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Android.MobiDash.570

Added to the Dr.Web virus database: 2018-01-26

Virus description added:

Technical information

Malicious functions:
Executes code of the following detected threats:
  • Android.MobiDash.2.origin
Network activity:
Connecting to:
  • UDP(DNS) <Google DNS>
  • TCP(HTTP/1.1) p####.da####.eu:80
  • TCP(TLS/1.0) p####.da####.eu:443
DNS requests:
  • p####.da####.eu
  • sd####.da####.eu
HTTP GET requests:
  • p####.da####.eu/changelog
Modified file system:
Creates the following files:
  • /system/xbin/toybox_sdm
  • <Package Folder>/app_app_apk/sdm.dat.jar
  • <Package Folder>/cache/sqlite3_x86_pie
  • <Package Folder>/cache/toybox_x86
  • <Package Folder>/files/####/<Package>-1.apk.classes-314891694.zip
  • <Package Folder>/files/MTBsjxpRg
  • <Package Folder>/files/sqlite3_sdm
  • <Package Folder>/files/toybox_sdm
  • <Package Folder>/files/uuid-token
  • <Package Folder>/shared_prefs/<Package>_preferences.xml
  • <Package Folder>/shared_prefs/app_stats.xml
  • <Package Folder>/shared_prefs/global_preferences.xml
  • <Package Folder>/shared_prefs/multidex.version.xml
  • <Package Folder>/shared_prefs/org.piwik.sdk_312B3101842BEE48E7A...90.xml
  • <Package Folder>/shared_prefs/updater_sdmaid.xml
  • <Package Folder>/shared_prefs/updater_unlocker.xml
  • <SD-Card>/Android/####/.nomedia
Miscellaneous:
Executes next shell scripts:
  • /system/bin/toolbox --version
  • /system/bin/toolbox cat --help
  • /system/bin/toolbox chmod --help
  • /system/bin/toolbox chown --help
  • /system/bin/toolbox cp --help
  • /system/bin/toolbox du --help
  • /system/bin/toolbox echo --help
  • /system/bin/toolbox find /data -maxdepth 0 -print0
  • /system/bin/toolbox grep --help
  • /system/bin/toolbox kill --help
  • /system/bin/toolbox mkdir -p /
  • /system/bin/toolbox mount
  • /system/bin/toolbox mount -o ro,remount /system
  • /system/bin/toolbox mv --help
  • /system/bin/toolbox pidof --help
  • /system/bin/toolbox ps --help
  • /system/bin/toolbox rm --help
  • /system/bin/toolbox rmdir --help
  • /system/bin/toolbox stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /data
  • /system/bin/toolbox stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N <Package Folder>/files
  • /system/bin/toolbox test --help
  • /system/bin/toolbox touch --help
  • /system/bin/toolbox xargs /system/bin/toolbox stat
  • /system/xbin/busybox
  • /system/xbin/busybox --version
  • /system/xbin/busybox cat --help
  • /system/xbin/busybox chmod --help
  • /system/xbin/busybox chown --help
  • /system/xbin/busybox cp --help
  • /system/xbin/busybox du --help
  • /system/xbin/busybox echo --help
  • /system/xbin/busybox echo abc def
  • /system/xbin/busybox find /data -maxdepth 0 -print0
  • /system/xbin/busybox find <Package Folder>/files -maxdepth 0 -print0
  • /system/xbin/busybox grep --help
  • /system/xbin/busybox kill --help
  • /system/xbin/busybox mkdir -p /
  • /system/xbin/busybox mount
  • /system/xbin/busybox mount -o ro,remount /system
  • /system/xbin/busybox mv --help
  • /system/xbin/busybox pidof --help
  • /system/xbin/busybox ps --help
  • /system/xbin/busybox rm --help
  • /system/xbin/busybox rmdir --help
  • /system/xbin/busybox stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /data
  • /system/xbin/busybox stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N <Package Folder>/files
  • /system/xbin/busybox stat <Package Folder>/files
  • /system/xbin/busybox test --help
  • /system/xbin/busybox touch --help
  • /system/xbin/busybox xargs -0 /system/xbin/busybox echo
  • /system/xbin/busybox xargs /system/xbin/busybox stat
  • /tmp_sdm/toybox_sdm --version
  • /tmp_sdm/toybox_sdm chmod --help
  • /tmp_sdm/toybox_sdm chown --help
  • /tmp_sdm/toybox_sdm cp --help
  • /tmp_sdm/toybox_sdm du --help
  • /tmp_sdm/toybox_sdm echo --help
  • /tmp_sdm/toybox_sdm echo abc def
  • /tmp_sdm/toybox_sdm find /data -maxdepth 0 -print0
  • /tmp_sdm/toybox_sdm find <Package Folder>/files -maxdepth 0 -print0
  • /tmp_sdm/toybox_sdm grep --help
  • /tmp_sdm/toybox_sdm kill --help
  • /tmp_sdm/toybox_sdm mkdir -p /
  • /tmp_sdm/toybox_sdm mount
  • /tmp_sdm/toybox_sdm mount -o ro,remount /system
  • /tmp_sdm/toybox_sdm mv --help
