Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 23:16
Behavioral task
behavioral1
Sample
attachment20260930-527357-fu7kxf.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-527357-fu7kxf.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-527357-fu7kxf.xlsm
- Size 555KB
- Sample260930-2873ra1z9r
- 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 1524 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\64D85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1524 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1524 EXCEL.EXE 1524 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE 1524 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1524 wrote to memory of 4188 1524 EXCEL.EXE 89
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\attachment20260930-527357-fu7kxf.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:1524 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4188
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\64D85E00
- Size 550KB
- SHA256 aae814a262440d0495d82703df6bc39636945a41e21c4898f847234ab78b9690
- MD5 396642873dcb5650e7cd2d4b64cb115a
- SHA1 ddd240f783f2a1bfa2f7d24a7800a9b132e40f9f
- SHA512 582da771a13a25f78ee2ba7cb878158748c01ae26c72d2ca0dfa300301dac54f93426850305367cdd2c96edf00e43a32d6b124d99511dfd1a1bd942ae97e034a
- SSDEEP 12288:oYeJ04VK6trFlaX4pmUEo1V3rol/AWkK/EQHf+:yJRVz1PpmUEexe//tZ+
- TLSH T140C4121AD969CC34D2D998B8D2CE80F141665A459637960F30DCE9484B877FB0ECF2EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 3KB
- SHA256 89c1657abd9dd87547a50b7351cd936936a68981c5590824af58f0b7ceb6921e
- MD5 5420a2bf70cff95aed91954480bac52a
- SHA1 329fd04e2bce1e9c2163f9bc8cb3d414087a5e30
- SHA512 fee74904e90fe73be671d2a576cd06dfa4979e17812d07d419c79ece87653500c6dcd48861c30aa300a0031b450017c7090184af43d61363e19f81e0e7f2b2e3
- TLSH T1C4610002C6AB1E5BC13D83B51A3987AAE7717C92FB09B24E77C4220E1C714004B5EEE7
- MD5 SHA1 SHA512 TLSH