Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 23:26
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260807-1169-rstbk6.xlsx
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260807-1169-rstbk6.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260807-1169-rstbk6.xlsx
- Size 15KB
- Sample260807-3ethyax1bx
- 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 1856 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1856 EXCEL.EXE 1856 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 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\attachment20260807-1169-rstbk6.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1856
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 3d78c665283a049937fd264fad9cf9674eecaee787a43b837339811c1f931484
- MD5 2f4c9cb26d8136659b79f4bdcd752539
- SHA1 c5d415af6da9300c76fa918c6a940292022129ad
- SHA512 49a4a9bf2ba55822c473fbe2a54166bc70784396c462b862a2a80a899710539fd40a2e035f1887bc68809f61d4f83808ffc358158a7f5901ef93b9f427121a35
- TLSH T1503114022B5F4FA6C06802779A3D0B07F7607D05D73496DE62C0511F7CA2C20E7A9A67
- MD5 SHA1 SHA512 TLSH