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Analysis
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max time kernel
154s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 22:07
Static task
static1
Behavioral task
behavioral1
Sample
5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe
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Size
80KB
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MD5
789b2d019ce1e089f23b34f9b93dd565
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SHA1
3b3882a45eb17c14a40c604af3ee72587f3661e2
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SHA256
5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e
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SHA512
9017ffffea9c77280b680170d94f77238f1d7b6fef5aa1ffe156f5998d879335be0a7baff85675d3d98a6936e2543b156075a88496dd51fc028ab28495883a3d
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SSDEEP
1536:Md11RDEgq46nSfMVW13jtqIcaQ3MEc38KOngYpZQjwOf4BlEu7toePZeQ:EX5fMd8zAn7t+4BlEu7tbP4Q
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuehoin.exe -
Executes dropped EXE 2 IoCs
pid Process 4944 wuehoin.exe 2116 wuehoin.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /g" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /o" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /p" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /s" wuehoin.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /x" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /w" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /n" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /e" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /y" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /v" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /c" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /z" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /a" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /d" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /b" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /h" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /k" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /u" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /q" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /r" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /l" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /i" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /j" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /m" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /q" 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /t" wuehoin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuehoin = "C:\\Users\\Admin\\wuehoin.exe /f" wuehoin.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 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wuehoin.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 wuehoin.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 wuehoin.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4204 set thread context of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4944 set thread context of 2116 4944 wuehoin.exe 83 -
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 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe 2116 wuehoin.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 4944 wuehoin.exe 2116 wuehoin.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 4204 wrote to memory of 2552 4204 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 81 PID 2552 wrote to memory of 4944 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 82 PID 2552 wrote to memory of 4944 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 82 PID 2552 wrote to memory of 4944 2552 5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe 82 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83 PID 4944 wrote to memory of 2116 4944 wuehoin.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe"C:\Users\Admin\AppData\Local\Temp\5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\AppData\Local\Temp\5e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e.exe722⤵
- 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:2552 -
C:\Users\Admin\wuehoin.exe"C:\Users\Admin\wuehoin.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Users\Admin\wuehoin.exe724⤵
- 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:2116
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD5789b2d019ce1e089f23b34f9b93dd565
SHA13b3882a45eb17c14a40c604af3ee72587f3661e2
SHA2565e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e
SHA5129017ffffea9c77280b680170d94f77238f1d7b6fef5aa1ffe156f5998d879335be0a7baff85675d3d98a6936e2543b156075a88496dd51fc028ab28495883a3d
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Filesize
80KB
MD5789b2d019ce1e089f23b34f9b93dd565
SHA13b3882a45eb17c14a40c604af3ee72587f3661e2
SHA2565e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e
SHA5129017ffffea9c77280b680170d94f77238f1d7b6fef5aa1ffe156f5998d879335be0a7baff85675d3d98a6936e2543b156075a88496dd51fc028ab28495883a3d
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Filesize
80KB
MD5789b2d019ce1e089f23b34f9b93dd565
SHA13b3882a45eb17c14a40c604af3ee72587f3661e2
SHA2565e5791c3f9b8d158ea925e90510631dd4afc3d850d7b1c87b22f8cb30f69731e
SHA5129017ffffea9c77280b680170d94f77238f1d7b6fef5aa1ffe156f5998d879335be0a7baff85675d3d98a6936e2543b156075a88496dd51fc028ab28495883a3d