Analysis
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max time kernel
150s -
max time network
102s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
12/10/2022, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe
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Size
112KB
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MD5
55a29880b3c0b856553d06d6038dd6e0
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SHA1
5ba18377bbb7dd4064fc34c6362636d710fdc367
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SHA256
c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
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SHA512
ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5
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SSDEEP
1536:ShlVke+XuQa6cRvyG7BjqswYuKA4aBCEFwOq4CRRH3mKhybARA:1BCsGoSuKA427+0K+H
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" feuviw.exe -
Executes dropped EXE 2 IoCs
pid Process 276 feuviw.exe 1728 feuviw.exe -
Loads dropped DLL 2 IoCs
pid Process 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /e" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /m" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /l" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /a" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /q" c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /g" feuviw.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /k" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /d" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /u" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /t" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /x" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /f" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /h" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /n" feuviw.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /q" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /p" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /s" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /o" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /c" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /v" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /r" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /i" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /y" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /j" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /b" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /w" feuviw.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\feuviw = "C:\\Users\\Admin\\feuviw.exe /z" feuviw.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 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum feuviw.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 feuviw.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 feuviw.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1600 set thread context of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 276 set thread context of 1728 276 feuviw.exe 29 -
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 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe 1728 feuviw.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 276 feuviw.exe 1728 feuviw.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1600 wrote to memory of 1280 1600 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 27 PID 1280 wrote to memory of 276 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 28 PID 1280 wrote to memory of 276 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 28 PID 1280 wrote to memory of 276 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 28 PID 1280 wrote to memory of 276 1280 c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe 28 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29 PID 276 wrote to memory of 1728 276 feuviw.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe"C:\Users\Admin\AppData\Local\Temp\c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Users\Admin\feuviw.exe"C:\Users\Admin\feuviw.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Users\Admin\feuviw.exe714⤵
- 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:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
112KB
MD555a29880b3c0b856553d06d6038dd6e0
SHA15ba18377bbb7dd4064fc34c6362636d710fdc367
SHA256c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
SHA512ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5
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Filesize
112KB
MD555a29880b3c0b856553d06d6038dd6e0
SHA15ba18377bbb7dd4064fc34c6362636d710fdc367
SHA256c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
SHA512ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5
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Filesize
112KB
MD555a29880b3c0b856553d06d6038dd6e0
SHA15ba18377bbb7dd4064fc34c6362636d710fdc367
SHA256c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
SHA512ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5
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Filesize
112KB
MD555a29880b3c0b856553d06d6038dd6e0
SHA15ba18377bbb7dd4064fc34c6362636d710fdc367
SHA256c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
SHA512ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5
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Filesize
112KB
MD555a29880b3c0b856553d06d6038dd6e0
SHA15ba18377bbb7dd4064fc34c6362636d710fdc367
SHA256c3e144f23d77a8368bbb2be2d39fe8648ee9512fd6acbfa3b9cee1043f153f31
SHA512ef1667ecc920a89a7e9b7896e1bcaa361ffe7effe9296bd5785c4a477f4b28fc364a1987db3045ac3585b644b3de8e4b27767852a8b51a98e800b3e07b1dfdf5