Analysis
- max time kernel
148s - max time network
142s - 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, 08:55
Behavioral task
behavioral1
Sample
attachment20260930-1253-eb74g1.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1253-eb74g1.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-1253-eb74g1.xlsm
- Size 555KB
- Sample260930-kvvf3a1wgt
- 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 4640 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\9B595E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4640 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4640 EXCEL.EXE 4640 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE 4640 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4640 wrote to memory of 4604 4640 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\attachment20260930-1253-eb74g1.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:4640 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4604
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4104
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\9B595E00
- Size 550KB
- SHA256 a6cb10a955f275e9189e47885409dd734e4317f4f2d60388d47daf13f29eba75
- MD5 7fb7df44df6681960040c45f15757287
- SHA1 b978307ddab12e8900a5d1ead7e072abbc26a1f3
- SHA512 3063dba15fe2d91138c66f4ea82f818f3314b4ee23f08138128070e7418b7346a11bc027eabe332c5f6822801b5e5e902636a0f1f68cfd3573b63b490c5a3d4d
- SSDEEP 12288:ZOYeJ04VK6trFlaX4pmUEo1V3rol/AWkKTQHfJ:2JRVz1PpmUEexe//yJ
- TLSH T12DC4121ADD68CC34D2D99878D2DE90E141261A459A37960B30DCB9584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 f0e3a4b0e9f0c21b1b24039b901a18aae69b7325e6d577b9469c2a81ba9fadf2
- MD5 e1f33c4627bd9c2715204e3b9a4fa52a
- SHA1 8b81f4840b36064d66a1e33049fe941c8bf435f3
- SHA512 a417572ccbbe8eda08977e152b38f86cf82c868a7a5d0c39b7bfdc7e63c89e212a0555b44db32999aaad94faeed2f7f8d80a0ed3941a6a2a551fa5fd4557c25c
- TLSH T1913100070B8F0F4FD06443B32A36936BE770BC1B9A52AA1D52C41A2F2C74904F848E5E
- MD5 SHA1 SHA512 TLSH