Analysis
- max time kernel
148s - max time network
133s - 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, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260731-750-jnkzkx.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260731-750-jnkzkx.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260731-750-jnkzkx.xlsx
- Size 114KB
- Sample260731-rb4c7avajd
- 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 4136 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4136 EXCEL.EXE 4136 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 EXCEL.EXE 4136 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-jnkzkx.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4136
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 41b7079d02aa71f27bc60e92ae300e895847068941a50bedd2dfd3151dcd8b44
- MD5 e4a4b9afacd24dcddb4a6b116df7bedd
- SHA1 9ab42522a82a60b27f208b7570431146d6df8cd6
- SHA512 b2c7e945167184e959d3431e3b1a1dff8edeba7271fb99f316e2d6ca1dd9222ed82941cfe4ebfbe1a54dbc1d8ac39896c1d1f7778e811e943e3de4682f85f67a
- SSDEEP 96:UIRRBKn7Yh9RRoLJfZNj4eAZ/Z5HRLDRRiApifRRXzRNux6RR81Rh:UgREyjRoNhNj4ei/Z5xJRiaeRjv4mR8h
- TLSH T12991C2034B5B0A57C06442767B3D839EEE717D13AA28D71EB3C1963B3EA5400C55ED5A
- MD5 SHA1 SHA512 SSDEEP TLSH