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Exploit.Siggen.25189

Added to the Dr.Web virus database: 2019-07-18

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • <SYSTEM32>\tasks\kms_vl_all
Malicious functions
Executes the following
  • '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="vlmcsd" dir=in action=allow profile=any program="%PROGRAMDATA%\KMS-VL-ALL-7.2RC2\32-bit\vlmcsd.exe"
  • '<SYSTEM32>\taskkill.exe' /t /f /IM vlmcsd.exe
Modifies file system
Creates the following files
  • %TEMP%\autb25f.tmp
  • %WINDIR%\installer\{8301719b-0934-4697-b83e-762118bc926a}\mainicon
  • %WINDIR%\installer\ff0c4.msi
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\packed\win32\svctrigger.xml
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\packed\x64\sppextcomobjhook.dll
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\packed\install.cmd
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\kms-vl-all.cmd
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\32-bit\secopatcher.dll
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\32-bit\vlmcsd.exe
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\64-bit\secopatcher.dll
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\packed\win32\key.vbs
  • %PROGRAMDATA%\kms-vl-all-7.2rc2\packed\win32\sppextcomobjhook.dll
  • C:\config.msi\ff0c3.rbs
  • %WINDIR%\installer\msif3ce.tmp
  • %WINDIR%\installer\msif302.tmp
  • %WINDIR%\installer\ff0c2.ipi
  • %WINDIR%\installer\ff0bf.msi
  • %WINDIR%\performance\winsat\datastore\installfiles\install\install.cmd
  • %TEMP%\autc7be.tmp
  • %WINDIR%\performance\winsat\datastore\installfiles\install\setup86.msi
  • %TEMP%\autc76f.tmp
  • %WINDIR%\performance\winsat\datastore\installfiles\install\setup64.msi
  • %TEMP%\autc73f.tmp
  • %WINDIR%\performance\winsat\datastore\installfiles\install\denspike.gif
  • %WINDIR%\installer\msif528.tmp
  • nul
Deletes the following files
  • %TEMP%\autb25f.tmp
  • %TEMP%\autc73f.tmp
  • %TEMP%\autc76f.tmp
  • %TEMP%\autc7be.tmp
  • %WINDIR%\installer\msif302.tmp
  • %WINDIR%\installer\msif3ce.tmp
  • C:\config.msi\ff0c3.rbs
  • %WINDIR%\installer\msif528.tmp
  • %WINDIR%\installer\ff0bf.msi
  • %WINDIR%\installer\ff0c2.ipi
  • %WINDIR%\performance\winsat\datastore\installfiles\install\denspike.gif
  • %WINDIR%\performance\winsat\datastore\installfiles\install\install.cmd
  • %WINDIR%\performance\winsat\datastore\installfiles\install\setup64.msi
  • %WINDIR%\performance\winsat\datastore\installfiles\install\setup86.msi
Network activity
Connects to
  • '12#.0.0.2':1686
Miscellaneous
Searches for the following windows
  • ClassName: 'BUTTON' WindowName: ''
  • ClassName: '' WindowName: ''
Creates and executes the following
  • '%PROGRAMDATA%\kms-vl-all-7.2rc2\32-bit\vlmcsd.exe' -P 1686 -0 03612-00096-199-303490-03-1033-14393.0000-1082018 -3 03612-00206-234-394838-03-1033-14393.0000-1082018 -6 03612-00206-437-938923-03-1033-14393.0000-1082018 -w 03612-00206-471-452343-...
  • '<SYSTEM32>\cmd.exe' /C "%PROGRAMDATA%\KMS-VL-ALL-7.2RC2\KMS-VL-ALL.cmd"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\Performance\WinSAT\DataStore\installfiles\install\install.cmd' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\Performance\WinSAT\DataStore\installfiles\install\install.cmd
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionService get Version /value"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%') get Name
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\0ff1ce15-a989-479d-af46-f275c6370663" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\59a52881-a989-479d-af46-f275c6370663" /f
  • '<SYSTEM32>\reg.exe' delete "HKEY_USERS\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\0ff1ce15-a989-479d-af46-f275c6370663" /f
  • '<SYSTEM32>\reg.exe' delete "HKEY_USERS\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\55c92734-d682-4d71-983e-d6ec3f16059f" /f
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call DisableKeyManagementServiceHostCaching 1
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call DisableKeyManagementServiceDnsPublishing 1
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call ClearKeyManagementServicePort
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call ClearKeyManagementServiceMachine
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (LicenseStatus='1' and GracePeriodRemaining='0') get Name
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingProduct where ID='ae2ee509-1b34-41c0-acb7-6d4650168915' get Name /value"
  • '<SYSTEM32>\findstr.exe' /i "ae2ee509-1b34-41c0-acb7-6d4650168915"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (PartialProductKey is not NULL) get ID
  • '<SYSTEM32>\findstr.exe' "1"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where ID='ae2ee509-1b34-41c0-acb7-6d4650168915' get LicenseStatus
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where ID='ae2ee509-1b34-41c0-acb7-6d4650168915' get Name /value
