Analysis

  • max time kernel
    148s
  • max time network
    130s
  • 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, 16:48

General

  • Target
    attachment20261002-278819-npx5kk.xlsm
  • Size 555KB
  • Sample261002-va7wrssset
  • 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-npx5kk.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:4128
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1364
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:5584

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            33795E00

            • Path C:\Users\Admin\AppData\Local\Temp\33795E00
            • Size 550KB
            • SHA256 7764d12f855f3c5a2976c09f4357a156bf3e877573fd673aca172667733856e5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            0DV65835FGFX557TA5GB.temp

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0DV65835FGFX557TA5GB.temp
            • Size 1KB
            • SHA256 ba5a90156c574c942c801e48d62d1a23997cd61d8c0a8712cf7c8d16ba158cbd
            • MD5 SHA1 SHA512 TLSH

            memory/4128-10-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-11-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-4-0x00007FF9072A0000-0x00007FF9072B0000-memory.dmp

            memory/4128-6-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-7-0x00007FF9072A0000-0x00007FF9072B0000-memory.dmp

            memory/4128-5-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-0-0x00007FF9072A0000-0x00007FF9072B0000-memory.dmp

            memory/4128-1-0x00007FF9072A0000-0x00007FF9072B0000-memory.dmp

            memory/4128-9-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-8-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-12-0x00007FF904E80000-0x00007FF904E90000-memory.dmp

            memory/4128-13-0x00007FF904E80000-0x00007FF904E90000-memory.dmp

            memory/4128-3-0x00007FF9472BF000-0x00007FF9472C0000-memory.dmp

            memory/4128-52-0x00007FF947160000-0x00007FF9473C3000-memory.dmp

            memory/4128-2-0x00007FF9072A0000-0x00007FF9072B0000-memory.dmp