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Analysis
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max time kernel
169s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 05:13
Static task
static1
Behavioral task
behavioral1
Sample
0720d4b0b6695a0a7fcbd93fc231ffa5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0720d4b0b6695a0a7fcbd93fc231ffa5.exe
Resource
win10v2004-20231215-en
General
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Target
0720d4b0b6695a0a7fcbd93fc231ffa5.exe
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Size
72KB
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MD5
0720d4b0b6695a0a7fcbd93fc231ffa5
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SHA1
e8d79d90c4a958049b679584414af6d0026dbabd
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SHA256
eb0db22a9b7381fc772b363f376aeba238bc1a88e4c7174185139dad7cbd497a
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SHA512
4e1b8c71639d787f38f05242afd6b5c386893e48eba0b187ac833a2a92a33e5c2d06b6b3426d370227bc3459e304e42b7ca3f6469dd62289131f8421d215a913
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SSDEEP
1536:21OfsDBiCHJrJhHyWxqSRZoQNkI871Fs:SOfsDYkrJhHyWxq5S8pS
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 0720d4b0b6695a0a7fcbd93fc231ffa5.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 0720d4b0b6695a0a7fcbd93fc231ffa5.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 0720d4b0b6695a0a7fcbd93fc231ffa5.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\0720d4b0b6695a0a7fcbd93fc231ffa5.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0720d4b0b6695a0a7fcbd93fc231ffa5.exe:*:Enabled:Complete Server For Remote Administration via the Internet or LANConfig" 0720d4b0b6695a0a7fcbd93fc231ffa5.exe -
Sets service image path in registry 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\htoad\ImagePath = "svshost.exe /service" 0720d4b0b6695a0a7fcbd93fc231ffa5.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\stuad\ImagePath = "C:\\Windows\\Crystal\\smss.exe /service" 0720d4b0b6695a0a7fcbd93fc231ffa5.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\htuad\ImagePath = "C:\\Windows\\msapps\\csrss.exe /service" 0720d4b0b6695a0a7fcbd93fc231ffa5.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\svshost 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\SysWOW64\svshost 0720d4b0b6695a0a7fcbd93fc231ffa5.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\msapps 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\Crystal 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\inf 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\Cursors 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\PeerNet 0720d4b0b6695a0a7fcbd93fc231ffa5.exe File opened for modification C:\Windows\inf\Cyzpait.inf 0720d4b0b6695a0a7fcbd93fc231ffa5.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2896 0720d4b0b6695a0a7fcbd93fc231ffa5.exe 2896 0720d4b0b6695a0a7fcbd93fc231ffa5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0720d4b0b6695a0a7fcbd93fc231ffa5.exe"C:\Users\Admin\AppData\Local\Temp\0720d4b0b6695a0a7fcbd93fc231ffa5.exe"1⤵
- Modifies firewall policy service
- Sets service image path in registry
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2896
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1