Analysis
- max time kernel
149s - max time network
142s - 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, 16:13
Behavioral task
behavioral1
Sample
attachment20261001-527357-g8utud.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-g8utud.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-g8utud.xlsm
- Size 555KB
- Sample261001-tpbansxejf
- 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 5368 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 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\77785E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5368 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5368 EXCEL.EXE 5368 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE 5368 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5368 wrote to memory of 5852 5368 EXCEL.EXE 87
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-g8utud.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:5368 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5852
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3920
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\77785E00
- Size 550KB
- SHA256 e810ecba96bb0f7ba13986a9b08a7db42961959041cd79afcb78116fc63ff68a
- MD5 78c735fda1e33e36d9336e1aa9af0b7a
- SHA1 1b44f06ff29cdd60f34b260cbea1d03404ad0e76
- SHA512 afba1424ba35397ec6cb70988c5a2a6f6bbd9d8e22e4e7adbca4b3c3f1a3c310ee8dc60bac9226ee615336ec9cd8e6a28b8774c1b0c9fac9aa723750fd0961df
- SSDEEP 12288:3YeJ04VK6trFlaX4pmUEo1V3rol/AWkKpQHf9:hJRVz1PpmUEexe//c9
- TLSH T1D6C4121ADD68DC38D2C998B8D29E80F140665A459637A60F30DCFA544B477FB0ECF2AD
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 711209a51a17c09923acd29aeae2216c8b75f6f971e382b222a61134c9cd4ccd
- MD5 c36cd7776aa68527eb7b51c476a837a4
- SHA1 3cf1ea0974c3095ac3ba5689a844fd4b7267fe00
- SHA512 dff75c0719615ce68649bf871eb9a90e163eee4c32fda5a2bc72c514797473ed2b585e4e7886d3729c79b93d38de268af0fd476e2a8410d7ebaea5e6eb7d1717
- TLSH T14721000116CB6F73E4A482351A768306F721BE536B26820D6B406A9F3CF0500AD9D63F
- MD5 SHA1 SHA512 TLSH