Analysis
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max time kernel
132s -
max time network
136s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
11-01-2022 17:44
Behavioral task
behavioral1
Sample
38b51ee1239079bda9d7d55d94ad241f9595a1bad8a9538a140cd3504ce559c0.xls
Resource
win10-en-20211208
General
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Target
38b51ee1239079bda9d7d55d94ad241f9595a1bad8a9538a140cd3504ce559c0.xls
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Size
118KB
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MD5
649e907da725e225aad0e71d19611094
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SHA1
88ae2494e7304d51c21ec826cab65aca20b17082
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SHA256
38b51ee1239079bda9d7d55d94ad241f9595a1bad8a9538a140cd3504ce559c0
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SHA512
922f7290d86cbd2b073a965248e4c77d317fb4be0a68d782cd8fd67bc934b4722c111f8c033c0f15a3219c169302d28c09e35cac4fe4a20a2f462e73078cecf1
Malware Config
Extracted
https://wordpressdes.vanzolini-gte.org.br/fundacaotelefonica.org.br/gAbC4QpJYI/
http://shopnhap.com/highbinder/nnYko9FDNJ/
http://txingame.com/wp-content/PwKfVQfdhHbAv2j/
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 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
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 2840 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 EXCEL.EXE 2840 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\38b51ee1239079bda9d7d55d94ad241f9595a1bad8a9538a140cd3504ce559c0.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2840