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Analysis
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max time kernel
153s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 10:22
Static task
static1
Behavioral task
behavioral1
Sample
52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe
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Size
192KB
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MD5
3321aaf1db2179aba80c5fc2f8c945ff
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SHA1
8cea41e9bac00d0c552ca13e9c7b1bf12ade241e
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SHA256
52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89
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SHA512
b25f49b353902094c0a881765b7651fce5b0e2d3d4e60a4c6e3235964c9d723a22fc98a4845e84b44f0e95aefc173897d58a830fb729c438793a3a9e371cc824
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SSDEEP
3072:8Ge2fdLbEamxv2YhFEryJVVtOTI4BkcKmPcfNVw8:3dLAaqvFHVVtO7KmkfNVL
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nuuodin.exe -
Executes dropped EXE 1 IoCs
pid Process 1428 nuuodin.exe -
Loads dropped DLL 2 IoCs
pid Process 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /k" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /u" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /d" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /a" nuuodin.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /d" 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /l" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /m" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /o" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /c" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /x" nuuodin.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /r" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /v" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /g" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /q" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /i" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /w" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /t" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /n" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /j" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /e" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /y" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /b" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /h" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /z" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /s" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /p" nuuodin.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\nuuodin = "C:\\Users\\Admin\\nuuodin.exe /f" nuuodin.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 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe 1428 nuuodin.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 1428 nuuodin.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1728 wrote to memory of 1428 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 28 PID 1728 wrote to memory of 1428 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 28 PID 1728 wrote to memory of 1428 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 28 PID 1728 wrote to memory of 1428 1728 52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.exe"C:\Users\Admin\AppData\Local\Temp\52d90931b2510c0364a39904c7d4abbe686385b0f46c46d9788e74cc50a1df89.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:1728 -
C:\Users\Admin\nuuodin.exe"C:\Users\Admin\nuuodin.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:1428
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD5bfbe1964848b66a2d2c5b734cd59a88f
SHA1d74f5324af4ad09e517ecb3f26f0265d30862bc7
SHA2561467861be97717bb40a2f572246c81ffcdef1cf62a92fea9f2c1601937c2c9f3
SHA5124a394a50301c5fe1aa4a6da66ec5b7492b34b239244f58c3f5a89ad45bdf6a11f4f5017d1766575f81f69bd5a97701d0c2144f3f13577509d061d867db7f4290
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Filesize
192KB
MD5bfbe1964848b66a2d2c5b734cd59a88f
SHA1d74f5324af4ad09e517ecb3f26f0265d30862bc7
SHA2561467861be97717bb40a2f572246c81ffcdef1cf62a92fea9f2c1601937c2c9f3
SHA5124a394a50301c5fe1aa4a6da66ec5b7492b34b239244f58c3f5a89ad45bdf6a11f4f5017d1766575f81f69bd5a97701d0c2144f3f13577509d061d867db7f4290
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Filesize
192KB
MD5bfbe1964848b66a2d2c5b734cd59a88f
SHA1d74f5324af4ad09e517ecb3f26f0265d30862bc7
SHA2561467861be97717bb40a2f572246c81ffcdef1cf62a92fea9f2c1601937c2c9f3
SHA5124a394a50301c5fe1aa4a6da66ec5b7492b34b239244f58c3f5a89ad45bdf6a11f4f5017d1766575f81f69bd5a97701d0c2144f3f13577509d061d867db7f4290
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Filesize
192KB
MD5bfbe1964848b66a2d2c5b734cd59a88f
SHA1d74f5324af4ad09e517ecb3f26f0265d30862bc7
SHA2561467861be97717bb40a2f572246c81ffcdef1cf62a92fea9f2c1601937c2c9f3
SHA5124a394a50301c5fe1aa4a6da66ec5b7492b34b239244f58c3f5a89ad45bdf6a11f4f5017d1766575f81f69bd5a97701d0c2144f3f13577509d061d867db7f4290