Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 13:15

General

  • Target
    jaffacakes118_Worm.Win32.Vobfus.efip.exe
  • Size 156KB
  • Sample261014-qg73wsdw21
  • SHA256 2dc83c6d32a2389a2a317dd665f213654b4dc22719e9f6a4737d8c25295f7aba
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Vobfus.efip.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.Win32.Vobfus.efip.exe"
    1⤵
    • Modifies visibility of hidden/system files in Explorer
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\baouc.exe
      "C:\Users\Admin\baouc.exe"
      2⤵
      • Modifies visibility 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
      PID:4484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        baouc.exe

        • Path C:\Users\Admin\baouc.exe
        • Size 156KB
        • SHA256 35749afc4b9c9ead9b7cd3bf5a9fc53adf295c4cf694b564e753ff872a253f1e
        • MD5 SHA1 SHA512 SSDEEP TLSH