Analysis

  • max time kernel
    299s
  • max time network
    304s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/07/2026, 15:19

General

  • Target
    kythy.exe
  • Size 2.0MB
  • Sample260705-sqffcac19t
  • SHA256 eb530402b07763a24a506d0e417e2459b38a6c31c67e9ccdc168df04aa6e1782
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kythy.exe
    "C:\Users\Admin\AppData\Local\Temp\kythy.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\SYSTEM32\at.exe
      at.exe
      2⤵
        PID:4972
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe Custom.a3x
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          PID:2084

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          AutoIt3.exe

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\AutoIt3.exe
          • Size 1.0MB
          • SHA256 92c6531a09180fae8b2aae7384b4cea9986762f0c271b35da09b4d0e733f9f45
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Custom.a3x

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Custom.a3x
          • Size 1.4MB
          • SHA256 cdc5b74ece5df8ee4ab0e4ca2e56281e679d2f8d20e209a7488b1f58751d347c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1732-7-0x00007FFA3D9C0000-0x00007FFA3DBC9000-memory.dmp

          memory/1732-8-0x00000254A5810000-0x00000254A5811000-memory.dmp

          memory/2084-10-0x0000027363A50000-0x0000027363C6A000-memory.dmp

          memory/2084-11-0x0000027363A50000-0x0000027363C6A000-memory.dmp

          memory/2084-17-0x0000027363A50000-0x0000027363C6A000-memory.dmp

          memory/2084-18-0x0000027363A50000-0x0000027363C6A000-memory.dmp

          memory/2084-19-0x0000027363A50000-0x0000027363C6A000-memory.dmp