Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 23:00

General

  • Target

    36bf84aa34656406ec7efc1ed6a160e3_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    36bf84aa34656406ec7efc1ed6a160e3

  • SHA1

    0fd74d7ec2a7f41d800d8d43e91e886f0bfba3f3

  • SHA256

    4b1bbd8255470f13d024827a47d5f62ea6bf99b8b3fa13ba72f0f06c2250e8e0

  • SHA512

    dec06084234f893301c064251bd8949e3883a65e46044cc6fd4519d1e27e63c0cc85975be4f0d7173f853c6f4de6718e992d6f2421d9b69b49b76abf7db68ae3

  • SSDEEP

    3072:7CbTo/0YxFs0tQ9nLHbB9WPliBs2HWWEakGJm9uB5:7CCE4QxL7B9WPli+yWWEazNL

Score
10/10

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 27 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\36bf84aa34656406ec7efc1ed6a160e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\36bf84aa34656406ec7efc1ed6a160e3_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Users\Admin\niiidi.exe
      "C:\Users\Admin\niiidi.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:1508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\niiidi.exe

    Filesize

    200KB

    MD5

    663c58453d0b5f784914b5b13f29dde6

    SHA1

    397c261c29ea00e4e1eca466e498ee884e576563

    SHA256

    57df6d5fd7a9329dcfa10a29ac3fbaa8dc9df25ba55907e059a48f97b2ce0882

    SHA512

    76f7c45d8785c117fe7b666ef83c6b4d3f073c4c133777d9436aff90b7d61988d79b1a23d9add37098229db63815c1627844f0f85b34f8b031767df2680588d9