Analysis
- max time kernel
148s - 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
30/09/2026, 06:55
Behavioral task
behavioral1
Sample
attachment20260930-1253-9ywzlt.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1253-9ywzlt.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-1253-9ywzlt.xlsm
- Size 555KB
- Sample260930-hp599ssw9j
- 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 3732 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\34595E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3732 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3732 EXCEL.EXE 3732 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE 3732 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3732 wrote to memory of 6000 3732 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\attachment20260930-1253-9ywzlt.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:3732 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:6000
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:5324
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\34595E00
- Size 550KB
- SHA256 fbc8410fa5f0b10904f248227a3d4ec8b98815a1d12698bf53313517fe8f25d6
- MD5 fc39a6306c5d7f92ea97914841093f6a
- SHA1 7753dd5396d4696a9028ad36435dc03817196bf7
- SHA512 ffd045db0e3c6c2f248fddb99ed9f09b1e455d9b1d6517fd05e4ccd72257bb2119299830e6f2650080cfbe6b218204fff2c89ec4b2ab4efbd1250bd8681041f3
- SSDEEP 12288:zYeJ04VK6trFlaX4pmUEo1V3rol/AWkKV0QHf3:VJRVz1PpmUEexe//TJ3
- TLSH T1FFC4121ADD68CC38D2D998B8D29E90F141661A459637960F30DCB9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 9dfffe0fbf173342375e6474b45b13dfad6ee3c10409e998a1d42bb34b200117
- MD5 dc74ea7c4803140d26222602e8e449e1
- SHA1 92808bb61ba6c7670044fa47b25d380ddab6b576
- SHA512 affc63979106abaa5ab5d3040cafed515479ed32fc33b85fb98a2cd76747d39a3774490ac2ae4b3678546d1a6e95d2abcefededd68c7b70509f7b0e53094aaf1
- TLSH T1FA51EF015BC79FB7E05186722A398325E3617902B731930E2B84296E7DB2D01DA9E73F
- MD5 SHA1 SHA512 TLSH