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingProduct where (Description like '%KMSCLIENT%') get ID /value"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (Description like '%KMSCLIENT%') get ID /value
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService get Version /value
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call SetKeyManagementServiceMachine MachineName="127.0.0.2"
  • '<SYSTEM32>\schtasks.exe' /query /fo list
  • '<SYSTEM32>\findstr.exe' /i "KMS_VL_ALL"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call DisableKeyManagementServiceHostCaching 1
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call DisableKeyManagementServiceDnsPublishing 1
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call ClearKeyManagementServicePort
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call ClearKeyManagementServiceMachine
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get GracePeriodRemaining /value
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get GracePeriodRemaining /value"
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get Name /value"
  • '<SYSTEM32>\wbem\wmic.exe' path Win32_OperatingSystem get BuildNumber /value
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' call ClearKeyManagementServicePort
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' call ClearKeyManagementServiceMachine
  • '<SYSTEM32>\findstr.exe' /i "6f327760-8c5c-417c-9b61-836a98287e0c"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (PartialProductKey is not NULL) get ID
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get Name /value
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%') get ID /value
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%') get ID /value"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService where version='14.0.370.400' call SetKeyManagementServicePort 1686
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call SetKeyManagementServicePort 1686
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService where version='6.1.7601.17514' call SetKeyManagementServiceMachine MachineName="127.0.0.2"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService get Version /value
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\15.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\15.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService get Version
  • '<SYSTEM32>\find.exe' /i "-renewalonly"
  • '<SYSTEM32>\find.exe' /i "-createtask"
  • '<SYSTEM32>\cmd.exe' /S /D /c" echo "
  • '<SYSTEM32>\fltmc.exe'
  • '<SYSTEM32>\cmd.exe' /C "%PROGRAMDATA%\KMS-VL-ALL-7.2RC2\KMS-VL-ALL.cmd"
  • '<SYSTEM32>\msiexec.exe' -Embedding 432EA703530E3105DFA1C4425EC2DCA0
  • '%WINDIR%\syswow64\msiexec.exe' /i "%WINDIR%\Performance\WinSAT\DataStore\installfiles\install\setup64.msi" /quiet
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\16.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\16.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\16.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\16.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingService get Version /value"
  • '<SYSTEM32>\cmd.exe' /c wmic path Win32_Processor get AddressWidth /value
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (Description like '%KMSCLIENT%' and PartialProductKey is not NULL) get Name /value
  • '<SYSTEM32>\findstr.exe' /i "Windows"
  • '<SYSTEM32>\findstr.exe' /i "Office"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (Description like '%KMSCLIENT%') get Name /value
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\0ff1ce15-a989-479d-af46-f275c6370663" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\55c92734-d682-4d71-983e-d6ec3f16059f" /f
  • '<SYSTEM32>\cmd.exe' /c start /b "" "%PROGRAMDATA%\KMS-VL-ALL-7.2RC2\32-bit\vlmcsd.exe" -P 1686 -0 03612-00096-199-303490-03-1033-14393.0000-1082018 -3 03612-00206-234-394838-03-1033-14393.0000-1082018 -6 03612-002...
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' call Activate
  • '<SYSTEM32>\schtasks.exe' /create /tn "KMS_VL_ALL" /ru "SYSTEM" /sc "ONLOGON" /tr "%PROGRAMDATA%\KMS-VL-ALL-7.2RC2\KMS-VL-ALL.cmd -renewalonly"
  • '<SYSTEM32>\cmd.exe' /c wmic path Win32_OperatingSystem get BuildNumber /value
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\SxS\VS7 /v 15.0
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\SxS\VS7 /v 15.0" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0 /v InstallDir
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\14.0 /v InstallDir" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\12.0 /v InstallDir
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\12.0 /v InstallDir" 2>nul
  • '<SYSTEM32>\wbem\wmic.exe' path Win32_Processor get AddressWidth /value
  • '<SYSTEM32>\netsh.exe' advfirewall firewall delete rule name="vlmcsd"
  • '<SYSTEM32>\ping.exe' 127.0.0.1 -n 6

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