Analysis
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max time kernel
128s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
21-03-2023 23:37
Behavioral task
behavioral1
Sample
a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c.doc
Resource
win10-20230220-en
General
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Target
a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c.doc
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Size
280KB
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MD5
1ed78c12c4ff7dd9b7107b2b5ec0ddb3
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SHA1
56282ca3aa2300155a7ef2d125e6df963e9d0354
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SHA256
a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c
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SHA512
c8a3cf440d30e21756c5da7581af3c70b2ed1219126db817750c1a0e558894eb6869a8adedbd49f2587fbd6f6a998a75334a1c325eaa76d434711c48c6e24d21
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SSDEEP
3072:DRtgb85gk/qpAn0wIQFAN5iRZVGgge3WzN09JYUCJVE4gz7+W9iJF:tNgkHn905e6JkJYUCJV2+iW
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 12 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 16 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 22 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 10 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) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4480 WINWORD.EXE 4480 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 WINWORD.EXE 4480 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\a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4480