Analysis
- max time kernel
149s - max time network
140s - 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, 01:38
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260930-1092870-udnmus.xlsx
Resource
win10v2004-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1092870-udnmus.xlsx
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target attachment20260930-1092870-udnmus.xlsx
- Size 114KB
- Sample260930-b2dbpaxdmc
- 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 1672 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 EXCEL.EXE 1672 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\attachment20260930-1092870-udnmus.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1672
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 e4d27f03a206f4ffc890d08937ee7b8130ae550d7a1074e0be2dde820fc61865
- MD5 abf97aa9fe8e6f59066bfce7add362fc
- SHA1 842e82d5ded2a47b23933d813d0d49c1267289e4
- SHA512 98f64332f6f7b08cc134f8fa8809339ea2c36e8833864167f3eb0f80917036fbecd81aec6f7e8adfe0e2816aec70a10f41295ccdd906c85f85e46c2922454973
- TLSH T1D821D31216C61E5BE01D82BD567A936EF734FC13D644936E3148039F7CF9400956E79E
- MD5 SHA1 SHA512 TLSH