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Analysis
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max time kernel
137s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 06:42
Static task
static1
Behavioral task
behavioral1
Sample
PO-674394.xlam
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
PO-674394.xlam
Resource
win10v2004-20230915-en
General
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Target
PO-674394.xlam
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Size
642KB
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MD5
66013791a9a70b8b6429a842ee029ccd
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SHA1
a8c5aaf7a3f794bda85717f264a65075c80a10a1
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SHA256
ad6dabfbf9b343f2a04f6cdfbc34411b378212dea73d669cab262564420d6ecb
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SHA512
9935eb3e66ccf49d3342c88324c6f838239e68d7e28010b1cb4b73b4db0351d200fdfec67a6d2ee53b14b6e9812b5eefcd004a9ea46bc3f99fd96abea206520f
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SSDEEP
12288:Kqs/irVm8pm8UKkayx+Uu1oNR4rdCTflYmWu4K+7ZGGnaZZg9xQ9ar6MnDwI:Bqyg8rovs6WC7Su4K+7OZSnUHMnDl
Malware Config
Signatures
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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 4040 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4040 EXCEL.EXE 4040 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE 4040 EXCEL.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PO-674394.xlam"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4040