Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 11:10
Behavioral task
behavioral1
Sample
attachment20261002-278819-bqgv83.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-bqgv83.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-bqgv83.xlsm
- Size 555KB
- Sample261002-m98cksyclf
- 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 4400 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\E0D85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4400 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4400 EXCEL.EXE 4400 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE 4400 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4400 wrote to memory of 5412 4400 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-bqgv83.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:4400 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5412
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4240
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\E0D85E00
- Size 550KB
- SHA256 2fab122ba27931c75cb6a9b8fc7704e61dee94cece6b3a241ee79bce58aec577
- MD5 a8819ad292d91ae8a718b92a701107c5
- SHA1 906edd37978d830c0e4bcb5d80fa7978c5460aef
- SHA512 6cbdcd200032c8cd477996d2251bfe134122462446be09779feafc9e57b8d8ca996db547d2dddc5340994d4ed96ca3b4c6a2ed0b261131e4d043ba3878b7a6bf
- SSDEEP 12288:nYeJ04VK6trFlaX4pmUEo1V3rol/AWkKycaQHfR:RJRVz1PpmUEexe//4cbR
- TLSH T155C4121ADD68CC38D2D99878D29E90F1416A5A459637960F30DCE9484B837FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH