Analysis
- max time kernel
149s - max time network
151s - 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, 12:28
Behavioral task
behavioral1
Sample
attachment20261001-527357-ivfjuf.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-ivfjuf.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-ivfjuf.xlsm
- Size 555KB
- Sample261001-pne51stdla
- 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 2280 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 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\D7985E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2280 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2280 EXCEL.EXE 2280 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2280 wrote to memory of 3932 2280 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-ivfjuf.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:2280 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3932
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4580
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\D7985E00
- Size 550KB
- SHA256 b5f59542166fd74c6478bc214e5640de762a47992426f220726b9f0fb41dd3aa
- MD5 9f97a7c480a6e4b295f82288225a8228
- SHA1 23f2714f86a4b9b2f776bf223414a79dffeb82cb
- SHA512 d41c77c4a40aa7e6573e2c699c39a84dda889e645cec7e8a990e948cdbddef5fd9a2fb691633a05da47a68dec9fd2d147973f1564c295dcd4fa06d9be72ba28e
- SSDEEP 12288:7YeJ04VK6trFlaX4pmUEo1V3rol/AWkKvQHfk:dJRVz1PpmUEexe//Kk
- TLSH T1A7C4121ADD688C34D2C998B8D29E80F1416B5A45DA37960F30DCA9444B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 e835d115cc8c8bedb3e68bfe58cb923080ad5b2e5bea83e0cafc157d5c962a97
- MD5 50adbf4779ea92c57433bb3b6396f6dc
- SHA1 3fef1c1b778fde31b01521bc654187ba8d756912
- SHA512 54913d1fbfa2a3745a9884a51341e3fae03a6527e613fa0ad9ba507c67fa40748e0902f6586307e6dae85eba83b859f31e5b5b430255b58d3631377baedb5f9c
- TLSH T139411202EAEB0A5FD13892735E3587A9E3617C92AB40930DA249625F1CB5410678DBD7
- MD5 SHA1 SHA512 TLSH