Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 01:52
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260723-1093-covuvt.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260723-1093-covuvt.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260723-1093-covuvt.xlsx
- Size 17KB
- Sample260723-caewwavsa1
- SHA256 0d86fc0a998967a5364e9fc7582f108b01973d90dd0d3d8fd7d55221ed17c47c
- MD5 451c6ea821ad114abafabe447c96c112
- SHA1 473adb6d8657712760af952aa61bf8e1580676a4
- SHA512 5a407331886a5542e7d65952e5e5daf89a2c373d773cc224f8eb809df38ad1879a7b6c0af1a418c6e83d1713dee6488127b5aad615a77bbdbc2f3133f85eec33
- SSDEEP 384:tMyUz/y3kM0B1vMSa1dpH/MRmWZqw0JfX2BtwcGFW:ivzEj0B1vMSa1dpfM770fX2fwcGFW
- TLSH T1F382AE3A96110C61CB1FA4BFD170071A61EB6A9295D633933668E2A839C33D53BEF153
- 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 1588 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 EXCEL.EXE 1588 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\attachment20260723-1093-covuvt.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1588
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 669B
- SHA256 fa5abdfa8948e2a460304db6d177ebe3783c6c803c6f44700a7ad2e3d73d0cca
- MD5 c99b539171a93439e341f882810fcaa2
- SHA1 f5f968f1950f428aa457163e9db558943440d29b
- SHA512 51167e77dfe8b0e3defe07b9ceecca4944a218a4bfa95d3b671f5e5905f132217c9fcf5ea7af63bcfa0c368754ee7fb1f9c418ce1dc015a765f1aa2bfd200df5
- TLSH T17301E1024ADB7E5AD05503763D3D8B29CB30FE919344830CA7C052277CF5010EA6DB19
- MD5 SHA1 SHA512 TLSH