Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/09/2026, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260906-1106-kn43k5.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260906-1106-kn43k5.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260906-1106-kn43k5.xlsx
- Size 17KB
- Sample260906-yr5draztey
- 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 4464 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 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\attachment20260906-1106-kn43k5.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4464
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 2253171d4949299fc1061e7932e34d8e5302580687b8e784531f4f630748e538
- MD5 2f5638344bacf06af7cbd73304dcdf39
- SHA1 595d1ed9d01b77800e3c9cccc1885920a2e30a1d
- SHA512 de4020a897d148f0a411377875a88c247eb0f74787557a80d0f3763a0e9bce9f9c350db5e5b68ba5e63b9d56b7b6de400d4dd4aa16553bb90be42ad9ab13907b
- TLSH T12F51C1070B971F5BD0884633652EC79ED730BD16DA248B6FD288E32F3C66950DE49E86
- MD5 SHA1 SHA512 TLSH