/media/####/tdata_ZCi456
/data/media/####/test.log
/data/media/####/treatmentHistory.html
/data/media/####/treatmentList.html
/data/media/####/treatmentPrograms.html
/data/media/####/updatetreatment.html
/data/media/####/userInfo.html
/data/media/####/userInfoList.html
/data/media/####/userInfoSimple.html
/data/media/####/userone.jpg
/data/media/####/usertwo.png
/data/media/####/variables.less
/data/media/####/warning.png
/data/media/####/yz-app.css
/data/media/####/yz-app.js
/data/media/####/yz-app.min.js
/data/media/####/yz-config.js
/data/media/####/yz-config.min.js
/data/media/####/yz-core.js
/data/media/####/yz-core.min.js
/data/media/####/yz-interface.js
/data/media/####/yz-msg.js
/data/media/####/yz-msg.min.js
/data/media/####/yz-page-one.js
/data/media/####/yz-page-one.min.js
/data/media/####/yz-page.js
/data/media/####/yz-page.min.js
/data/media/####/yz-view.js
/data/media/####/yz-view.min.js
/data/media/####/yzApp.css

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 25402 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.10.1.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop ro.aa.romver
getprop ro.board.platform
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
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25402 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.10.1
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.

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