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Analysis
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max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe
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Size
132KB
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MD5
a253a0522e8bce1b160197a97088ce10
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SHA1
b7ccbcf6e1d2395f31a17c8e33af5d7d1d6ddb47
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SHA256
5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263
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SHA512
fd20bae1f0c83d340b905de2190477077ab1f0aaad87e92920e5052320be9bfc8bfde44da51b28856d6fe77fe7c232b92a8b2bff06d1dab56b8941bdf61cfbb5
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SSDEEP
1536:vy7T/T2O6rM2UElBkIvIwDyQ5Iwz/H6F9kmYTRdfuLXwo7JaSU:2T/T2O63UElBknweQz/HhlbfmwQG
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuipue.exe -
Executes dropped EXE 1 IoCs
pid Process 1144 cuipue.exe -
Loads dropped DLL 2 IoCs
pid Process 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /w" 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /E" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /V" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /f" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /I" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /q" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /Q" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /w" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /U" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /X" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /g" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /r" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /N" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /a" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /z" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /O" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /b" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /T" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /t" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /H" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /S" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /h" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /c" cuipue.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /v" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /Z" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /o" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /K" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /W" cuipue.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /P" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /s" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /k" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /A" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /d" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /J" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /F" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /B" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /G" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /l" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /y" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /x" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /j" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /R" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /Y" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /n" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /i" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /m" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /D" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /e" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /p" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /M" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /L" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /C" cuipue.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuipue = "C:\\Users\\Admin\\cuipue.exe /u" cuipue.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe 1144 cuipue.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 1144 cuipue.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1096 wrote to memory of 1144 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 26 PID 1096 wrote to memory of 1144 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 26 PID 1096 wrote to memory of 1144 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 26 PID 1096 wrote to memory of 1144 1096 5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe"C:\Users\Admin\AppData\Local\Temp\5020d5608e697b663c3d6850cf16f6e457363d28aeed342ffb82c77b5edf2263.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\cuipue.exe"C:\Users\Admin\cuipue.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132KB
MD52a21e9fb1e37f1ea57be71b586f43156
SHA1e70bb1d56d345c9617a3f196a5530ea7a7fc1f63
SHA256ccc427a3ae982125a3e93bb64328119eefae7e53c9f036937a79734cbc780f60
SHA5122e27d750e74fdd870ecd7d696c51295ecf6cf5e2ca7a82288a6ed96eee39e35e9b8c7d7006c5e05b2dfc3dc6c59c1f9e6b53cfe856bf1f1d745e82e04db51b85
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Filesize
132KB
MD52a21e9fb1e37f1ea57be71b586f43156
SHA1e70bb1d56d345c9617a3f196a5530ea7a7fc1f63
SHA256ccc427a3ae982125a3e93bb64328119eefae7e53c9f036937a79734cbc780f60
SHA5122e27d750e74fdd870ecd7d696c51295ecf6cf5e2ca7a82288a6ed96eee39e35e9b8c7d7006c5e05b2dfc3dc6c59c1f9e6b53cfe856bf1f1d745e82e04db51b85
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Filesize
132KB
MD52a21e9fb1e37f1ea57be71b586f43156
SHA1e70bb1d56d345c9617a3f196a5530ea7a7fc1f63
SHA256ccc427a3ae982125a3e93bb64328119eefae7e53c9f036937a79734cbc780f60
SHA5122e27d750e74fdd870ecd7d696c51295ecf6cf5e2ca7a82288a6ed96eee39e35e9b8c7d7006c5e05b2dfc3dc6c59c1f9e6b53cfe856bf1f1d745e82e04db51b85
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Filesize
132KB
MD52a21e9fb1e37f1ea57be71b586f43156
SHA1e70bb1d56d345c9617a3f196a5530ea7a7fc1f63
SHA256ccc427a3ae982125a3e93bb64328119eefae7e53c9f036937a79734cbc780f60
SHA5122e27d750e74fdd870ecd7d696c51295ecf6cf5e2ca7a82288a6ed96eee39e35e9b8c7d7006c5e05b2dfc3dc6c59c1f9e6b53cfe856bf1f1d745e82e04db51b85