Analysis
- max time kernel
148s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 10:25
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260930-1253-nrbl84.xlsx
Resource
win10v2004-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1253-nrbl84.xlsx
Resource
win11ltsc2024-20260911-en
4 signatures
150 seconds
General
- Target attachment20260930-1253-nrbl84.xlsx
- Size 13KB
- Sample260930-mf2myazbmc
- SHA256 285784851d15222d72621148e673567630bfd863294654c966aa679d82fd032a
- MD5 b97e02d872014f6f3ad6be004d84bed5
- SHA1 adf2f053171fe54370cd691fb699d58fca69b6a1
- SHA512 b39c7fe01dc12ae62b272a9954e4330de97c1b847e78bbe244d4b3c2277a9eb13f3cad626e0ec81a102a7688392623f77c8e33dd6d59d13901ca0c6c21bd6e5e
- SSDEEP 384:ZShl19ZwYUoYmeoo10jUJiadaDgyM3eyln:019SVDmxoSa0m1ln
- TLSH T10D527DA93E1F8494CB5FE07CDB1411E55A8EE263819636477060F19C6ECB7E40F9B065
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10
Malware Config
Signatures
- 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4632 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE 4632 EXCEL.EXE
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-nrbl84.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4632
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3532
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 c42d7f4e83b04ab90b0527d66bc16d4698c8c6e89d00639c963eb39a342ebc23
- MD5 e4a80e0e74b50deccd2e0b281dccf0e7
- SHA1 8612400ca958763971a554ab9041ba3806178d08
- SHA512 795466a04809e5090e9e6ba1e37bded669a1c1856d2c6e786430954c28d2fd43bbc0fbd06829bdcc7ba6677ad6327fa792360ad15f67cecf2d6a1ae58556d78f
- TLSH T17821E60617670E49D12C9B765E2B8799E7717C01D704C34ED5A4612F6C76D008E1EFDA
- MD5 SHA1 SHA512 TLSH