Analysis
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max time kernel
188s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 11:55
Static task
static1
Behavioral task
behavioral1
Sample
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
Resource
win7-20221111-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe
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Size
88KB
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MD5
618c00b3a0ec864695947bf0cd304090
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SHA1
267d3139af64f478d9e4ae998c7f08645ed495e6
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SHA256
e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
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SHA512
995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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SSDEEP
1536:plTYNMg4l3gJpEer9+wEDFcemSMuiJibg5ix76X41V8xkS/:kNM3l3gJpESUBc9SM1Jagw76XA8Go
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nuueha.exe -
Executes dropped EXE 2 IoCs
pid Process 4600 nuueha.exe 3460 nuueha.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe -
Adds Run key to start application 2 TTPs 26 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /v" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /r" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /c" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /k" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /q" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /a" nuueha.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /n" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /d" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /s" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /o" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /l" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /j" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /h" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /z" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /u" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /y" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /t" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /b" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /p" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /m" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /w" nuueha.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /x" e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /g" nuueha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nuueha = "C:\\Users\\Admin\\nuueha.exe /i" nuueha.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum nuueha.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 nuueha.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf nuueha.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 820 set thread context of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 4600 set thread context of 3460 4600 nuueha.exe 89 -
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 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe 3460 nuueha.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 4600 nuueha.exe 3460 nuueha.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 820 wrote to memory of 368 820 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 81 PID 368 wrote to memory of 4600 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 86 PID 368 wrote to memory of 4600 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 86 PID 368 wrote to memory of 4600 368 e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe 86 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89 PID 4600 wrote to memory of 3460 4600 nuueha.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe"C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Users\Admin\AppData\Local\Temp\e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Users\Admin\nuueha.exe"C:\Users\Admin\nuueha.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\nuueha.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3460
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583
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Filesize
88KB
MD5618c00b3a0ec864695947bf0cd304090
SHA1267d3139af64f478d9e4ae998c7f08645ed495e6
SHA256e2eaf581fc8203ecb83ca24370d94a649bf95b17413e618c6cf1f524bf998d93
SHA512995726d5b463af3f85009ea3775931cc528309089318284acf5e0db6f7bf3c4263d7c7df0e7b12f3747c786f90093d467be01fbe44d9b208aa16c356b6fad583