Analysis
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max time kernel
129s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
22-03-2023 16:22
Behavioral task
behavioral1
Sample
f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1.doc
Resource
win10-20230220-en
General
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Target
f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1.doc
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Size
207KB
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MD5
ca35c5ec8c75acc2c9ba7c19076ade0d
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SHA1
ca31df8e4d94ed1d9648f103462f11988e87e77b
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SHA256
f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1
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SHA512
6b51039c707b2f89f495d94b49c2cb3d57132bc333933687e3e7c598aa2b6ee9132c6e4863b92f52ac78227e6e515b8ee0bc6a414e2e2f5aa06f499dfa0da218
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SSDEEP
3072:r43Tj6XFk1R81XNvvMGSsLyVwy+WNX3pMwwrnYD5LPfF:r43T2N++WF3KfrYD5LPfF
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:
WINWORD.EXEdescription 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
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 -
Script User-Agent 10 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 14 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 18 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 20 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 24 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 26 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 12 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3428 WINWORD.EXE 3428 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 WINWORD.EXE 3428 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\f72c3339a6ce6a8ba0fe430773d99e890d19d54357d14e838501bfea0b1cb2f1.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3428