Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2024, 07:35

General

  • Target

    4d5b1ca0fb75751024ad6f9f8fb9a72c_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    4d5b1ca0fb75751024ad6f9f8fb9a72c

  • SHA1

    0b70c1bd46e6eb773e47421861a69a8158703b8c

  • SHA256

    cdd9e6c99cf6dcd2d7f2e70535df94d9f472117754e4ec99196cfcb949cd3114

  • SHA512

    00ff9b2291c4e781e486c4f40f6285f5b6357489c431bafd8d451bf756996672d6149335105154e8f1edd7b531f37e98e64a3bbc083bb4817af53f48b050e54c

  • SSDEEP

    1536:VjtkjtTQPgU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VewNeG0h/l:HkjyIU0GgAT98t

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d5b1ca0fb75751024ad6f9f8fb9a72c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4d5b1ca0fb75751024ad6f9f8fb9a72c_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\crweoy.exe
      "C:\Users\Admin\crweoy.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1848

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\crweoy.exe

          Filesize

          124KB

          MD5

          68448fd26d9142b05b24e9f77049b7ba

          SHA1

          ee5c3234cda07d6bc0f3a18b69ef51040b87617f

          SHA256

          2b93bf337f29d5cdd4c88424f86618076e968ad698bd2ec9685930a55bb732b3

          SHA512

          89618296a74b532221f47b1eeafeec6fd13e07d89b46a9abf2c0c18c51231aabb5a503824d8f35cdf64f334301ecf28966b2b3ab9f547030e7708fc3fbeddadb