Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03/07/2024, 18:10

General

  • Target

    234ae080b7834ff4af76d1259da42432_JaffaCakes118.exe

  • Size

    105KB

  • MD5

    234ae080b7834ff4af76d1259da42432

  • SHA1

    db7f75a1ec1c7940b449fb77ac0b7a2fddc9de1a

  • SHA256

    48d6ab9e9deb2b1b278ccbdcd923ba5b4f3d6ff14f49cca4ed190c706ce21053

  • SHA512

    689adbe8cce56d03285c77d28e4204adf096ef2a05f4c641012e224757a21465282d3734ee326b4ca1234e73f48155f303fcd1b1f9583384a0d202ebe1cb7e20

  • SSDEEP

    3072:SCXELNZ8Vt4QQCJIjUmtyx7Wj5gvTTv7nq9vtp:rX88VCkIjj+7uSrHq9vtp

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\234ae080b7834ff4af76d1259da42432_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\234ae080b7834ff4af76d1259da42432_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\rb.exe
      "C:\Windows\rb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 124
        3⤵
        • Program crash
        PID:1724

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\rb.exe

          Filesize

          91KB

          MD5

          ea68903451b0a6f11921b8d80cd03926

          SHA1

          f56527ffb9a9655ea51ca850ed87b27ebe9f3486

          SHA256

          d87d13a2fddd1ed838fa9e14fc47e894d8f7fcb3f5301ceb52a125e79d6bcd97

          SHA512

          ab3718651468735b75fef3711b97a7b179ebd621bcb74723b4b72dc295668afabb383f065b80ad5174bcc6fb3376f23e49353cffb28cc65818ec70a8ed9108c9

        • memory/2908-0-0x0000000000400000-0x000000000041C200-memory.dmp

          Filesize

          112KB

        • memory/2908-9-0x0000000002930000-0x0000000002961000-memory.dmp

          Filesize

          196KB

        • memory/2908-8-0x0000000002930000-0x0000000002961000-memory.dmp

          Filesize

          196KB

        • memory/2908-13-0x0000000000400000-0x000000000041C200-memory.dmp

          Filesize

          112KB

        • memory/2908-15-0x0000000002930000-0x0000000002961000-memory.dmp

          Filesize

          196KB

        • memory/2908-16-0x0000000002930000-0x0000000002961000-memory.dmp

          Filesize

          196KB

        • memory/2992-10-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2992-11-0x0000000000440000-0x00000000004C0000-memory.dmp

          Filesize

          512KB

        • memory/2992-12-0x0000000000440000-0x00000000004C0000-memory.dmp

          Filesize

          512KB

        • memory/2992-17-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB