Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/09/2026, 16:24
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260913-1523309-ylusbm.xlsx
Resource
win10v2004-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260913-1523309-ylusbm.xlsx
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target attachment20260913-1523309-ylusbm.xlsx
- Size 114KB
- Sample260913-twb6jsam2t
- SHA256 4fc50abe4214a380c881eb7b71ec71d2ee63a4ce87138e008dbe800a298df280
- MD5 bb6322859e1cc993ffe60eb2325d9495
- SHA1 7d6387b3c3748b33ea33d61963004fe4c601676a
- SHA512 72148e5dcc2d6a1d28e941a846cd9c700086bb8f3fe0f1460b88086eca7201982a0705db45d6667665ef6b643798bcf1b21223949a2d4f05052c03cdf08f79fb
- SSDEEP 1536:klYSVNHKTVOPDkU2EKA4HDSFHeEQHCr46pkwY9nA4USn9RcLHvs5dOF+RKwm+nuj:kxVNHKTVQYUkEQoYNJ90HvEkF+D/nH4n
- TLSH T17FB361988C7AA00DD0773FB49BB6A095E771F6A13F0E5E1B02AC74741EAEC39D781445
- 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 2280 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2280 EXCEL.EXE 2280 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 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 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 EXCEL.EXE 2280 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\attachment20260913-1523309-ylusbm.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2280
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 3KB
- SHA256 6830f0c800c9d5e2541265d09aef2a118c7a42caa3b6638559aa33e9d2617e6b
- MD5 de22839f5aeae0083b3e507da53a7f61
- SHA1 23f4f8f06335ade97a18bb358a28358d709aaf1b
- SHA512 85490cf434d9fc3255396d9a5e263c5d2e49cb90cda2adff0ae9eb4e20d7948a048b9001f3f3e2e717772b76d4a1b57bc33a64434eee3dff1fdfc38c7f3f438a
- TLSH T1D651D2024AEB1E1FE426C2F6BB3A4716D270BE11AB40537DE6C5913A7D79400CD9DE17
- MD5 SHA1 SHA512 TLSH