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Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 20:01

General

  • Target

    f6c350e0e2ad54879e039ac516e9d538_JaffaCakes118.exe

  • Size

    176KB

  • MD5

    f6c350e0e2ad54879e039ac516e9d538

  • SHA1

    629a96b49155cea532204b8a9d75ff270a3c1c79

  • SHA256

    44f5f4a330ce0c70d946a61ab5a983b58eac267b399822398b2ce02743c58a57

  • SHA512

    89f7081b2cd42ccac5b91fe415468664cfa0b556cab9a3245e31b1abacf28b9576a07077fc1ddb329e78f76c14ddbbdd9b2e876b46a2d5b9980584a942ac95ba

  • SSDEEP

    3072:wf7O+p1zO+daiyK8+Yb6RJ6Ea6uKnvmb7/D26CEmIOJ1va0YOlR9vqgeleYCDk0m:Edp1d8iyK2b6RJXWKnvmb7/D26CEmIOc

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 52 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6c350e0e2ad54879e039ac516e9d538_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f6c350e0e2ad54879e039ac516e9d538_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:2516
    • C:\Users\Admin\mfmiv.exe
      "C:\Users\Admin\mfmiv.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 use of SetWindowsHookEx
      PID:3996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\mfmiv.exe

    Filesize

    176KB

    MD5

    328f0d7f476e72c153bdbce772882aad

    SHA1

    d305877038d15cf9c9b3ef726e25c8e2691e04d1

    SHA256

    360cb994d3d13e17c617009e6b382cab0068e8cc9a42300d9b0bc0c956eae159

    SHA512

    de3da9a30f4447b58760949ad93df5d3bbca4d72d048e2da379b20e64e96ed151738a1c599568bc51b658ca6b6d9d98932e3feb8eedb547570e022df2e878b39