Analysis
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max time kernel
73s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
25-01-2021 08:54
Static task
static1
Behavioral task
behavioral1
Sample
document_v152120.doc.rtf
Resource
win7v20201028
Behavioral task
behavioral2
Sample
document_v152120.doc.rtf
Resource
win10v20201028
General
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Target
document_v152120.doc.rtf
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Size
12KB
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MD5
3c9b171aa4191384845ffc13021f3a7f
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SHA1
0acd262c9aad61b328b4d37a3460ba41630ef3a0
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SHA256
140ee2b8d6fba55259d70bab833fbae1924c7426bb8ddc79aaa5088435281872
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SHA512
62bd151a6e9520133a6e1257f06ebe8bfcd0da71f7665a402b9d136c48c561f3b17eaae462cc709845c503de89d208d735caacb7e5df234ad2397900d7de89cc
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3116 WINWORD.EXE 3116 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE 3116 WINWORD.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\document_v152120.doc.rtf" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3116