Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 08:22

General

  • Target
    attachment20261002-278819-3nkzby.xlsm
  • Size 555KB
  • Sample261002-j9jsfasscx
  • 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\attachment20261002-278819-3nkzby.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:3940
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4308
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:204

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            E5D85E00

            • Path C:\Users\Admin\AppData\Local\Temp\E5D85E00
            • Size 550KB
            • SHA256 6b3c37bad71d99152da823a2ed1ea135081f0d1a5c78bbc03fcbce4e8fc01d63
            • MD5 SHA1 SHA512 SSDEEP TLSH

            T18UFFAQ2C91NE4ZTSPL.temp

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\T18UFFAQ2C91NE4ZTSPL.temp
            • Size 3KB
            • SHA256 bea550f25f3ed2834044d091bcba271b455e39b17e8f27ae78c1f6473126938c
            • MD5 SHA1 SHA512 TLSH

            memory/3940-6-0x00007FF9D2A70000-0x00007FF9D2A80000-memory.dmp

            memory/3940-2-0x00007FF9D2A70000-0x00007FF9D2A80000-memory.dmp

            memory/3940-1-0x00007FF9D2A70000-0x00007FF9D2A80000-memory.dmp

            memory/3940-5-0x00007FFA129F0000-0x00007FFA12BE5000-memory.dmp

            memory/3940-0-0x00007FF9D2A70000-0x00007FF9D2A80000-memory.dmp

            memory/3940-9-0x00007FFA129F0000-0x00007FFA12BE5000-memory.dmp

            memory/3940-8-0x00007FFA129F0000-0x00007FFA12BE5000-memory.dmp

            memory/3940-7-0x00007FFA129F0000-0x00007FFA12BE5000-memory.dmp

            memory/3940-10-0x00007FF9D01C0000-0x00007FF9D01D0000-memory.dmp

            memory/3940-11-0x00007FF9D01C0000-0x00007FF9D01D0000-memory.dmp

            memory/3940-3-0x00007FFA12A8D000-0x00007FFA12A8E000-memory.dmp

            memory/3940-55-0x00007FFA129F0000-0x00007FFA12BE5000-memory.dmp

            memory/3940-4-0x00007FF9D2A70000-0x00007FF9D2A80000-memory.dmp