  • /tmp_sdm/toybox_sdm pidof --help
  • /tmp_sdm/toybox_sdm ps --help
  • /tmp_sdm/toybox_sdm rm --help
  • /tmp_sdm/toybox_sdm rmdir --help
  • /tmp_sdm/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /data
  • /tmp_sdm/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N <Package Folder>/files
  • /tmp_sdm/toybox_sdm stat <Package Folder>/files
  • /tmp_sdm/toybox_sdm test --help
  • /tmp_sdm/toybox_sdm touch --help
  • /tmp_sdm/toybox_sdm xargs -0 /tmp_sdm/toybox_sdm echo
  • /tmp_sdm/toybox_sdm xargs /tmp_sdm/toybox_sdm stat
  • <Package Folder>/files/sqlite3_sdm --version
  • <Package Folder>/files/sqlite3_sdm -version
  • <Package Folder>/files/toybox_sdm --version
  • <Package Folder>/files/toybox_sdm cat --help
  • <Package Folder>/files/toybox_sdm cat /proc/cpuinfo
  • <Package Folder>/files/toybox_sdm cat /proc/meminfo
  • <Package Folder>/files/toybox_sdm cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
  • <Package Folder>/files/toybox_sdm chmod --help
  • <Package Folder>/files/toybox_sdm chown --help
  • <Package Folder>/files/toybox_sdm cp --help
  • <Package Folder>/files/toybox_sdm du --help
  • <Package Folder>/files/toybox_sdm echo --help
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0 -maxdepth 4 -mindepth 1 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Alarms -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Android/data -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Android/data -maxdepth 1 -mindepth 1 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Android/obb -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Download -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Movies -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Music -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Notifications -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Pictures -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find -L /storage/emulated/0/Ringtones -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find /data -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm find <Package Folder>/files -maxdepth 0 -print0
  • <Package Folder>/files/toybox_sdm grep --help
  • <Package Folder>/files/toybox_sdm kill --help
  • <Package Folder>/files/toybox_sdm mkdir -p /
  • <Package Folder>/files/toybox_sdm mount
  • <Package Folder>/files/toybox_sdm mount -o ro,remount /system
  • <Package Folder>/files/toybox_sdm mv --help
  • <Package Folder>/files/toybox_sdm pidof --help
  • <Package Folder>/files/toybox_sdm ps --help
  • <Package Folder>/files/toybox_sdm rm --help
  • <Package Folder>/files/toybox_sdm rmdir --help
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /data
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Alarms
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Android/data
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Android/data/.nomedia /storage/emulated/0/Android/data/com.android.browser /storage/emulated/0/Android/data/<Package>
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Android/obb
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Download
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Download /storage/emulated/0/Movies /storage/emulated/0/Podcasts /storage/emulated/0/Notifications /storage/emulated/0/Alarms /storage/emulated/0/Android /storage/emulated/0/Android/data /storage/emulated/0/Android/data/.nomedia /storage/emulated/0/Android/data/com.android.browser /storage/emulated/0/Android/data/com.android.browser/files /storage/emulated/0/Android/data/<Package> /storage/emulated/0/Android/data/<Package>/files /storage/emulated/0/Android/obb /storage/emulated/0/Music /storage/emulated/0/Ringtones /storage/emulated/0/DCIM /storage/emulated/0/DCIM/MyAlbum /storage/emulated/0/DCIM/MyAlbum/water-2208931_1280.jpg /storage/emulated/0/DCIM/MyAlbum/tit-2926522_1920.jpg /storage/emulated/0/DCIM/MyAlbum/wolf-in-sheeps-clothing-2577813_1920.jpg /storage/emulated/0/DCIM/MyAlbum/dog-2437110_1280.jpg /storage/emulated/0/DCIM/MyAlbum/chicks-2426644_1920.jpg /storage/emulated/0/DCIM/MyAlbum/fly-2523917_1280.jpg /storage/emulated/0/DCIM/MyAlbum/blueberries-2270379_1280.jpg /storage/emulated/0/DCIM/MyAlbum/lighthouse-2225445_1280.jpg /storage/emulated/0/DCIM/MyAlbum/tree-2925324_1920.jpg /storage/emulated/0/DCIM/MyAlbum/portrait-2870659_1920.jpg /storage/emulated/0/DCIM/MyAlbum/steam-locomotive-2926528_1920.jpg /storage/emulated/0/DCIM/MyAlbum/fuchs-2424369_1920.jpg /storage/emulated/0/DCIM/MyAlbum/cats-eyes-2671903_1920.jpg /storage/emulated/0/DCIM/MyAlbum/alpaca-2214650_1920.jpg /storage/emulated/0/DCIM/MyAlbum/macro-2300109_1920.jpg /storage/emulated/0/DCIM/MyAlbum/vegetables-2924245_1280.jpg /storage/emulated/0/DCIM/MyAlbum/bear-1331989_1280.jpg /storage/emulated/0/DCIM/MyAlbum/bitcoin-2007769_1280.jpg /storage/emulated/0/DCIM/MyAlbum/monkey-2790452_1920.jpg /storage/emulated/0/DCIM/MyAlbum/salami-2645403_640.jpg /storage/emulated/0/DCIM/MyAlbum/cow-2788835_1920.jpg /storage/emulated/0/DCIM/.thumbnails /storage/emulated/0/DCIM/.thumbnails/1510831037627.jpg /storage/emulated/0/DCIM/.thumbnails/1510831038068.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037689.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037592.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037775.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037926.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037536.jpg /storage/emulated/0/DCIM/.thumbnails/1510831037857.jpg /storage/emulated/0/DCIM/.thumbnails/.thumbdata3--1967290299 /storage/emulated/0/DCIM/100ANDRO /storage/emulated/0/DCIM/Pics /storage/emulated/0/DCIM/Pics/pic02.jpg /storage/emulated/0/DCIM/Pics/pic05.jpg /storage/emulated/0/DCIM/Pics/pic01.jpg /storage/emulated/0/DCIM/Pics/pic03.jpg /storage/emulated/0/DCIM/Pics/pic04.jpg /storage/emulated/0/Pictures
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Movies
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Music
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Notifications
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Pictures
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N /storage/emulated/0/Ringtones
  • <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N <Package Folder>/files
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Alarms
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Android/data
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Android/obb
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/DCIM
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Download
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Movies
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Music
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Notifications
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Pictures
  • <Package Folder>/files/toybox_sdm test ! -e /storage/emulated/0/Ringtones
  • <Package Folder>/files/toybox_sdm test --help
  • <Package Folder>/files/toybox_sdm touch --help
  • <Package Folder>/files/toybox_sdm xargs -0 -r -s 65536 <Package Folder>/files/toybox_sdm stat -c %a:%F:%d:%i:%u:%g:%s:%B:%b:%Y:%N
  • <Package Folder>/files/toybox_sdm xargs -0 <Package Folder>/files/toybox_sdm echo
  • <Package Folder>/files/toybox_sdm xargs <Package Folder>/files/toybox_sdm stat
  • chmod 755 /su/bin/toybox_sdm
  • chmod 755 /system/xbin/toybox_sdm
  • chmod 755 /tmp_sdm
  • chmod 755 /tmp_sdm/toybox_sdm
  • dd if=<Package Folder>/cache/toybox_x86 of=/su/bin/toybox_sdm
  • dd if=<Package Folder>/cache/toybox_x86 of=/system/xbin/toybox_sdm
  • dd if=<Package Folder>/cache/toybox_x86 of=/tmp_sdm/toybox_sdm
  • getenforce
  • id
  • mkdir /system/xbin
  • mkdir /tmp_sdm
  • mount -o ro,remount / /
  • mount -o ro,remount /su /su
  • mount -o ro,remount /system /system
  • mount -o rw,remount / /
  • mount -o rw,remount /su /su
  • mount -o rw,remount /system /system
  • rm /system/xbin/toybox_sdm
  • rm /tmp_sdm/toybox_sdm
  • rmdir /tmp_sdm
  • sh
  • su
  • su --version
Loads the following dynamic libraries:
  • MTBsjxpRg
Uses elevated priveleges.
Gains access to information about installed applications.
Adds tasks to the system scheduler.
Displays its own windows over windows of other applications.

Curing recommendations

Android

  1. If the mobile device is operating normally, download and install Dr.Web for Android Light. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web для Android Light onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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