Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
attachment20261001-527357-ywvkia.xls
Resource
win10v2004-20260911-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-ywvkia.xls
Resource
win11ltsc2024-20260911-en
4 signatures
150 seconds
General
- Target attachment20261001-527357-ywvkia.xls
- Size 100KB
- Sample261001-stecfsvbme
- SHA256 8b845dfcc2aebb90d5a950f4a3adc9eeb2cc251c77c252b7e4a58c0958cca9d3
- MD5 515ae7e780940977a9ca9903a315bc49
- SHA1 b65f19d79abcb5bbb2f18f12f729fc2bb3a573be
- SHA512 7a1d6ff7b307360e3f982f36896a2a3ef10cc9734601a2f6c8d9b274cb408a5db44818feaf756a67bcac65c607f87c21c193f83c7daa9ffeea126d5df63ff031
- SSDEEP 3072:zgk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlwVtAxGC//j0/:8k3hbdlylKsgqopeJBWhZFVE+W2NdABa
- TLSH T195A3A2A29F7FBEB2C53DE23984A915741732DC011D394B8F62D4A4646EF3EA73B00586
- 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 5516 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 EXCEL.EXE 5516 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\attachment20261001-527357-ywvkia.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5516
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 7b1fc0107b0d9e3d17c15011b80c4b654d00a76789a378e192e031d1c97b508c
- MD5 409b9ba5a504b1b0c6a4176ffe1547fb
- SHA1 892c512dddf9cb3e59b6dc7a71a98c7cfb25438d
- SHA512 bea8516f1b13e67a6bd91ba975875c8e6b72d0e9b63e6c485772dd4d45a5dc0f3bf1959d4f8a046d248fdd23a6ca2f48683d5afa1dd8a9248d5982fd19b1ff5c
- TLSH T1CC5116114F8F6F6FD16C8632573D9748E62378016750A31EF38521AF7D6D600852BD5B
- MD5 SHA1 SHA512 TLSH