Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 10:31

General

  • Target
    attachment20260930-1253-60d7tr.xlsm
  • Size 555KB
  • Sample260930-mkptyaxw9k
  • 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\attachment20260930-1253-60d7tr.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:3412
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1324
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:3316

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            21B95E00

            • Path C:\Users\Admin\AppData\Local\Temp\21B95E00
            • Size 550KB
            • SHA256 7accb2b877983b2afa2537068d82b727d9a35bb69826c2e247645cedc5750a14
            • MD5 SHA1 SHA512 SSDEEP TLSH

            b8ab77100df80ab2.customDestinations-ms

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
            • Size 1KB
            • SHA256 b8b57b81b2a9c3ebf3f8fb60a20f91803031685fe8ba9d0c3d61103041e1e7d3
            • MD5 SHA1 SHA512 TLSH

            memory/3412-8-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-9-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-2-0x00007FF7D6BA0000-0x00007FF7D6BB0000-memory.dmp

            memory/3412-1-0x00007FF7D6BA0000-0x00007FF7D6BB0000-memory.dmp

            memory/3412-6-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-7-0x00007FF7D6BA0000-0x00007FF7D6BB0000-memory.dmp

            memory/3412-0-0x00007FF7D6BA0000-0x00007FF7D6BB0000-memory.dmp

            memory/3412-4-0x00007FF7D6BA0000-0x00007FF7D6BB0000-memory.dmp

            memory/3412-12-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-11-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-13-0x00007FF7D4170000-0x00007FF7D4180000-memory.dmp

            memory/3412-10-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-14-0x00007FF7D4170000-0x00007FF7D4180000-memory.dmp

            memory/3412-5-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-49-0x00007FF816A60000-0x00007FF816CC3000-memory.dmp

            memory/3412-3-0x00007FF816BBF000-0x00007FF816BC0000-memory.dmp