Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260802-1169-cstmc.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260802-1169-cstmc.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260802-1169-cstmc.xlsx
- Size 17KB
- Sample260802-wvb59syere
- 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 6052 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 EXCEL.EXE 6052 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\attachment20260802-1169-cstmc.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:6052
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 657B
- SHA256 54f10e527acc49ff247886cc3ff1a1d349f52cadc45086e26d1e2c2fce07366c
- MD5 ed7cd1834340cfe9d68bdbe759823e52
- SHA1 3d9d55c6630b8e8e18ce0cb22e96df790f0ad529
- SHA512 6a0bb57d31ff031c887f9f201fa914d1fe1e5a531ff14d1cdefb013afbdac1d0c918d9daf077696a16e9dee9bfb606bea366ca9663beda653819608c0187c41e
- TLSH T17101810A66CB0F77F02052790A6A8359D620B9115F11511D5688515F3DEA550D988EAA
- MD5 SHA1 SHA512 TLSH