Analysis
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max time kernel
152s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe
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Size
304KB
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MD5
f95cf9af8fd14f79a920bccc19d696ba
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SHA1
8d9634d7b6e93e0dd0767d6523d8aa4ee2def74c
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SHA256
0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0
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SHA512
668d6983e202108576a7d45be8ac0be7f390bf7289ba01f46d2b7412c27a66acfe0e3e4dd83cf7a702e52d7c6acc3b78cd2e423f7877435c145a010d1dad71fd
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SSDEEP
3072:iRf1i2Dwhe6YIRnbXtcU75FzKqc+HTi1op2aEaDFHT+7pvPxvQTo:tx9oYixla8xN
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" viopoa.exe -
Executes dropped EXE 1 IoCs
pid Process 4324 viopoa.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /z" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /y" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /l" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /f" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /r" 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /w" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /c" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /n" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /b" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /r" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /x" viopoa.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /i" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /g" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /s" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /d" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /p" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /o" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /e" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /u" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /t" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /a" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /j" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /m" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /q" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /k" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /h" viopoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\viopoa = "C:\\Users\\Admin\\viopoa.exe /v" viopoa.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 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe 4324 viopoa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 4324 viopoa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3400 wrote to memory of 4324 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 84 PID 3400 wrote to memory of 4324 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 84 PID 3400 wrote to memory of 4324 3400 0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.exe"C:\Users\Admin\AppData\Local\Temp\0f85984254be4c9a63d196eec379c6ffa64499c407fdd3978f931d9fbe0930d0.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:3400 -
C:\Users\Admin\viopoa.exe"C:\Users\Admin\viopoa.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:4324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
304KB
MD577fdac305009683a714e03f4832739fd
SHA1fb58cd39493646eb1d56ca035abecc3ff4830a50
SHA2569c33eba887186e0a0ba62d0fac9f33175099d6756c0fdf58d74d9f18d8982fc9
SHA51260cc3cf95731ee44cc2fd18229c321aed3e89de0b2af634752d494c6b701bd86a0d401665f307e0aea2babb622a6ce33020efaa0940cb285b25b3d5c263fc826
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Filesize
304KB
MD577fdac305009683a714e03f4832739fd
SHA1fb58cd39493646eb1d56ca035abecc3ff4830a50
SHA2569c33eba887186e0a0ba62d0fac9f33175099d6756c0fdf58d74d9f18d8982fc9
SHA51260cc3cf95731ee44cc2fd18229c321aed3e89de0b2af634752d494c6b701bd86a0d401665f307e0aea2babb622a6ce33020efaa0940cb285b25b3d5c263fc826