Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 10:46

General

  • Target

    00ec426a2c7dd133dd4fc6a9718e7674_JaffaCakes118.exe

  • Size

    80KB

  • MD5

    00ec426a2c7dd133dd4fc6a9718e7674

  • SHA1

    a7447eab9b122caac8e9ed32318d9a775d891233

  • SHA256

    eca8b01e7381ec7a4df597939ef86bd3e3a90fe598414efd0a51f25401fa52df

  • SHA512

    fea15c1ce5ea9942dbeca7896833e3fa12a4721418089262f55bfeabf97210dc85c2940efda59851b72c24a90fefdf0eb2fe5f4b7248f85e6e1e6c43d9c096b9

  • SSDEEP

    1536:ddwzKhj4i7GNetv6lTwDkJY7vSwGV4VE:LTGlTwDkJEqwG

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 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00ec426a2c7dd133dd4fc6a9718e7674_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\00ec426a2c7dd133dd4fc6a9718e7674_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\faavi.exe
      "C:\Users\Admin\faavi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1756

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\faavi.exe

          Filesize

          80KB

          MD5

          d6f2f42bd3a85917dc21e3e97bf15b99

          SHA1

          f36c2002fb298079c7c07ecb979bcc78be4ea3f0

          SHA256

          91ff70fe3aaff23b67052c305fa54c8ab839574394a834875b92711c3724ffb0

          SHA512

          89687d1f8994c3cbf94679e8953dce8f937e0e681c9e9e01966daea612d12d48778c9daaf6192a8a079ecdf673037ead1a42315fe3954efe828091343640cbac