Analysis
- max time kernel
149s - max time network
142s - 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, 10:38
Behavioral task
behavioral1
Sample
attachment20261002-278819-31caj3.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-31caj3.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-31caj3.xlsm
- Size 555KB
- Sample261002-mpj49ax18r
- SHA256 7dc6e3106413ad883680745af653b737bc9ae0b2d2599eeb7ee45aeea3a4494f
- MD5 39aa1923e02ff1b6ba0730167cc55165
- SHA1 e78df3924af4b8006325a97a0be7722606c8c60f
- SHA512 54a89b3528b9b09ad04c81bb31af3ce09b53a85f4009a38c5827b99c8ed8af84e0ffbbaae3ab02ae8d0a54b07df3f786ee5a92070c347bb2c5bee35367e84c08
- SSDEEP 12288:stqRgLFbA4XUTzCpOrYUsEV3lol/AWkf/SaBQHD:s+gLNITztKExs//MSJ
- TLSH T1F5C42319E3489C28C25F84B8E1DC10E582AB2B51E522F60F3CACB95C5F9D5774ECE399
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 452 EXCEL.EXE - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\6E895E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 452 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 452 EXCEL.EXE 452 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 452 wrote to memory of 4736 452 EXCEL.EXE 90
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\attachment20261002-278819-31caj3.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:452 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4736
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\6E895E00
- Size 550KB
- SHA256 c42c0376d6264c573a987832cbabd0f61cc21d7ca49eff83b61c18f9c114d66f
- MD5 f03c4819b8540cd851112327d5193af9
- SHA1 40bde1e27ff49c77b46e4eb3f13fc0ef56d96dab
- SHA512 4575298771e6152bc686bec79021d1aa589bc837a4d620d6e2d275e9da7fce79fd454ef57b95b05f65df0cda7356104cc8fb22d04226f8fa1cc7c4086ba7159c
- SSDEEP 12288:eYeJ04VK6trFlaX4pmUEo1V3rol/AWkKHQHf+:IJRVz1PpmUEexe//C+
- TLSH T16DC4121ADD68CC38D2D998B8D29D80F140665A459637A60F34DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0L3M83HRPZGAJGDTLPG9.temp
- Size 1KB
- SHA256 e24056b3d1b0c1eedaf589dba425b502b4d8fcf9ada419f2642ae7d42c30337a
- MD5 e008a1038f363e925ce6d3a5a1c76e9a
- SHA1 701c93b3ca1e08bc992b9ce5df610ee3342cf973
- SHA512 91fb852799557abc5e1c561728c149f446aaaa1def7433c81097f27cad3d84abb7c320b19f4399479f1a5c19ad3157d2aeaa7dcd3877a690b35a296b76aa6fbd
- TLSH T1204130015E474FA3E43009B911278F11C7307E02EB29A61EB18472EF7DB6C414AAFA6B
- MD5 SHA1 SHA512 TLSH