Resubmissions

26/04/2026, 23:44

260426-3rlnvscw6j3

26/04/2026, 23:43

260426-3qvkdaas3z3

Analysis

  • user interaction
    yes
  • max time kernel
    58s
  • max time network
    55s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    26/04/2026, 23:43

General

  • Target
    file-hfs.ps1
  • Size 3KB
  • Sample260426-3qvkdaas3z
  • SHA256 ad4ba15b4a9e4ffaf5c3e1b24a9f3a45c25404434bfef30b7880731e4e625bec
  • MD5 SHA1 SHA512 TLSH
Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 29 IoCs

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\file-hfs.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1316
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5388
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5336
    • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1028

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          PowerShell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\PowerShell.exe.log
          • Size 2KB
          • SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_qhudqlso.xwr.ps1

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

          memory/1028-27-0x000001F97FCB0000-0x000001F97FCF6000-memory.dmp

          memory/1316-13-0x000001C7F3C70000-0x000001C7F3CA1000-memory.dmp

          memory/1316-9-0x000001C7F5940000-0x000001C7F5950000-memory.dmp

          memory/1316-10-0x000001C7F5940000-0x000001C7F5950000-memory.dmp

          memory/1316-1-0x000001C7F5940000-0x000001C7F5950000-memory.dmp

          memory/1316-15-0x000001C7F58F0000-0x000001C7F5902000-memory.dmp

          memory/1316-14-0x000001C7F5370000-0x000001C7F537C000-memory.dmp

          memory/1316-2-0x000001C7F5A80000-0x000001C7F5AA2000-memory.dmp

          memory/1316-0-0x000001C7F5940000-0x000001C7F5950000-memory.dmp

          memory/5336-17-0x000001E090480000-0x000001E0904B1000-memory.dmp

          memory/5388-16-0x000001F679470000-0x000001F6794A1000-memory.dmp