Analysis
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max time kernel
129s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 02:21
Behavioral task
behavioral1
Sample
2023-03-08_1035.doc
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2023-03-08_1035.doc
Resource
win10v2004-20230221-en
6 signatures
150 seconds
General
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Target
2023-03-08_1035.doc
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Size
517.3MB
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MD5
bcae0aca1a3b2df9d5e85de2ed3666e9
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SHA1
f56c3b72b7e8c55b9685e35765553fafbbb08e2b
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SHA256
5a092b0034f937f68ad7e5679ed840039fb824df8cad8f74b890cb7f4e42f0cd
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SHA512
4162200952e62402a6085ae5f1342a5b35d59f52a5ddf54d9eea3d318f62df9ca308cfc3e079cca484ab38af1ed17fa68fe9ad0c9541ff483aa3de20fff44afa
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SSDEEP
6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x
Score
3/10
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 380 1180 WerFault.exe 94 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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 7 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 41 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 43 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 45 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 47 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 35 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 37 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 39 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1836 WINWORD.EXE 1836 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 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\2023-03-08_1035.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1836
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 440 -p 1180 -ip 11801⤵PID:4972
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1180 -s 7401⤵
- Program crash
PID:380