Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 14:36

General

  • Target
    attachment20260802-1169-4dfu2u.xlsx
  • Size 15KB
  • Sample260802-rykvcsvema
  • SHA256 89d9f6bb65099039c3f1c946823c62167eba2c451b6fcb741cf88a07a2d3b87a
  • 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\attachment20260802-1169-4dfu2u.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4556

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 9f51281f58288553df4d44fe41b681897add508b314011fd0b45144e756d3e41
        • MD5 SHA1 SHA512 TLSH

        memory/4556-4-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-10-0x00007FFC31C80000-0x00007FFC31C90000-memory.dmp

        memory/4556-3-0x00007FFC73E0D000-0x00007FFC73E0E000-memory.dmp

        memory/4556-2-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-5-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp

        memory/4556-6-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp

        memory/4556-7-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp

        memory/4556-8-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-0-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-23-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp

        memory/4556-9-0x00007FFC31C80000-0x00007FFC31C90000-memory.dmp

        memory/4556-1-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-47-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-48-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-50-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp

        memory/4556-51-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp

        memory/4556-49-0x00007FFC33DF0000-0x00007FFC33E00000-memory.dmp