Analysis
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max time kernel
129s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
09-03-2023 22:47
Behavioral task
behavioral1
Sample
99bcda0fd0998fae1b485f9e4a458c534aaca5fcc5b5c389f5112a90386a3307.doc
Resource
win10-20230220-en
General
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Target
99bcda0fd0998fae1b485f9e4a458c534aaca5fcc5b5c389f5112a90386a3307.doc
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Size
521.3MB
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MD5
f166769bbdcdc4e956d4693a28207de9
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SHA1
58e9069253b60003c6ac1146dee44d163bbf6d6d
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SHA256
99bcda0fd0998fae1b485f9e4a458c534aaca5fcc5b5c389f5112a90386a3307
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SHA512
e7e71f4312f163ce81f0e89b631bd2985963d9c314fa6a45022c4b3635054de62156be692ad9aa7ec3e1ce4c942a569f9884294623cd0b2928dde05c793062dd
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SSDEEP
6144:QDuxuMOZCBtANveapnaWVgsaNlbfXhoEHC87pnkTnlzIWZ4:18yGZZak8fxJB1e5IWZ4
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 7 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 20 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) -
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\99bcda0fd0998fae1b485f9e4a458c534aaca5fcc5b5c389f5112a90386a3307.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84