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Trojan.Siggen9.55872
Added to the Dr.Web virus database:
2020-06-26
Virus description added:
2020-06-28
Technical Information
To ensure autorun and distribution
Modifies file system
Creates the following files
%APPDATA%\nxqmurllmf.vbs
%TEMP%\jna-3599307\jna5049678579008705092.dll
%PROGRAMDATA%\microsoft\windows\start menu\programs\startup\ntfsmgr.jar
%APPDATA%\lib\system-hook-3.5.jar
%APPDATA%\lib\sqlite-jdbc-3.14.2.1.jar
%APPDATA%\lib\jna-platform-5.5.0.jar
%APPDATA%\lib\jna-5.5.0.jar
%APPDATA%\plugins.jar
%TEMP%\jna-3599307\jna6431291524045169227.dll
%HOMEPATH%\lib\system-hook-3.5.jard
%HOMEPATH%\lib\jna-platform-5.5.0.jard
%HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jard
%HOMEPATH%\lib\jna-5.5.0.jard
%TEMP%\output.txt
%APPDATA%\ntfsmgr.jar
%HOMEPATH%\ntfsmgr.jar
%TEMP%\jna-3599307\jna2969628947926405567.dll
Sets the 'hidden' attribute to the following files
<Drive name for removable media>:\nxqmurllmf.vbs
Deletes the following files
%TEMP%\jna-3599307\jna6431291524045169227.dll
%TEMP%\jna-3599307\jna5049678579008705092.dll
%TEMP%\jna-3599307\jna2969628947926405567.dll
Moves the following files
from %HOMEPATH%\lib\system-hook-3.5.jard to %HOMEPATH%\lib\system-hook-3.5.jar
from %HOMEPATH%\lib\jna-5.5.0.jard to %HOMEPATH%\lib\jna-5.5.0.jar
from %HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jard to %HOMEPATH%\lib\sqlite-jdbc-3.14.2.1.jar
from %HOMEPATH%\lib\jna-platform-5.5.0.jard to %HOMEPATH%\lib\jna-platform-5.5.0.jar
Network activity
TCP
HTTP GET requests
http://jb###st.live/strigoi/server/?hw###############
http://jb###st.live/cgi-sys/suspendedpage.cgi?hw###############
http://pa###bin.com/raw/JuN7DATb
http://ip##pi.com/json/
HTTP POST requests
http://pl######v2.duckdns.org:8899/is-ready via pl#####rv2.duckdns.org
're###.maven.org':443
'gi##ub.com':443
'gi#############on-release-asset-2e65be.s3.amazonaws.com':443
'vi####7.duckdns.org':9073
UDP
DNS ASK re###.maven.org
DNS ASK gi##ub.com
DNS ASK gi#############on-release-asset-2e65be.s3.amazonaws.com
DNS ASK pl#####rv2.duckdns.org
DNS ASK st###aster.pw
DNS ASK vi####7.duckdns.org
DNS ASK jb###st.live
DNS ASK pa###bin.com
DNS ASK pp####n.duckdns.org
DNS ASK ip##pi.com
Miscellaneous
Creates and executes the following
'<SYSTEM32>\wscript.exe' "%APPDATA%\NxQMUrLlmF.vbs"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('*&','m');$Abt ...' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -version 2> %TEMP%\output.txt' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('*&','A');$Abt ...' (with hidden window)
Executes the following
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('*&','m');$Abt ...
'<SYSTEM32>\wbem\wmic.exe' /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
'<SYSTEM32>\cmd.exe' /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
'<SYSTEM32>\wbem\wmic.exe' /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
'<SYSTEM32>\cmd.exe' /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
'<SYSTEM32>\wbem\wmic.exe' /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
'<SYSTEM32>\cmd.exe' /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
'%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%APPDATA%\plugins.jar" mp
'<SYSTEM32>\cmd.exe' /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
'<SYSTEM32>\schtasks.exe' /create /sc minute /mo 30 /tn Skype /tr "%APPDATA%\ntfsmgr.jar"
'<SYSTEM32>\cmd.exe' /c schtasks /create /sc minute /mo 30 /tn Skype /tr "%APPDATA%\ntfsmgr.jar"
'%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%HOMEPATH%\ntfsmgr.jar"
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 4 "%ProgramFiles%\java\jre1.8.0_45\...
'%ProgramFiles%\java\jre1.8.0_45\bin\javaw.exe' -jar "%APPDATA%\ntfsmgr.jar"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('*&','A');$Abt ...
'%ProgramFiles%\java\jre1.8.0_45\bin\javaw.exe' -version
'<SYSTEM32>\cmd.exe' /c "%ProgramFiles%\Java\jre1.8.0_45\bin\javaw.exe" -version 2> %TEMP%\output.txt
'%ProgramFiles%\java\jre1.8.0_45\bin\java.exe' -jar "%APPDATA%\ntfsmgr.jar"
'<SYSTEM32>\wbem\wmic.exe' /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
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 for Android 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.
Find out more about Dr.Web for Android
Download Dr.Web for Android
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