Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 21:34
Behavioral task
behavioral1
Sample
attachment20260930-527357-uc9koh.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-527357-uc9koh.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-527357-uc9koh.xlsm
- Size 555KB
- Sample260930-1es63aws7n
- 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 5164 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\F6E85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5164 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5164 EXCEL.EXE 5164 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE 5164 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5164 wrote to memory of 2528 5164 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\attachment20260930-527357-uc9koh.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:5164 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2528
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1052
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\F6E85E00
- Size 550KB
- SHA256 cad0a3cd855cbd3476fae3d5f667ffa104210a88ac928155843e5054c178e2b6
- MD5 cdc91b9c5d88e72e90adbf76d26a433d
- SHA1 9809d92fa1468f3075cdb7beb22f47df9b163782
- SHA512 dee9f01ddc9778082b3f3c91e85eb6a217adee917a96bc31a74cd90a3ffef81588b088bfe9e1eb8d472d6436da847c9a4c162116937c3ec6f711f57cfaa9b917
- SSDEEP 12288:FYeJ04VK6trFlaX4pmUEo1V3rol/AWkKWYQHfW:HJRVz1PpmUEexe//gW
- TLSH T1AFC4121ADD688C38D2DA9878D29E80F141675A419637960F34DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH