Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 14:19

General

  • Target
    attachment20261002-278819-38utic.xlsm
  • Size 555KB
  • Sample261002-rms2laszcw
  • SHA256 7dc6e3106413ad883680745af653b737bc9ae0b2d2599eeb7ee45aeea3a4494f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\attachment20261002-278819-38utic.xlsm"
    1⤵
    • Deletes itself
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1908
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1968

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            99995E00

            • Path C:\Users\Admin\AppData\Local\Temp\99995E00
            • Size 550KB
            • SHA256 96f015e4488249a655a8e386e54c2b24e4847580608578758d22499210c9fcbb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/4728-11-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-15-0x00007FFEDB7D0000-0x00007FFEDB7E0000-memory.dmp

            memory/4728-6-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-5-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-4-0x00007FFEDE500000-0x00007FFEDE510000-memory.dmp

            memory/4728-2-0x00007FFEDE500000-0x00007FFEDE510000-memory.dmp

            memory/4728-7-0x00007FFEDE500000-0x00007FFEDE510000-memory.dmp

            memory/4728-0-0x00007FFEDE500000-0x00007FFEDE510000-memory.dmp

            memory/4728-3-0x00007FFF1E51F000-0x00007FFF1E520000-memory.dmp

            memory/4728-12-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-14-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-13-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-10-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-9-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-8-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp

            memory/4728-16-0x00007FFEDB7D0000-0x00007FFEDB7E0000-memory.dmp

            memory/4728-1-0x00007FFEDE500000-0x00007FFEDE510000-memory.dmp

            memory/4728-55-0x00007FFF1E3C0000-0x00007FFF1E623000-memory.dmp