Overview

overview

8

Static

static

3

1255d496a4...59.exe

windows10-2004-x64

8

1255d496a4...59.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 06:03

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General

  • Target
    1255d496a426d136564a136399bd5af841c8fd13b47e16ab247c818d64189b59.exe
  • Size 12KB
  • Sample260706-gr4c1saw4x
  • SHA256 1255d496a426d136564a136399bd5af841c8fd13b47e16ab247c818d64189b59
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1255d496a426d136564a136399bd5af841c8fd13b47e16ab247c818d64189b59.exe
    "C:\Users\Admin\AppData\Local\Temp\1255d496a426d136564a136399bd5af841c8fd13b47e16ab247c818d64189b59.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6160
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32.exe "C:\ProgramData\NyxoraSys\yhd-yoke.dll",UpdateHandler
      2⤵
      • Loads dropped DLL
      PID:1216

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        yhd-yoke.dll
        • Path C:\ProgramData\NyxoraSys\yhd-yoke.dll
        • Size 410KB
        • SHA256 2f482073be1762583031b4c6076d9096c7fcd3017b5a244670f696028553e5b6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download