Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 16:19

General

  • Target

    be36fcf088c3c08812dcb4d9261ea8c1_JaffaCakes118.exe

  • Size

    268KB

  • MD5

    be36fcf088c3c08812dcb4d9261ea8c1

  • SHA1

    95f442278f19a7dae2ebe1e49e22962ccd9b1317

  • SHA256

    e0aeac3220edbc18b41eafdc107f7f384c68ac3d0cfe6bf2029056420fd0352e

  • SHA512

    57a111548c632ff7ebd18b8daed54c958af023ee24d9ddad50da8544292c6be8a926fe80c7b31cb8a08e8cacd8f04c261fc258f29404d8e15cb5c4de1fa83d1c

  • SSDEEP

    3072:EZy8FauSFEQLAg+Bj0vqMeFFoj1v2UAOnwoG+sWUS2LpFGMmPzde7+QT2GkdlJSu:EhXQMmPz

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 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be36fcf088c3c08812dcb4d9261ea8c1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be36fcf088c3c08812dcb4d9261ea8c1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Users\Admin\xcgul.exe
      "C:\Users\Admin\xcgul.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
      • Suspicious use of WriteProcessMemory
      PID:3972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xcgul.exe

    Filesize

    268KB

    MD5

    20082812d5b48758539f562658b0b097

    SHA1

    f8614c92d02b4fbd3b15c4288194f638f3ef70b9

    SHA256

    6c33d38fbcc3c5c8f5bd92979a327f8a4e30fe09e5b91602186888f956ababa7

    SHA512

    cab87f92f3a852e3bac639b6b6fb7b7d54bfaa06fcec566da07feade27844e6010b5e6528736dee8f49e539a2526c04f7f8da554798ed3f2b383b5756618396f