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
    25/09/2026, 16:24

General

  • Target
    attachment20260925-764-skl6oc.docx
  • Size 104KB
  • Sample260925-twbvsaff29
  • 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 7 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\attachment20260925-764-skl6oc.docx" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        sist02.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD904E.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • 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 6a6f45c5d875989d800173fa2db2c1871e0ee5d5602c892399d5cfe408e482c0
        • MD5 SHA1 SHA512 TLSH

        memory/3908-8-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-14-0x00007FFD087D0000-0x00007FFD087E0000-memory.dmp

        memory/3908-9-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-0-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-5-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-7-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-6-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-10-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-11-0x00007FFD087D0000-0x00007FFD087E0000-memory.dmp

        memory/3908-13-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-12-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-1-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-3-0x00007FFD4B14D000-0x00007FFD4B14E000-memory.dmp

        memory/3908-24-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-4-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-2-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-197-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-200-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-199-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-198-0x00007FFD0B130000-0x00007FFD0B140000-memory.dmp

        memory/3908-202-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp

        memory/3908-201-0x00007FFD4B0B0000-0x00007FFD4B2A5000-memory.dmp