Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 12:44

General

  • Target
    attachment20260804-1169-nafbxk.docx
  • Size 104KB
  • Sample260804-pyg3csbb55
  • SHA256 4c5898e2bc707b9a6a067468a2c6f395f17e9fe3d4acf7379cf32551ecc45b15
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\attachment20260804-1169-nafbxk.docx" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        iso690.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDC06A.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CUSTOM.DIC

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
        • Size 16B
        • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
        • MD5 SHA1 SHA512

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 d0e6451cd6941d17f5787eae5b3fcd14a832aa042322d35d1fcc6be6475e1316
        • MD5 SHA1 SHA512 TLSH

        memory/4892-4-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp

        memory/4892-5-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp

        memory/4892-1-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-6-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-7-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp

        memory/4892-8-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-9-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp

        memory/4892-10-0x00007FFF82630000-0x00007FFF82640000-memory.dmp

        memory/4892-11-0x00007FFF82630000-0x00007FFF82640000-memory.dmp

        memory/4892-3-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-20-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp

        memory/4892-2-0x00007FFFC52DF000-0x00007FFFC52E0000-memory.dmp

        memory/4892-0-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-182-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-185-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-184-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-183-0x00007FFF852C0000-0x00007FFF852D0000-memory.dmp

        memory/4892-186-0x00007FFFC5180000-0x00007FFFC53E3000-memory.dmp