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
    02/10/2026, 13:04

General

  • Target
    attachment20261002-278819-iavci1.xlsm
  • Size 555KB
  • Sample261002-qa82lstejg
  • SHA256 7dc6e3106413ad883680745af653b737bc9ae0b2d2599eeb7ee45aeea3a4494f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 1 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\attachment20261002-278819-iavci1.xlsm"
    1⤵
    • Deletes itself
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2616
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1380

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            4E095E00

            • Path C:\Users\Admin\AppData\Local\Temp\4E095E00
            • Size 550KB
            • SHA256 70e140b590b28d4baab1d42677047d3e434c0aabd710543db04381a724f9fef7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            IZZYBMMP2FOMW9RU9UPY.temp

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IZZYBMMP2FOMW9RU9UPY.temp
            • Size 1KB
            • SHA256 9ff07caf2d3e76923dc7458468af67ed1f1e58210b36e4d937d4f57cfb77a1e0
            • MD5 SHA1 SHA512 TLSH

            memory/1240-9-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-10-0x00007FF7FD1C0000-0x00007FF7FD1D0000-memory.dmp

            memory/1240-6-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-7-0x00007FF7FF830000-0x00007FF7FF840000-memory.dmp

            memory/1240-5-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-3-0x00007FF83F84D000-0x00007FF83F84E000-memory.dmp

            memory/1240-0-0x00007FF7FF830000-0x00007FF7FF840000-memory.dmp

            memory/1240-4-0x00007FF7FF830000-0x00007FF7FF840000-memory.dmp

            memory/1240-8-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-11-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-12-0x00007FF7FD1C0000-0x00007FF7FD1D0000-memory.dmp

            memory/1240-1-0x00007FF7FF830000-0x00007FF7FF840000-memory.dmp

            memory/1240-44-0x00007FF83F7B0000-0x00007FF83F9A5000-memory.dmp

            memory/1240-2-0x00007FF7FF830000-0x00007FF7FF840000-memory.dmp