Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/07/2026, 17:56
Static task
static1
Behavioral task
behavioral1
Sample
_31ef377368581ad4d713deb17a3aed8c21eb243d276925d9cf6165c061c53f54.xls
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
_31ef377368581ad4d713deb17a3aed8c21eb243d276925d9cf6165c061c53f54.xls
Resource
win11ltsc2024-20260630-en
7 signatures
150 seconds
General
- Target _31ef377368581ad4d713deb17a3aed8c21eb243d276925d9cf6165c061c53f54.xls
- Size 76KB
- Sample260703-wh7readw31
- SHA256 31ef377368581ad4d713deb17a3aed8c21eb243d276925d9cf6165c061c53f54
- MD5 ee733ea0bd41966ec86b176ecfc52caa
- SHA1 8b31c8b2f59ffb0f230c183b541f337f7163a35c
- SHA512 9b7a7832766e290f251955bcf4331ab4912725259a5f40502612a69d30e646a75370ecd38f3471c346a5c5fcf060eea0dc8f38d055184b1cee2768cfac5ceec3
- SSDEEP 1536:XOAACUrZtsY9RNIdr7mv0ALLTJZzuTnTc9ZjE7j:XOAAJrZtsY/N63AfT3uc
- TLSH T1C173E02A32E8C409D592C6769CDCD2D75B68FC179F03A34739C4775E1CB22E0A64372A
- 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 3656 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE 3656 EXCEL.EXE - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\_31ef377368581ad4d713deb17a3aed8c21eb243d276925d9cf6165c061c53f54.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3656
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 4KB
- SHA256 f235812a4d9d9c00e2f7180aa36f92d22539e366d8021b89d83007dc4c926e8b
- MD5 b6c2f964e3527c81b743e3bfb23f7362
- SHA1 0570fbf527864c096929d25cc239bef7333b2eee
- SHA512 22446d3746911ca035d87d6791b734c8be80bb4139981975dbbf2e386be7d69b6e2104fd9b7ecb61ce0cf367d4b3849608b287ceddda168e77bc9f6ae0483e50
- SSDEEP 96:UeFoVyFRuzM0TJBR5xXMRuhSU/ulpRQz2YR//W:U0oVy7qdTJv5xXsuhSb1c2Q//W
- TLSH T1C191BE060BC72F3BD1648376373B4BB9E220BA52F715965E5680116FBCE1840D95EF2E
- MD5 SHA1 SHA512 SSDEEP TLSH