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
    30/09/2026, 11:12

General

  • Target
    attachment20260930-765-cuh15u.xlsx
  • Size 114KB
  • Sample260930-natktasekh
  • SHA256 4fc50abe4214a380c881eb7b71ec71d2ee63a4ce87138e008dbe800a298df280
  • 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 SetWindowsHookEx 12 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\attachment20260930-765-cuh15u.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4576

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 3KB
        • SHA256 87106893c6fe77543c2b3d5f6474800739e1a8dd5a4146b4c721b404f975b975
        • MD5 SHA1 SHA512 TLSH

        memory/4576-10-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-14-0x00007FFB2F8A0000-0x00007FFB2F8B0000-memory.dmp

        memory/4576-5-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-3-0x00007FFB71B0D000-0x00007FFB71B0E000-memory.dmp

        memory/4576-0-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-6-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-9-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-12-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-11-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-8-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-4-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-13-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-2-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-7-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-15-0x00007FFB2F8A0000-0x00007FFB2F8B0000-memory.dmp

        memory/4576-28-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-1-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-56-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-59-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-60-0x00007FFB71A70000-0x00007FFB71C65000-memory.dmp

        memory/4576-58-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp

        memory/4576-57-0x00007FFB31AF0000-0x00007FFB31B00000-memory.dmp