Analysis
- max time kernel
148s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260811-750-tw5r4u.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260811-750-tw5r4u.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260811-750-tw5r4u.xlsx
- Size 17KB
- Sample260811-c4p9pstenb
- 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4452 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 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\attachment20260811-750-tw5r4u.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4452
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 4c60fa28a78fb26d84e49bd169fecc45ba63f17d81db05ed1086fd397e53d083
- MD5 acfe5c05281a5870f2aaa54d3131771a
- SHA1 b988f562c8c6057da3c8b2b52e675560a84ac68f
- SHA512 747c3b236b49f623b40942f6664cf49db952fdd1b6d110bc6b7968198d1d72725d761db111f9b457dfb5441532a23d99f2e0fd50661a5ea0832165422c9f31c8
- TLSH T1CA4100030BAF0A1BC02543722A6DC76BEE707D23AA2CD70E5295C23B3CB5580CA4DA56
- MD5 SHA1 SHA512 TLSH