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
    30/09/2026, 16:13

General

  • Target
    attachment20260930-429995-krkqoo.xlsx
  • Size 15KB
  • Sample260930-tpem4acd64
  • SHA256 449afea5657841409d9689f064545165c08fa4cb6ebd29bcead38152e9373558
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 16 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\attachment20260930-429995-krkqoo.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        b8ab77100df80ab2.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
        • Size 1KB
        • SHA256 77d22ad1c909070397fe61412dda09bc23d6d529f8773623ffd8a598d07672dc
        • MD5 SHA1 SHA512 TLSH

        memory/5040-10-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-13-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-4-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-1-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-5-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-6-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-7-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-9-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-8-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-0-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-3-0x00007FFAB7E1F000-0x00007FFAB7E20000-memory.dmp

        memory/5040-12-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-11-0x00007FFA750D0000-0x00007FFA750E0000-memory.dmp

        memory/5040-14-0x00007FFA750D0000-0x00007FFA750E0000-memory.dmp

        memory/5040-22-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp

        memory/5040-2-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-47-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-48-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-49-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-50-0x00007FFA77E00000-0x00007FFA77E10000-memory.dmp

        memory/5040-51-0x00007FFAB7CC0000-0x00007FFAB7F23000-memory.dmp