Analysis

  • user interaction
    yes
  • max time kernel
    26s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 14:34

General

  • Target
    YUB-X UI.rar
  • Size 33.5MB
  • Sample260511-rxea7afy7r
  • SHA256 fb1472a600e5d4ecf10a56ee9eb1069d5d0858ca6e700fac43b96385906b5fac
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\YUB-X UI.rar"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1900
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3376
    • C:\Users\Admin\Desktop\YUB-X\YUB-X.exe
      "C:\Users\Admin\Desktop\YUB-X\YUB-X.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1448

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          YUB-X.exe

          • Path C:\Users\Admin\Desktop\YUB-X\YUB-X.exe
          • Size 40.5MB
          • SHA256 ae67f74613d9fbc1975c90cf0de064e63c7644493bc062243270e9604c5fbd61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1448-13-0x0000000000830000-0x00000000008DE000-memory.dmp

          memory/1900-10-0x000001C493220000-0x000001C4932CE000-memory.dmp