Analysis
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max time kernel
178s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2022 21:27
Behavioral task
behavioral1
Sample
99d691cb402facaf330dbaa1423a99a9.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
99d691cb402facaf330dbaa1423a99a9.xls
Resource
win10v2004-20221111-en
General
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Target
99d691cb402facaf330dbaa1423a99a9.xls
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Size
33KB
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MD5
99d691cb402facaf330dbaa1423a99a9
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SHA1
b58d95480efc0154d72b9553e94e28e727ace91e
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SHA256
32252de9aa10e349747671e66a9803fc8e5c56bba53be2f1e280b358d026ec18
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SHA512
797a244100d95252b2f1573cbac6090eac59695d5ad474aa49bf05801bc65105a6e668dba78e30b291ec83e65db95c52cbf72c95730088afd3e74ede93dacc51
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SSDEEP
768:lik3hOdsylKlgryzc4bNhZFGzE+cL2knAJk2InuRDd2U/8BL:Uk3hOdsylKlgryzc4bNhZFGzE+cL2knj
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.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 4636 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 EXCEL.EXE 4636 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\99d691cb402facaf330dbaa1423a99a9.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4636