Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 16:13
Behavioral task
behavioral1
Sample
attachment20261001-527357-g8utud.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-g8utud.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-g8utud.xlsm
- Size 555KB
- Sample261001-tpbansxejf
- 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 620 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\E7495E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 620 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 620 EXCEL.EXE 620 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE 620 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 620 wrote to memory of 3528 620 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\attachment20261001-527357-g8utud.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:620 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3528
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4380
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\E7495E00
- Size 550KB
- SHA256 9e824933a6f3e70819137563ad1b998830707859051fdb707bc9ea229fb7fd13
- MD5 57e7b996f8098040284361a215f56e79
- SHA1 29287e06d31f2e64a2a5339ce6e991b9d543f7c9
- SHA512 a00bd856a1353fdc72ac46906dbd848c0c8076103d07794c3a1a29d15e61a34a8b3818c979fac9fe2fa5dc4648eb1d7ba77e5ab4769417a8d27e30ee18366260
- SSDEEP 12288:PYeJ04VK6trFlaX4pmUEo1V3rol/AWkK9JQHfa:5JRVz1PpmUEexe//Oa
- TLSH T100C4121AD968CC34D2C9D878D29E90F141265A459637A60F30DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2WA4ECB1VFUORI92OB0V.temp
- Size 2KB
- SHA256 73da08f58e33921409b7bb52018f10d79c6c2bfef93c2d669457343f01b1f807
- MD5 cf0f91ec49725c678db9a9027fd7dfea
- SHA1 64212891ff209a186cb120deea20f8a12bd0518c
- SHA512 14af80c660bf91533dde09b02adde98b10ac8f792bc1c95c7cf3b9f74ca37d9fa207a06cee384d88afc90fe99a27f9953d422bfc398e20a2e83a83850ed2fc16
- TLSH T1B55101430E870E1BD074537A3B27CB3FD6317909B624C24FA789651E6EE25409AADE1F
- MD5 SHA1 SHA512 TLSH