Technical Information
Malicious functions
Executes the following
- '<SYSTEM32>\net.exe' stop sppsvc /y
- '<SYSTEM32>\net.exe' stop osppsvc /y
Launches a large number of processes
Modifies file system
Creates the following files
- %TEMP%\c937.tmp\c938.tmp\c939.bat
- <Current directory>\kms.cmd
- nul
- %TEMP%\e86rzeys.0.cs
- %TEMP%\e86rzeys.cmdline
- %TEMP%\e86rzeys.out
- %TEMP%\cscf41e.tmp
- %TEMP%\resf42e.tmp
- %TEMP%\e86rzeys.dll
- <SYSTEM32>\sppextcomobjhook.dll
- %WINDIR%\migration\wtr\kms_vl_all.inf
- %WINDIR%\temp\sppchk.txt
Sets the 'hidden' attribute to the following files
- <Current directory>\kms.cmd
Deletes the following files
- %TEMP%\resf42e.tmp
- %TEMP%\cscf41e.tmp
- %TEMP%\e86rzeys.dll
- %TEMP%\e86rzeys.pdb
- %TEMP%\e86rzeys.out
- %TEMP%\e86rzeys.cmdline
- %TEMP%\e86rzeys.0.cs
- %WINDIR%\temp\sppchk.txt
- <Current directory>\kms.cmd
- %TEMP%\c937.tmp\c938.tmp\c939.bat
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\e86rzeys.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESF42E.tmp" "%TEMP%\CSCF41E.tmp"' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c "%TEMP%\C937.tmp\C938.tmp\C939.bat <Full path to file>"
- '<SYSTEM32>\find.exe' /i "Office 15" "%WINDIR%\Temp\sppchk.txt"
- '<SYSTEM32>\find.exe' /i "Office 16" "%WINDIR%\Temp\sppchk.txt"
- '<SYSTEM32>\find.exe' /i "Office 19" "%WINDIR%\Temp\sppchk.txt"
- '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%' AND NOT Name like '%MondoR_KMS_Automation%') get Name /value
- '<SYSTEM32>\net1.exe' start osppsvc /y
- '<SYSTEM32>\net.exe' start osppsvc /y
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v DisableKeyManagementServiceHostCaching
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v DisableDnsPublishing
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v KeyManagementServicePort /t REG_SZ /d "1688"
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v KeyManagementServiceName /t REG_SZ /d "0.0.0.0"
- '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService get Version /VALUE
- '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingService get Version /VALUE"
- '<SYSTEM32>\findstr.exe' /i Windows
- '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (Description like '%KMSCLIENT%') get Name /value
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\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>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\16.0\Common\InstallRoot /v Path
- '<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\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>\find.exe' /i "Office 14" "%WINDIR%\Temp\sppchk.txt"
- '<SYSTEM32>\find.exe' /i "R_Retail" "%WINDIR%\Temp\sppchk.txt"
- '<SYSTEM32>\net1.exe' stop osppsvc /y
- '<SYSTEM32>\find.exe' /i "Office 19"
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v DisableKeyManagementServiceHostCaching
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v DisableDnsPublishing
- '<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>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' call Activate
- '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get Name /VALUE"
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\0ff1ce15-a989-479d-af46-f275c6370663\6f327760-8c5c-417c-9b61-836a98287e0c" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\59a52881-a989-479d-af46-f275c6370663\6f327760-8c5c-417c-9b61-836a98287e0c" /f
- '<SYSTEM32>\findstr.exe' /i "6f327760-8c5c-417c-9b61-836a98287e0c"
- '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (PartialProductKey is not NULL) get ID /value
- '<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 get Version /VALUE
- '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionService get Version /VALUE" 2>nul
- '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPro-MAK') get LicenseStatus /VALUE
- '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPro-MAK') get LicenseStatus /VALUE" 2>nul
- '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPrem-MAK') get LicenseStatus /VALUE
- '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPrem-MAK') get LicenseStatus /VALUE" 2>nul
- '<SYSTEM32>\find.exe' /i "Office 15"
- '<SYSTEM32>\find.exe' /i "Office 16"
- '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\15.0\Common\InstallRoot /v Path" 2>nul
- '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (ApplicationID='0ff1ce15-a989-479d-af46-f275c6370663' AND NOT Name like '%O365%') get Name /value
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v Debugger
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESF42E.tmp" "%TEMP%\CSCF41E.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\e86rzeys.cmdline"
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -nop -c "$d='<SYSTEM32>';$f=[IO.File]::ReadAllText('<Current directory>\kms.cmd') -split ':embdbin\:.*';iex ($f[1]);X 2"
- '<SYSTEM32>\net1.exe' stop sppsvc /y
- '<SYSTEM32>\find.exe' /i "STOPPED"
- '<SYSTEM32>\sc.exe' query sppsvc
- '<SYSTEM32>\cmd.exe' /c dir /b /ad <SYSTEM32>\spp\tokens\channels
- '<SYSTEM32>\sc.exe' query osppsvc
- '<SYSTEM32>\cmd.exe' /c dir /b /ad <SYSTEM32>\spp\tokens\skus
- '<SYSTEM32>\cmd.exe' /c ver
- '<SYSTEM32>\reg.exe' query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
- '<SYSTEM32>\cmd.exe' /c reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
- '<SYSTEM32>\reg.exe' query HKU\S-1-5-19
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v Debugger
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
- '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\CVH /f Click2run /k
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\15.0\ClickToRun /v InstallPath
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\WOW6432Node\Microsoft\Office\ClickToRun /v InstallPath
- '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\ClickToRun /v InstallPath
- '<SYSTEM32>\reg.exe' query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v ProductName
- '<SYSTEM32>\cmd.exe' /c reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v ProductName 2>nul
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v KeyManagementServicePort /t REG_SZ /d "1688"
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v KeyManagementServiceName /t REG_SZ /d "0.0.0.0"
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
- '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v Debugger
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
- '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
- '<SYSTEM32>\sc.exe' start sppsvc trigger=timer;sessionid=0
