Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 03:34
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260818-1169-rykfb0.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260818-1169-rykfb0.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260818-1169-rykfb0.xlsx
- Size 15KB
- Sample260818-d4rcfawwdv
- 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5596 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5596 EXCEL.EXE 5596 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 EXCEL.EXE 5596 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\attachment20260818-1169-rykfb0.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:5596
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 82167b72910719406ca4d7b44d1e3755aba7a19dc1758340385dbc8cca8a0afa
- MD5 affb00d4cfc870defe47a71c8a9c30a2
- SHA1 3e89b2d328d0ffd7af61097ef2bdecfbadb404ee
- SHA512 16986e7a5120289d24fc08868f2afd4489fc2cabd80425f90dc026f3b531e92ea7526b60f17659c21c6a160eb1b7f0a1afd268adec2d5f738492b3e25852f462
- TLSH T16C21AD030BAB1B1AD05843767B3EC79AE9327D629724D76EA280923B7D61440C91DA5A
- MD5 SHA1 SHA512 TLSH