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
    30/09/2026, 04:35

General

  • Target
    attachment20260930-1253-phtbf1.xlsm
  • Size 555KB
  • Sample260930-e77dhaeg55
  • 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\attachment20260930-1253-phtbf1.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:3476
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3752
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:3584

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            46E95E00

            • Path C:\Users\Admin\AppData\Local\Temp\46E95E00
            • Size 550KB
            • SHA256 5c5ca461284cbefe4597b021ca6bb4e4c934714363e9d23471d3a9feb0f9e5af
            • MD5 SHA1 SHA512 SSDEEP TLSH

            b8ab77100df80ab2.customDestinations-ms

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
            • Size 1KB
            • SHA256 d6540ebb138767e279050cf0fe060d6525b4095cf6e985a6003d099cedede734
            • MD5 SHA1 SHA512 TLSH

            memory/3476-8-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-9-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-5-0x00007FF9907E0000-0x00007FF9907F0000-memory.dmp

            memory/3476-4-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-7-0x00007FF9907E0000-0x00007FF9907F0000-memory.dmp

            memory/3476-6-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-0-0x00007FF9907E0000-0x00007FF9907F0000-memory.dmp

            memory/3476-2-0x00007FF9907E0000-0x00007FF9907F0000-memory.dmp

            memory/3476-10-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-11-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-12-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-13-0x00007FF98DE30000-0x00007FF98DE40000-memory.dmp

            memory/3476-14-0x00007FF98DE30000-0x00007FF98DE40000-memory.dmp

            memory/3476-3-0x00007FF9D07FF000-0x00007FF9D0800000-memory.dmp

            memory/3476-52-0x00007FF9D06A0000-0x00007FF9D0903000-memory.dmp

            memory/3476-1-0x00007FF9907E0000-0x00007FF9907F0000-memory.dmp