Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 16:48

General

  • Target

    3130aa2bc7403ed4a22058f3d59c0449_JaffaCakes118.exe

  • Size

    256KB

  • MD5

    3130aa2bc7403ed4a22058f3d59c0449

  • SHA1

    512e039128ba14e86d64625f0a7992fa73040464

  • SHA256

    7a5de4280cca58469ac04308dbc5ed75e59251de0de525121a0348f944b0369d

  • SHA512

    033b8f2d567c12ca9c60e30b08b223814097009936dc2d5b5a26e4cbc95ee38999feac0e8d46ec7da9b488152181581e798b2a416c3960630866c77703e45645

  • SSDEEP

    768:RWSVqPR2pQ87mEpnqFCm3d1mfK5J8jE2V4DrRJ8gM7YLDlrxOzUKczUKhzUKCzUd:RWScMpSExqfjC707J7e7N775vejP

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3130aa2bc7403ed4a22058f3d59c0449_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3130aa2bc7403ed4a22058f3d59c0449_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Users\Admin\ysfoan.exe
      "C:\Users\Admin\ysfoan.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
      • Suspicious use of WriteProcessMemory
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\ysfoan.exe

    Filesize

    256KB

    MD5

    3ec148922b446b8abdb5fb2245e63521

    SHA1

    7d54957426c51673b71ecd05358a6624c6ce2999

    SHA256

    45b8b0a682c631ff7bd8a9400b09b786918fb6740788472764aa7329ada16f91

    SHA512

    1712d1711ffd6689ef6b7f41d795451dc48005882db0ef65f6d37fc49cadcea071ba0681ff9031081f53b478a043a6ede744f963aa4a11d5097ceebe3985a1be