Analysis
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max time kernel
131s -
max time network
135s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
27-03-2023 14:06
Behavioral task
behavioral1
Sample
f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc
Resource
win10-20230220-en
General
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Target
f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc
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Size
233KB
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MD5
9117c76bc262f3cdf53675f8cf3a5ab9
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SHA1
f764356a46d8e585be1d8a364e06d282f7905ec3
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SHA256
f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d
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SHA512
b71f7b333d0418003036c36bda31af644fcc4a8d90f600385a45129a8f5a9d7361ac940d3314f9d91357b7701712773da43f399a4f59d8cedb9ebf9f921db78a
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SSDEEP
3072:PojYfU2ZqlurLFfzAwHSxzAY1xKT70jQkeOtzMByf8gyp9MAK4dLVi:PSed8uXFfJyKY+TSQHSI28D9hTdc
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 17 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 23 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 21 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 25 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 19 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4144 WINWORD.EXE 4144 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 WINWORD.EXE 4144 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\f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4144