Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 21:40
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260731-1169-efzlmw.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260731-1169-efzlmw.xlsx
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target attachment20260731-1169-efzlmw.xlsx
- Size 15KB
- Sample260731-1h674asthy
- 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 4684 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 EXCEL.EXE 4684 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\attachment20260731-1169-efzlmw.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4684
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 98351292b87ab77c2d68a1eddb275bfff9533a083bac2d6634c7dfdbf10ff41e
- MD5 fe1273f456dec553c97765a6c1b4e3ab
- SHA1 b09fe27ad29619911e804e65639b4421467d3d4b
- SHA512 8abc65f8295b696e2daa25b460324b482ea19af8c886d182107e8e14b691ebde35b3e6c8434730f5477f949878a87b282cdd9ab8e8c49dd0a54a13783c0e4842
- TLSH T1C951F4025A9B0FA7D09442B25A298F56FB30B915D7B0A7FF5188012B7DB2800DAADB57
- MD5 SHA1 SHA512 TLSH