Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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:2888
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3708
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:5400
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:1800

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              1E2A5E00

              • Path C:\Users\Admin\AppData\Local\Temp\1E2A5E00
              • Size 550KB
              • SHA256 aaac60eac8a9164e8a9cba52f93d5a0ed79e9a29c78277e3b55fd5eb865237a1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              NMACSUD4JQ9C6N8H7Y8B.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NMACSUD4JQ9C6N8H7Y8B.temp
              • Size 663B
              • SHA256 2e05a34139b4779ac9c283a20904e853c4a2029805b544bc219bbb29e5205c4b
              • MD5 SHA1 SHA512 TLSH

              memory/2888-12-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-11-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-0-0x00007FFB6A3E0000-0x00007FFB6A3F0000-memory.dmp

              memory/2888-7-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-6-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-5-0x00007FFB6A3E0000-0x00007FFB6A3F0000-memory.dmp

              memory/2888-10-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-13-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-1-0x00007FFB6A3E0000-0x00007FFB6A3F0000-memory.dmp

              memory/2888-2-0x00007FFB6A3E0000-0x00007FFB6A3F0000-memory.dmp

              memory/2888-14-0x00007FFB67860000-0x00007FFB67870000-memory.dmp

              memory/2888-9-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-8-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-15-0x00007FFB67860000-0x00007FFB67870000-memory.dmp

              memory/2888-16-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-3-0x00007FFB6A3E0000-0x00007FFB6A3F0000-memory.dmp

              memory/2888-56-0x00007FFBAA2A0000-0x00007FFBAA503000-memory.dmp

              memory/2888-4-0x00007FFBAA3FF000-0x00007FFBAA400000-memory.dmp