Analysis

  • max time kernel
    446s
  • max time network
    448s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/05/2024, 02:23

General

  • Target
    5cb96def1bfb4ccc9c85a5f4e02bc7a04a4738ca6c881e1966f2f44c07596ed0.exe
  • Size 352KB
  • Sample240517-ct8nasdc49
  • SHA256 5cb96def1bfb4ccc9c85a5f4e02bc7a04a4738ca6c881e1966f2f44c07596ed0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cb96def1bfb4ccc9c85a5f4e02bc7a04a4738ca6c881e1966f2f44c07596ed0.exe
    "C:\Users\Admin\AppData\Local\Temp\5cb96def1bfb4ccc9c85a5f4e02bc7a04a4738ca6c881e1966f2f44c07596ed0.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5cb96def1bfb4ccc9c85a5f4e02bc7a04a4738ca6c881e1966f2f44c07596ed0.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5076

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_0udesotf.5ib.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0udesotf.5ib.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/436-0-0x00007FFF21033000-0x00007FFF21035000-memory.dmp

        memory/436-1-0x000001C3A5DF0000-0x000001C3A5E4C000-memory.dmp

        memory/436-2-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/436-20-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/5012-4-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/5012-5-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/5012-11-0x000002551C920000-0x000002551C942000-memory.dmp

        memory/5012-15-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/5012-19-0x00007FFF21030000-0x00007FFF21AF2000-memory.dmp

        memory/5076-3-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/5076-16-0x0000000074A5E000-0x0000000074A5F000-memory.dmp