Analysis
- max time kernel
150s - max time network
140s - 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, 04:47
Behavioral task
behavioral1
Sample
attachment20261002-143791-f92hb.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-143791-f92hb.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-143791-f92hb.xlsm
- Size 555KB
- Sample261002-fe17fswcld
- 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 5268 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\90C85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5268 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5268 EXCEL.EXE 5268 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE 5268 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5268 wrote to memory of 5916 5268 EXCEL.EXE 88
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\attachment20261002-143791-f92hb.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:5268 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5916
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:5472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\90C85E00
- Size 550KB
- SHA256 e71b3b3ccdb08c12ce6d1fb05912910438f5adf7dde0c8603b1c11a1cd0fc0f5
- MD5 c6c4ff58cdb7d9e219af4be5cc0447e7
- SHA1 8366d7d8b4d9acc0667396265febcc7861e2a981
- SHA512 10fb76285a3e1f79c2f55f6d8089fd8fd7a62661669f53b374a981a2c870a5b18b98f4d389e3f2ff1bd013477e89aecdbb4a622e6315d262b5f86a20f7df82ee
- SSDEEP 12288:xYeJ04VK6trFlaX4pmUEo1V3rol/AWkK2yQHfa:bJRVz1PpmUEexe//ya
- TLSH T147C4121ADD68CD34D2C99878D2CE90F1416A5A459A37960F34CCA9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4K2L9YS66AH3AWMMJY07.temp
- Size 1KB
- SHA256 a8c56a37834f5562e7405d4f7c29ce6aef642f92411024b9853a9962e140a64a
- MD5 43551b6b276bf1ad6c264da6901824af
- SHA1 2f97fcf1f459a9efc7ffcd1195596135304e3754
- SHA512 ac86206d20d63332061b3c79ae0c72f4f01198ceb5fddf31fec330d9d7971c43ede67ffe85034a6d4413e64ee23f19b305698669bbf75fa09e457ba653e3fca7
- TLSH T15E2100161ACB0B97E14047352527C31AFFA0B945D710F60FAA84816F6DB9D414F4DFAB
- MD5 SHA1 SHA512 TLSH