Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260731-750-koitbn.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260731-750-koitbn.xlsx
Resource
win11ltsc2024-20260710-en
4 signatures
150 seconds
General
- Target attachment20260731-750-koitbn.xlsx
- Size 114KB
- Sample260731-sqqlbace56
- 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 1332 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 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\attachment20260731-750-koitbn.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IULJPTRU1B6O0F937Z4O.temp
- Size 2KB
- SHA256 0de88d9aa58b0b5ebe69d735485a738a8be8d60a3dee242d939e4c81da96e981
- MD5 d75500e08ed90b253b30f401de0d61e8
- SHA1 9e5231a962cba5b4cb01ba8def438143ee6c6f34
- SHA512 9857fa817e1f88b00b15de42f9788c6dc683286b3b9ecc8b311bf460e269ca13a5ecb71050e370d3b2e3f5de56f752512676a8919687d38477731562cb42bc54
- TLSH T16551F1020AEB4B1FC13043311B3D979DDBB07A97A724930DA591601E6CAF540CBAEB6E
- MD5 SHA1 SHA512 TLSH