Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02/03/2024, 22:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20240221-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20240226-en
3 signatures
150 seconds
General
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Target
Nezur.exe
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Size
2.3MB
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MD5
490ff45ffb331fe7d1af3e8be7505943
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SHA1
3dbaf10c1b701299d1a2e805b6a007f4e22e028d
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SHA256
68fc232535a29649d46dc5f9108a2a59b2b4ef7aad09fa675b497c7f1b585d1b
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SHA512
79ccefd495dfde1ddcd28ac57aa6033ba6b08255ee4ec6b844d716adf25fc74cc7e77fb68696af617563969eef2c5d5bbd982c124b5c5eed3e79eacf21363bb2
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SSDEEP
24576:uR+gKf3Iv02rq6s1Hm3MRWj3D2CotikzCEkXuSMOSByL8X:X/Ue6MG8A3eCISMOSB
Score
8/10
Malware Config
Signatures
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Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" Nezur.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2100 Nezur.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2100 Nezur.exe Token: SeLoadDriverPrivilege 2100 Nezur.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2100 Nezur.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2096 2100 Nezur.exe 29 PID 2100 wrote to memory of 2096 2100 Nezur.exe 29 PID 2100 wrote to memory of 2096 2100 Nezur.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\Nezur.exe"C:\Users\Admin\AppData\Local\Temp\Nezur.exe"1⤵
- Sets service image path in registry
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2100 -s 3442⤵PID:2096
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