Analysis
- max time kernel
148s - max time network
131s - 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, 12:20
Behavioral task
behavioral1
Sample
attachment20261002-278819-6aijiv.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-6aijiv.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-6aijiv.xlsm
- Size 555KB
- Sample261002-ph47ys1dnc
- 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 1428 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\30395E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1428 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1428 EXCEL.EXE 1428 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE 1428 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1428 wrote to memory of 5536 1428 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\attachment20261002-278819-6aijiv.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:1428 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5536
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\30395E00
- Size 550KB
- SHA256 bb2a877ebf1fbaa120f245e28bd1a0defc880df591c4d44b524cbe53de9db39f
- MD5 3eb3f469d9d8a1e6ab8ffbd649e149bb
- SHA1 d3cf2e8a43d506083b9cabeb4b461df69d56ea85
- SHA512 9667f2046647f1e95b474394b9aaed6170cecbed1caf745fe5ab06a5496adc10c077662e0cb2c3aceb5f5cd92d977ed0b74bbeb8107a7dd9419830d554cc7f56
- SSDEEP 12288:fYeJ04VK6trFlaX4pmUEo1V3rol/AWkKDQHf3:JJRVz1PpmUEexe//m3
- TLSH T1B6C4121AD968CC34D2D9D4B8D29E80F141665A459637960F30DCEA484B877FB0ECF2EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\B5V6I4QLX0XIRZJAZGVH.temp
- Size 3KB
- SHA256 e5da0409a93e72584dafbfcddabc4eace94c2da8868844511f00faa2bf3ac4a0
- MD5 42ffd4c996c6674e7e9a37e2f99021e5
- SHA1 d027da27d4b5b8acbc04bab94ed16c00dd0bad08
- SHA512 bb2b28806b8b9dca41dbbb8a0113c9a3be39cd7b2e1d8619ddd0b7c189e8d5b6b40ced30f4cabaa273f24de327e5df60f310dec7e58f6dfbc5085cd678494cd3
- TLSH T1135101130AC30E1FE46407B23B3B876FE2357956A620D22EF248D61F6EB55409B4CAD7
- MD5 SHA1 SHA512 TLSH