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
29/09/2026, 16:49
Behavioral task
behavioral1
Sample
attachment20260929-1000678-8dkcyw.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260929-1000678-8dkcyw.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260929-1000678-8dkcyw.xlsm
- Size 555KB
- Sample260929-vb7bmaxhlf
- 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 2772 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\8BE85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2772 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2772 EXCEL.EXE 2772 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE 2772 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3904 2772 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\attachment20260929-1000678-8dkcyw.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:2772 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3904
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\8BE85E00
- Size 550KB
- SHA256 b3aa7a777d9ea1d1c02e92fc23d1c1d661ba90e650b28077ef5d6dea9d045e65
- MD5 fb43eeb5e771c09da4f3ee36b8235623
- SHA1 73d8989d80b52aacd3caa315fbd38ea6c82b2508
- SHA512 22a68a1e9b89faaae10108d30e4c7af9425989a70c7f4cc32900e1bcd9d4df0c9c5321b7a82f86e5aa17e542460fbcf17e547cd6349f74806f5d8658861bd632
- SSDEEP 12288:XYeJ04VK6trFlaX4pmUEo1V3rol/AWkKVQHfX:BJRVz1PpmUEexe//IX
- TLSH T1EEC4121AD958C838D2C99478D29E80F141675A559A37960F30DCF9488B877FB0ECF2EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 3KB
- SHA256 a7a008e622d29983ade23da31ed7a22e51df07758e93dd4f9ed8e1b3c14ce4df
- MD5 7003a84dcde9ea40011d5e9376085899
- SHA1 cf8b72378383192c41e7de08c86c914aa010470a
- SHA512 65dabfed209b723b8a78a369e8a81f2987fc2668e66f01717d475ba2cbab2b4595c22e2fb494aa4c94526bc88b3dfb8769cb36ecbb062a5529bcd26bd947ce43
- TLSH T1CF8153411B871F1FE9288735263B8367F720BA02EA20521D3384344E3D7A970E65DFAB
- MD5 SHA1 SHA512 TLSH