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Analysis
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max time kernel
157s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 22:40
Static task
static1
Behavioral task
behavioral1
Sample
e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe
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Size
216KB
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MD5
fae78afa951c5ee1661520e1aa5c1299
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SHA1
24ecb36499ad2dcfc2940d37feafa3057b9fc755
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SHA256
e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80
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SHA512
0d7556e9ebcad187c59f744f5805398b7499d4a96945067217b27c654b0f1ca4d45ce4b171eceac2174d45aae79442a257e71f4bf516e99a2bc9420ab6d10f36
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SSDEEP
3072:28Tm79SHMdkgJTKMN6K/iAKRNamLFa8cstRfQbE+l:rMKGKMN66iA/Ut2oI
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nuutoar.exe -
Executes dropped EXE 1 IoCs
pid Process 4540 nuutoar.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /n" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /a" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /y" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /p" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /j" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /x" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /i" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /e" nuutoar.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /q" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /g" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /w" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /j" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /d" e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /c" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /p" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /c" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /h" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /b" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /r" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /a" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /v" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /k" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /f" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /i" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /o" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /p" e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /w" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /y" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /d" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /m" nuutoar.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /s" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /n" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /t" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /l" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /f" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /l" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /k" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /u" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /d" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /r" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /g" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /o" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /u" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /e" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /t" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /m" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /z" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /q" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /s" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /x" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /v" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /z" nuutoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /b" nuutoar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nuutoar = "C:\\Users\\Admin\\nuutoar.exe /h" nuutoar.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 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe 4540 nuutoar.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 4540 nuutoar.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4788 wrote to memory of 4540 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 80 PID 4788 wrote to memory of 4540 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 80 PID 4788 wrote to memory of 4540 4788 e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe"C:\Users\Admin\AppData\Local\Temp\e8946e68ff10e7961f37562004e3564a6a1a007e2a3780bf816c8f24489e2f80.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Users\Admin\nuutoar.exe"C:\Users\Admin\nuutoar.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:4540
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
216KB
MD557ede706bacc43a2b82de1f67d24ae8c
SHA171bc3adabc31e4aa74d8dec863dd996b3431474e
SHA25688b73f178a1c694f2b3695f4fb73023098c54e1cde18040de2607fa7b2799983
SHA51261defbdd2d756f96fa0a08afc6693a03f724a1856641fb3c8dd49854587548c24535a1e7b5587a0a131dba317db9ae065a2e0f1889bf42173656694a7b2a63ec
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Filesize
216KB
MD557ede706bacc43a2b82de1f67d24ae8c
SHA171bc3adabc31e4aa74d8dec863dd996b3431474e
SHA25688b73f178a1c694f2b3695f4fb73023098c54e1cde18040de2607fa7b2799983
SHA51261defbdd2d756f96fa0a08afc6693a03f724a1856641fb3c8dd49854587548c24535a1e7b5587a0a131dba317db9ae065a2e0f1889bf42173656694a7b2a63ec