Analysis
- max time kernel
148s - 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
01/09/2026, 22:10
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260901-1106-nljkyq.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260901-1106-nljkyq.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260901-1106-nljkyq.xlsx
- Size 15KB
- Sample260901-13b8fssvft
- 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 4828 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 EXCEL.EXE 4828 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\attachment20260901-1106-nljkyq.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4828
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 be04734b38d95c00f5ccf4d2153a7c573fe312dcc874dcb6fe569fb0f4e5fb33
- MD5 339fea3b1b7243b63bd9c9163f283581
- SHA1 f4a7ffb0c58f5b38d0c90ac992abff902c0a8584
- SHA512 ade8bfbc5df678dd19986eb8a554db2dc50470ccdca94822a0269c89efd11c8eb2eb2e5a8ae3b60836964c7f2c3df3b0976666819a09a191a173fc91faef0099
- TLSH T17C41110109DF1F6FD03203371B3AD759E3307912AA90D62D9684A11F7DB1594DA0DD9F
- MD5 SHA1 SHA512 TLSH