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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2024, 18:50

General

  • Target

    4af3eb17b08c45ea5b377cfc7432b1df_JaffaCakes118.exe

  • Size

    128KB

  • MD5

    4af3eb17b08c45ea5b377cfc7432b1df

  • SHA1

    761042688c6892117f64669346990b5c88d04fb8

  • SHA256

    031ce207a9348ca92047b2ff3cde60d6c608e02491d14dbecbe29c51c6b532b5

  • SHA512

    8c1e0c7445e63853d2ff735127a04e445bcb6b8da51903b9285f3ee3659806887fc0ab589ed2d89535d4e42b8cb52d1f3292497f36bf641df602aacb84a72b38

  • SSDEEP

    3072:xxwbcHVICc7soi3rK+/7uqelMYa3S1H2N:nwbAVFc7st3rK+/7uqelMYa3S1HS

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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\4af3eb17b08c45ea5b377cfc7432b1df_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4af3eb17b08c45ea5b377cfc7432b1df_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\yaojif.exe
      "C:\Users\Admin\yaojif.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:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yaojif.exe

    Filesize

    128KB

    MD5

    8ea7b1fdcbb421f7b65e5187e072e6f5

    SHA1

    15be5168beaa7c2e6072f24d1f9b3a10c0c77447

    SHA256

    fd0328795e39fb98742dc54d74d677625160562a70c087cde74a329d0b92e425

    SHA512

    7d3d1e1f28df0364a58f887b98b17969a14218ae0e073ab23749492ffa790ef690ad70c7995d050db61ac69b7f7f2b70e4e8643eef85797c13662995284a4414