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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 17:14

General

  • Target

    f192be548039bef6f44a51e0b3c42ff6_JaffaCakes118.exe

  • Size

    264KB

  • MD5

    f192be548039bef6f44a51e0b3c42ff6

  • SHA1

    d02b4c11809b4b5121757b5214d340981cbb5179

  • SHA256

    70e5e0bf439f5ce8dc1f1fd598465b3698b043b13d93bc915ad00544ea81e3fe

  • SHA512

    95befeb2edd80aac3dfd85790219719629f8e59389d619c83525c7eeffcb1456c2308b06fefa2a6242caf8291bd33e31c73c90899ccc836fd203cd32dd325dcd

  • SSDEEP

    3072:oka+QTRhTx5fFEZDp/aRg/utQa3V+LuJC0HezOVneDWxlVNMAZNz/wGHk71mUGdY:oRTzTx5WK3V+I6OVnHYGHk70dHL

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f192be548039bef6f44a51e0b3c42ff6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f192be548039bef6f44a51e0b3c42ff6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Users\Admin\yievait.exe
      "C:\Users\Admin\yievait.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:3128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yievait.exe

    Filesize

    264KB

    MD5

    18fc9539f853038829dbcdd2c995e359

    SHA1

    2e26307273f1a5a3c93ba7afec1f45598410085c

    SHA256

    6bdd22efee7253396c0380f373a51c91ce5818e38cbbeaa6f6859e772650c98a

    SHA512

    d847dc07629cc499b31814610cc81b747c1b2f147b2dea801f762efe4de7ea39d0e21cbc8109360ceea3f9f38a6b2e787c8a66614304c3127cca9d42a3ce48df