Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 14:04

General

  • Target
    attachment20261001-527357-xxk8xg.xlsm
  • Size 555KB
  • Sample261001-rdp9cade86
  • 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\attachment20261001-527357-xxk8xg.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:3764
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4992
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:240

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            806A5E00

            • Path C:\Users\Admin\AppData\Local\Temp\806A5E00
            • Size 550KB
            • SHA256 f39300e9e8e2622c852335c522829703a6c2bbaaa4711d064d729d50113123b3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            b8ab77100df80ab2.customDestinations-ms

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
            • Size 2KB
            • SHA256 884b3b9451e67edcd1c1a4a18071776e02761bdcc734c3d6e3e67a30764f5883
            • MD5 SHA1 SHA512 TLSH

            memory/3764-4-0x00007FFB30F80000-0x00007FFB30F90000-memory.dmp

            memory/3764-5-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-8-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-10-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-11-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-9-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-0-0x00007FFB30F80000-0x00007FFB30F90000-memory.dmp

            memory/3764-7-0x00007FFB30F80000-0x00007FFB30F90000-memory.dmp

            memory/3764-12-0x00007FFB2E250000-0x00007FFB2E260000-memory.dmp

            memory/3764-2-0x00007FFB30F80000-0x00007FFB30F90000-memory.dmp

            memory/3764-1-0x00007FFB30F80000-0x00007FFB30F90000-memory.dmp

            memory/3764-13-0x00007FFB2E250000-0x00007FFB2E260000-memory.dmp

            memory/3764-6-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-52-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-51-0x00007FFB70E40000-0x00007FFB710A3000-memory.dmp

            memory/3764-3-0x00007FFB70F9F000-0x00007FFB70FA0000-memory.dmp