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
01/10/2026, 12:16
Behavioral task
behavioral1
Sample
attachment20261001-527357-vos7im.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-vos7im.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-vos7im.xlsm
- Size 555KB
- Sample261001-pfjs8sseqb
- 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 4256 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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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\D7595E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4256 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4256 EXCEL.EXE 4256 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE 4256 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4256 wrote to memory of 4172 4256 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\attachment20261001-527357-vos7im.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:4256 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4172
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4572
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\D7595E00
- Size 550KB
- SHA256 aa0f8e66cdd0a144802ede193800265f484005c63e2c81fb11799bc1da00d2b8
- MD5 5f07067012952e007d5a0621cc1696ea
- SHA1 6c8465b46a39b2a7dfbf11964bc7f60639ddf174
- SHA512 f4133385c5e41caf2509cb3d45ef0c254266eb03ac1fd123999fbe7c039508a0fcc90f717e77f2c960ca9a1ea53e14eac4c1bb79fdb2db0beb17363d2f4cae27
- SSDEEP 12288:UYeJ04VK6trFlaX4pmUEo1V3rol/AWkKUQHf+:GJRVz1PpmUEexe//r+
- TLSH T133C4121AD968CC38D2D998B8D29E80F140665E45D637960F30DCA9484B977FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 ca2f3cbebe19c91c962ab8ca01b0a52f29935c71e60b0ef52b936fdd5a5badd2
- MD5 c3df068dcf04348bc781647a628c64c3
- SHA1 24e327aa8ec103622e9875d36eaaae912cab8768
- SHA512 c67ad538ea596c73ca66cb1826c304f1121a94a155d4239611ae3fe1e22256ac4eacf6b74f785477d49025183d677e06572b6f1c087b40e7571d87eb5379a519
- TLSH T16321E2424EC75F6EC11043762A66871EF2707921F768932DE784422B7CB9981C91DE28
- MD5 SHA1 SHA512 TLSH