Analysis
- max time kernel
148s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/07/2026, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260721-997-krzlfm.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260721-997-krzlfm.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260721-997-krzlfm.xlsx
- Size 15KB
- Sample260721-wpqfpsde73
- SHA256 89d9f6bb65099039c3f1c946823c62167eba2c451b6fcb741cf88a07a2d3b87a
- MD5 fccf4f30cd96fbfa533aadfed13fbd7e
- SHA1 9ceae414bfa2a3d914c40746720246293e4f6884
- SHA512 dd38fb8367d128fd551b46f88dc9ae77eab86e6131a3da7ecafdace7c0790f172edbea44ff7918d9218f8496202e3da0304a4a11359e78c12e10059213c77b9b
- SSDEEP 384:rxBFlE6uYXcle7bZbeD09MGN1JCmmQvq0Cxudf:RlVucc8/t7lN1JC10CxE
- TLSH T1B7628D2EF1923DA8C727947ED05808EAB8BC64553557B01E7C58F20B23065EB23CF59D
- 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 6132 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 6132 EXCEL.EXE 6132 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 EXCEL.EXE 6132 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\attachment20260721-997-krzlfm.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:6132
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 767425ecda06c04a0a92bfaf882205382a5915f59485111a46285f91b8db4a8d
- MD5 d8e15f8a1cf862d2aaaef85cc86bb81d
- SHA1 463f80bd58e9bf8cf611dc2346304064528dd8d5
- SHA512 4ef60bfe13071d694d2b43fd10aa72c6119ecfde561133b456baac8a684ad8ee5aabb3f6d0610150f61bf1aceb185fe7ac8079697f20eb309d57797a01e1d3b8
- TLSH T10E51C3132ECF4F2FD125437A5E368756D734B8219724C60E9184826F6C69425CB98AAF
- MD5 SHA1 SHA512 TLSH