Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 03:44
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260821-201340-csomk4.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260821-201340-csomk4.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260821-201340-csomk4.xlsx
- Size 17KB
- Sample260821-eahc4ssbnf
- 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 6084 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 EXCEL.EXE 6084 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\attachment20260821-201340-csomk4.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:6084
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 dd8f11fbd5c91351b36578400f710ca2a3472125ff5dbebceb770c05a5461fd7
- MD5 edd39b75fc744470e05e7b3ef18557c0
- SHA1 83ea1d22146df9cd384c1c04b504dd35410b880f
- SHA512 04fdd5126940ce6064f30c9389596d18f3d056d3153ee8f31ce36b9a7da403895101b8dc44b1256c3a31aa72bf09f39fe08bcaa8b65e5c12d3a5a39f551b11d6
- TLSH T10D21230128AB1F5AE0A64672363E674BEF30FD416B10578ED300B43F2DB5500958CA2F
- MD5 SHA1 SHA512 TLSH