Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 17:38

General

  • Target

    be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe

  • Size

    161KB

  • MD5

    be87d1bd96e0d13553a5da7041dcaea3

  • SHA1

    fbfabb65e4d2a8c7d8341dc7eea58f8b13834033

  • SHA256

    9e6d9aebaeaa9e1e73278d21c41123d9375dcc13ddac6cc1890565154286d200

  • SHA512

    8958c442fbd4ff1dcf6356d10bf1c811e092f681cbfc7e77ff46838d23717b0be7ef4eed075592cb43a338f8a12b4dd9167f40b25d59fc4cff133ecfcf968294

  • SSDEEP

    3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8T:o68i3odBiTl2+TCU/N

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:4288

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\bugMAKER.bat

          Filesize

          90B

          MD5

          8eed65dea83c26e2af4cb22f330a1a9f

          SHA1

          1ffbf3e4ee5697814e9c535a8803385b63fe9e33

          SHA256

          991868c043ccf82adedba5cccb602e6b41625d8abc9fd393fac2256c97c37a3c

          SHA512

          d888b88b94129545a6497fc23f8bab9be6203dd265ea4de8a6374d28035605929376809330d0730747437a98789737adc96b731321b9d8e2d1bddeb56b25bd18

        • memory/2312-24-0x0000000000400000-0x000000000042D000-memory.dmp

          Filesize

          180KB