Analysis
- max time kernel
148s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 12:44
Static task
static1
Behavioral task
behavioral1
Sample
attachment20260803-1169-swk0b1.xlsx
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260803-1169-swk0b1.xlsx
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target attachment20260803-1169-swk0b1.xlsx
- Size 114KB
- Sample260803-pygrlahf86
- 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4464 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4464 EXCEL.EXE 4464 EXCEL.EXE - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 EXCEL.EXE 4464 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\attachment20260803-1169-swk0b1.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4464
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 8a1a45c9205b544b18fab03e792f1a5941291253da1631973683c8686786a8ae
- MD5 ad852778249e484f2f406f309fbfb9c9
- SHA1 b433a07baf5b0dbff02870c806aa56fa73d1024e
- SHA512 278efd1ae81068ac147879276e019518d166bb1e8a0309e3f47648d757c9d0b6a3054f2a17033a2cd796d1b6be0323ac3ca382cd70669cb27a62abe5ce50bd27
- TLSH T1FE51C0070B571F5BD0484232252ED79ED730BD16DA248B7FD288E32F3CA6550DE49E8A
- MD5 SHA1 SHA512 TLSH