Analysis
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max time kernel
91s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2022 08:27
Static task
static1
Behavioral task
behavioral1
Sample
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe
Resource
win10v2004-20220901-en
General
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Target
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe
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Size
40KB
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MD5
63fbbac40a124e5f40fb768acb4df6c1
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SHA1
90ae3913d6f89f99e5d4baa38133d306e9b1583e
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SHA256
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769
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SHA512
1d1eec2783c3b1fbaf27f21391139136fea5a817102218b060a0970b7312ba050aacd66b895189690d24d72ffd2c60bac23d0f3ed1352d65596e942e4ef1a19a
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SSDEEP
768:/20NOmoEkwSvk3RshE9El/y/xTKrYQsnjM:/2rhQ4hEYcjM
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 2440 takeown.exe 3104 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 2440 takeown.exe 3104 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RBj = "C:\\Windows\\system32\\syqn.exe" 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe -
Drops file in System32 directory 2 IoCs
Processes:
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exedescription ioc process File created C:\Windows\SysWOW64\syqn.exe 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe File opened for modification C:\Windows\SysWOW64\syqn.exe 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exepid process 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exedescription pid process target process PID 4792 wrote to memory of 2440 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe takeown.exe PID 4792 wrote to memory of 2440 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe takeown.exe PID 4792 wrote to memory of 2440 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe takeown.exe PID 4792 wrote to memory of 3104 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe icacls.exe PID 4792 wrote to memory of 3104 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe icacls.exe PID 4792 wrote to memory of 3104 4792 07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe"C:\Users\Admin\AppData\Local\Temp\07cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\syqn.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\syqn.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\syqn.exeFilesize
40KB
MD563fbbac40a124e5f40fb768acb4df6c1
SHA190ae3913d6f89f99e5d4baa38133d306e9b1583e
SHA25607cfb7d9f574f9a5db402176b22d5147e0e49bd7e65736099b86eff04dd17769
SHA5121d1eec2783c3b1fbaf27f21391139136fea5a817102218b060a0970b7312ba050aacd66b895189690d24d72ffd2c60bac23d0f3ed1352d65596e942e4ef1a19a
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memory/2440-134-0x0000000000000000-mapping.dmp
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memory/3104-135-0x0000000000000000-mapping.dmp