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Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 00:24

General

  • Target

    3f7b561be08aec128023f1732339c780_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    3f7b561be08aec128023f1732339c780

  • SHA1

    7ef61956e1c0ea6816d450e430b911abec04b5c5

  • SHA256

    85d605ad89f22fffc577ad5999011029f1b5bc87689963f902a78e258ca48839

  • SHA512

    7fc36696020d68df5879dfc82c061a634ae6447a845ac471cdd00d1d6203d3ad2e32516ad80bce473c334443a1c92ba2f0ee759008702765e0c667479f98b483

  • SSDEEP

    1536:uT6u3c9YJmU9+Dkl8NMhgoAeK6Kg0xCZTqUX3wkSQ7tNXZKl/YWAISDKow5z/GH3:w6u3kTU0DklPANxCLX3uDcdZDZH

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\3f7b561be08aec128023f1732339c780_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7b561be08aec128023f1732339c780_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\qeeisi.exe
      "C:\Users\Admin\qeeisi.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:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\qeeisi.exe

    Filesize

    248KB

    MD5

    d233b21e30ab4fbc69523bb485c2d91e

    SHA1

    6db0ea7a4e76690831b974540d366c2341982654

    SHA256

    60785eee9603a5bdbe6d0f798c6c95b2b555e1d2188287a35cd6d8dad3516122

    SHA512

    653b20b2e17768da5ebf30b4b503019c65b6d3367644b820a9ce94f5e7125b737155e8cd210b6562267c7430083f527d6f2ce72e4b4b2e7df2f644d185a042f6