Analysis
- max time kernel
149s - max time network
145s - 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, 12:28
Behavioral task
behavioral1
Sample
attachment20261002-278819-b5u7pd.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-b5u7pd.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-b5u7pd.xlsm
- Size 555KB
- Sample261002-pnffsa1grb
- 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 3064 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\2C585E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3064 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3064 EXCEL.EXE 3064 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE 3064 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3064 wrote to memory of 2732 3064 EXCEL.EXE 91
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-b5u7pd.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:3064 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2732
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2C585E00
- Size 550KB
- SHA256 b5f03d350d295d77af790a7c25e807871e8a0951f926d336f6ab62904ab4a0a8
- MD5 246e4de86024592e10eacbb064bf8f85
- SHA1 d2963c71b4f850e6a2a2089accbae93acd638e9f
- SHA512 e35d867887e65904d53043ede530d7c33bf9306507bc3b1978151c1417fb5853b88f71ca924bcba8a1a5b1f9b2c0001a1e03432f11247237f28e629df43cfdbf
- SSDEEP 12288:LYeJ04VK6trFlaX4pmUEo1V3rol/AWkKEQHfJ:tJRVz1PpmUEexe//TJ
- TLSH T1CFC4121ADD68C834D2C998B8D29E90F1416A5A419637960F30DCF9584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH