Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 02:50
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260801-750-yijo64.xlsx
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260801-750-yijo64.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260801-750-yijo64.xlsx
- Size 114KB
- Sample260801-dbkn7awdle
- SHA256 4fc50abe4214a380c881eb7b71ec71d2ee63a4ce87138e008dbe800a298df280
- MD5 bb6322859e1cc993ffe60eb2325d9495
- SHA1 7d6387b3c3748b33ea33d61963004fe4c601676a
- SHA512 72148e5dcc2d6a1d28e941a846cd9c700086bb8f3fe0f1460b88086eca7201982a0705db45d6667665ef6b643798bcf1b21223949a2d4f05052c03cdf08f79fb
- SSDEEP 1536:klYSVNHKTVOPDkU2EKA4HDSFHeEQHCr46pkwY9nA4USn9RcLHvs5dOF+RKwm+nuj:kxVNHKTVQYUkEQoYNJ90HvEkF+D/nH4n
- TLSH T17FB361988C7AA00DD0773FB49BB6A095E771F6A13F0E5E1B02AC74741EAEC39D781445
- 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 3704 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3704 EXCEL.EXE 3704 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 EXCEL.EXE 3704 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\attachment20260801-750-yijo64.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3704
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 1e87e9936149a22ea20435f8c94d5fe7f56971e5e0ee319191ba06123c701f0e
- MD5 f9cf742b61c6ea7b3bb96c5c1a1ddb5a
- SHA1 3066d567a7092c331e5061dd23b6b63b82bc2919
- SHA512 bcc8b256e06ebbbea1772adb3342bc58075d63c93cf1212a33bf13d3d605e936367d2156abf7b5c01555487b1811634b736be2ae92dcf300a8d0b84407ed6ae0
- TLSH T14431FD0109C75FAFE555C7B12F3B4726D730BD0BBD019B5FA684221B3EA09A0C91DD6A
- MD5 SHA1 SHA512 TLSH