Analysis
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max time kernel
129s -
max time network
132s -
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 22:20
Behavioral task
behavioral1
Sample
ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25.doc
Resource
win10-20230220-en
General
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Target
ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25.doc
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Size
253KB
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MD5
703517ce071eb9ed6d831ff06319a1d5
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SHA1
2e3481ba985e4e6f82714c4723e02b90814db812
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SHA256
ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25
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SHA512
bba9ba78c3c12918f0f8bbc5d73f680e78baa5505487a3d00e9bd104855fa253016c50282391013e9f80231ce227b120fa2d32aab6bdfec687c5a2022e071219
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SSDEEP
3072:Gw2e6pQqKpXdEbwde5lgfOiqeNn1+o/x0Q6aUmDSKSNLnIiPf8xMwH99P:GwmXoClPzKp0Q6aUmWKSNTIiPkxPH9
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Script User-Agent 10 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 12 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 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 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 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 20 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4116 WINWORD.EXE 4116 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 WINWORD.EXE 4116 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\ef4f00ef898af4684313869d9a68fe96701e3341e5f94172374800484f9d6f25.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4116-117-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-118-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-119-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-120-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-123-0x00007FFF32430000-0x00007FFF32440000-memory.dmpFilesize
64KB
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memory/4116-124-0x00007FFF32430000-0x00007FFF32440000-memory.dmpFilesize
64KB
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memory/4116-326-0x000001D27A6D0000-0x000001D27A818000-memory.dmpFilesize
1.3MB
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memory/4116-418-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-417-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-419-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB
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memory/4116-420-0x00007FFF35200000-0x00007FFF35210000-memory.dmpFilesize
64KB