Analysis
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max time kernel
138s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2022 13:19
Behavioral task
behavioral1
Sample
d5567136a96052d8e552efd7bc8b510177e2ae9ef7c8a7ccb97a29f854039d6f.doc
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d5567136a96052d8e552efd7bc8b510177e2ae9ef7c8a7ccb97a29f854039d6f.doc
Resource
win10v2004-20220812-en
General
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Target
d5567136a96052d8e552efd7bc8b510177e2ae9ef7c8a7ccb97a29f854039d6f.doc
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Size
34KB
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MD5
811fd8b7523d2854c846d4a054b0cb30
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SHA1
6d9ce615785ac27664f69449cf58248127d059a2
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SHA256
d5567136a96052d8e552efd7bc8b510177e2ae9ef7c8a7ccb97a29f854039d6f
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SHA512
e3b5f832ddeb45ababba1d7d5afa6b78a957e28bac390763051333618d03962cd17acd19744b6f43bc004ba336351749202f690852960aea6f8d8e67aaf5355a
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SSDEEP
384:cVzxS3UeEq9cXj/wK96426Q8co4U00jUCVt:covqXm0QQmV
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\System\Backup\WalruS.vbs WINWORD.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE 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 -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5048 WINWORD.EXE 5048 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 5048 WINWORD.EXE 5048 WINWORD.EXE 5048 WINWORD.EXE 5048 WINWORD.EXE 5048 WINWORD.EXE 5048 WINWORD.EXE 5048 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\d5567136a96052d8e552efd7bc8b510177e2ae9ef7c8a7ccb97a29f854039d6f.doc" /o ""1⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5048