Analysis
- max time kernel
148s - max time network
146s - 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, 23:16
Behavioral task
behavioral1
Sample
attachment20260930-527357-fu7kxf.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-527357-fu7kxf.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-527357-fu7kxf.xlsm
- Size 555KB
- Sample260930-2873ra1z9r
- 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 4748 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\FA995E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4748 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4748 EXCEL.EXE 4748 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4748 wrote to memory of 3096 4748 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\attachment20260930-527357-fu7kxf.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:4748 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3096
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1300
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\FA995E00
- Size 550KB
- SHA256 6a29b06a2448c948c68fe133c55fc1b47c2bb64a5190c7c848848d15d440e8c1
- MD5 2bc95f5af8c38ddacecd2543b53c024d
- SHA1 6db07b90ca0d02ce8a4819142faee8db25ee1309
- SHA512 8c9a51a2ed2b01a2a899e7e5e66d10f7539915b5c289798d3b78e8540d67ccb1af04a91e3a9ff35101ad58a063c7dbba0113b886164fccd8cd0e0a793d1c8f5f
- SSDEEP 12288:KYeJ04VK6trFlaX4pmUEo1V3rol/AWkKLQHfn:sJRVz1PpmUEexe//Kn
- TLSH T178C4121ADD68CC38D2D998B8D29E90E141675B459637960F30DCE9484B837FB0ECF2AD
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 29fbe82ed71eb9732d81bb89c882d8d977bd6592025e6eca4571b3d242f8d78a
- MD5 9393a468ffe177e1c178569253bb4967
- SHA1 4abe7124112dbd431019a2543ddbfbe5c45aea63
- SHA512 e75e75a1b0f14da733ac7db484ea06d03418156f8edc12645b8e138c538859271e1e3056aa1895a023b8fac748a7cf7b5e42abf9efb7c1ff4b14f906b271f72a
- TLSH T19221E60306870F1EE15987369D3B67D9C770BD039664C71F9588412F7C69141855C917
- MD5 SHA1 SHA512 TLSH