Analysis
- max time kernel
148s - max time network
133s - 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, 15:05
Behavioral task
behavioral1
Sample
attachment20261001-527357-8ylcs2.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-8ylcs2.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-8ylcs2.xlsm
- Size 555KB
- Sample261001-sf9ansef26
- 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 4272 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\09695E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4272 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4272 EXCEL.EXE 4272 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE 4272 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4272 wrote to memory of 4312 4272 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\attachment20261001-527357-8ylcs2.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:4272 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4312
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09695E00
- Size 550KB
- SHA256 aac68a7ebe2238e900e8647206281ca30d443873542bf55257d62bb74aa30628
- MD5 51c4ce00198bde9e6100893d391c1569
- SHA1 80840776240a6287af2e204d4ada355c850f93c4
- SHA512 bdbede8152ef230dba685d8ff27b6be966ea8a065a4e3d0f681a99ab183482b133c545ce67f91d509e039241c68cf717ed2fbd588072f3c7f2330ab702885f91
- SSDEEP 12288:5nYeJ04VK6trFlaX4pmUEo1V3rol/AWkKbQQHfg:DJRVz1PpmUEexe//Hg
- TLSH T1EAC4121ADD688C38D2D998B8D28D80F141675A45D637960F30DCAA584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 c79d48a737310b52c2747e3b449843b32aa4e04a651e3f4057046ac6b2fdcd0b
- MD5 7d7ce06106732d8fed955b65b068f0f9
- SHA1 893247643a1d9b5cede0dc51f36d2c9f3372d33c
- SHA512 7996b169bf3ac67beffaf8d9e17e997ca906314de037a6dbd3b01c8b61adfafadb84005a8e386d9043d98843acc466334c9d6b09998f295673d976f3a6d4f060
- TLSH T10D51C1020A970F5DE03A83765E29CF69E270BC0ADB50928E67D4615B7CA6500CF5EEDE
- MD5 SHA1 SHA512 TLSH