Analysis
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max time kernel
1151s -
max time network
1162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
13/07/2023, 03:46
Static task
static1
Behavioral task
behavioral1
Sample
aaaa.xlsx
Resource
win7-20230712-en
4 signatures
1200 seconds
Behavioral task
behavioral2
Sample
aaaa.xlsx
Resource
win10v2004-20230703-en
5 signatures
1200 seconds
General
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Target
aaaa.xlsx
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Size
2.9MB
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MD5
e38ca663e59789aed3adcae02b19609e
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SHA1
0c932c007313dd640ee555d495dfda9d9eb78567
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SHA256
3dcb0eb0b4bdb8da81734f0ba097b278713a2c45eee9827c2edd07d0d4060a92
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SHA512
aade68082a09fa6278b3a0cec79fb63eed0658668e5cb9ff72fd945726bef4bb7ee8425db8a3155184a7313c26372b721b258b07280baf0144d0c823867c6f56
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SSDEEP
49152:ysrHKG/AbHStsnyuCdGUfBkdTe0zWtPVgaRjQWUx8ILyyunb28:yaKEnSTe0zWtfQV8Oun9
Score
1/10
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 4768 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4768 EXCEL.EXE 4768 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE
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\aaaa.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4768