Analysis

  • max time kernel
    40s
  • max time network
    37s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/10/2026, 23:27

General

  • Target
    Mugetsu.exe
  • Size 27.2MB
  • Sample261006-3fndbahs9w
  • SHA256 489824a8f1003ead69ab40c2de2138381dca93bb6bc01f779230c80e4e93c0b1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mugetsu.exe
    "C:\Users\Admin\AppData\Local\Temp\Mugetsu.exe"
    1⤵
    • Loads dropped DLL
    • Reads the TCP/IP host and domain name from the registry
    • Checks SCSI registry key(s)
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4992

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        openh264-2.4.1-win64.dll

        • Path C:\Users\Admin\AppData\Local\ruffle\video\openh264-2.4.1-win64.dll
        • Size 952KB
        • SHA256 081b0c081480d177cbfddfbc90b1613640e702f875897b30d8de195cde73dd34
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4992-2-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-0-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-7-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-11-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-9-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-10-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-8-0x0000025A71320000-0x0000025A71321000-memory.dmp

        memory/4992-6-0x0000025A71320000-0x0000025A71321000-memory.dmp