Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 3640 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\A1095E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3640 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3640 EXCEL.EXE 3640 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE 3640 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3640 wrote to memory of 1400 3640 EXCEL.EXE 88
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:3640 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1400
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\A1095E00
- Size 550KB
- SHA256 b5b54232212d31e9635c3515b00f4c1b6b4092e65ca814b461922a4e3e30d651
- MD5 aa60da6360c20c80178117a3779439d6
- SHA1 267495a42ed8a4e21a21014f81cf07d2e6aef4c4
- SHA512 5ea61256addcbfbaef883dc766dea99d6e80157576acf372066069b7f85743ed9002b75cf97e3850af4855741960857cfe24d6c2bdb7094139f2488d8f7c875e
- SSDEEP 12288:JYeJ04VK6trFlaX4pmUEo1V3rol/AWkKgQHf1:zJRVz1PpmUEexe///1
- TLSH T130C4121AD959CC38D2CA98B8D29E80F141265A45D637960F30DCB9584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 26bb15f9bd81b18ba8a5b64652f32ff06bca4ab0cf2078cc70ccc11abf9d542d
- MD5 f5a91cbd28cb0bf85d72d4c28f7a12ad
- SHA1 07c9bac006621c8108773710c99bdb09843b0e13
- SHA512 d24a516f8fe21c3091f2735c2a35242ec32302119c912696c66b7e490d365774ce4a07b433afaac6688581bac6633b205594090c273e6e8bd20286d517a360bd
- TLSH T1DF41220687B30A5FD03D82B12739C769E3B07C02E756E20F5604112E5E79240CA6EBF7
- MD5 SHA1 SHA512 TLSH