Analysis
- max time kernel
149s - max time network
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 02:44
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260807-1169-ytupgi.xlsx
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260807-1169-ytupgi.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260807-1169-ytupgi.xlsx
- Size 114KB
- Sample260807-c76e4ay1by
- 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 7028 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 7028 EXCEL.EXE 7028 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 EXCEL.EXE 7028 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\attachment20260807-1169-ytupgi.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:7028
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 2KB
- SHA256 c2c82ae3bd4719aaf91e2b269fb1f4ddea0d1e82095d5413029990268bc97644
- MD5 5975a378214e3362e9236d5f180a04c6
- SHA1 f9fe693c8e5c63317a2a3822a543fb4433aea434
- SHA512 25f63fb04c3e9d71e9504bacb0bf5bc7f09ba8d5d2eb2f689db2cb36fe9e0b8c6e7c9f743fb61488742b4fadaa1f3452011ccfde56f061ae0b5f3edae00541ba
- TLSH T1765103022F9F5B0FE0BA0676AF3B8795D220F821B714970D5544126F6D75850CE5DB2F
- MD5 SHA1 SHA512 TLSH