Analysis
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max time kernel
101s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/05/2023, 13:14
Static task
static1
Behavioral task
behavioral1
Sample
004530599.xls
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
004530599.xls
Resource
win10v2004-20230220-en
General
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Target
004530599.xls
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Size
157KB
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MD5
2afa5f8b900075c8275d482bd28d9f76
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SHA1
65ca143d36ccff4f1e1824b5f8e9f6c09d858dcf
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SHA256
015070adc48ca00eaa9fa61df9194059c1758c2502fdb0900bf686c8e3ddd6c7
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SHA512
e819b4408528d8dd21f9bdffba401d653fe46f455871a8a55fd22f53f64130039ce09407415336bf034c59a5106a000e2a49124b8ca12823431bb71b0edd8e86
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SSDEEP
3072:ifZ+RwPONXoRjDhIcp0fDlaGGx+cL26nAM9Z6AFsTye:mZ+RwPONXoRjDhIcp0fDlavx+W26nAM8
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3216 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3216 EXCEL.EXE 3216 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 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\004530599.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3216