Analysis

  • max time kernel
    148s
  • max time network
    142s
  • 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, 02:22

General

  • Target
    attachment20260930-1092870-kspww2.xlsm
  • Size 555KB
  • Sample260930-ctm2lavwat
  • 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\attachment20260930-1092870-kspww2.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:2748
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:5544
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:5892
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4020

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              FCF95E00

              • Path C:\Users\Admin\AppData\Local\Temp\FCF95E00
              • Size 550KB
              • SHA256 23acee83fe737ed001d3a6cfd8c3ff34e322f741a734699d0ecf39a4512781bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              b8ab77100df80ab2.customDestinations-ms

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
              • Size 1KB
              • SHA256 de8e82c048c5eeded886dd8767ccdc53ec0ed9a678d25db091dc2fbe04316526
              • MD5 SHA1 SHA512 TLSH

              memory/2748-7-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-13-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-5-0x00007FFB06520000-0x00007FFB06530000-memory.dmp

              memory/2748-4-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-6-0x00007FFB06520000-0x00007FFB06530000-memory.dmp

              memory/2748-8-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-3-0x00007FFB06520000-0x00007FFB06530000-memory.dmp

              memory/2748-11-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-12-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-2-0x00007FFB4653F000-0x00007FFB46540000-memory.dmp

              memory/2748-9-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-10-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-14-0x00007FFB03940000-0x00007FFB03950000-memory.dmp

              memory/2748-15-0x00007FFB03940000-0x00007FFB03950000-memory.dmp

              memory/2748-1-0x00007FFB06520000-0x00007FFB06530000-memory.dmp

              memory/2748-51-0x00007FFB463E0000-0x00007FFB46643000-memory.dmp

              memory/2748-0-0x00007FFB06520000-0x00007FFB06530000-memory.dmp