Analysis
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max time kernel
151s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2022 19:26
Static task
static1
Behavioral task
behavioral1
Sample
822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe
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Size
116KB
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MD5
4775ef3fc8664d3cf991fe71d85d5ae6
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SHA1
bd8ffbfb43dd2e7535c403dc8af0e45a08212e43
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SHA256
822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95
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SHA512
f1b564ac1946e7423ab59882a9ef443d47ae4f64e3b745b84451fae4dd67ed5a0a4e187dc8846e1d86e2e62cc9d13757db6c4aa864a621792efaf8985b0524b2
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SSDEEP
1536:OWxBr+AQR8Kw6KBOcW4Z8HO1Zwt0f4HfDUEdMOPy9sbgNcwo7JaS1:RiACfcr1ZoDUEdZwQL
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" 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muiopat.exe -
Executes dropped EXE 1 IoCs
pid Process 1260 muiopat.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 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /W" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /G" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /L" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /U" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /r" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /x" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /e" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /C" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /w" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /P" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /t" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /a" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /z" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /J" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /g" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /H" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /d" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /Q" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /B" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /f" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /I" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /N" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /p" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /K" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /D" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /X" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /l" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /y" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /c" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /m" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /Z" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /T" muiopat.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /F" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /Y" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /s" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /u" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /O" muiopat.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /o" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /S" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /E" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /j" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /M" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /i" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /V" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /q" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /R" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /v" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /n" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /A" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /d" 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /h" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /k" muiopat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muiopat = "C:\\Users\\Admin\\muiopat.exe /b" muiopat.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 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe 1260 muiopat.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 1260 muiopat.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4980 wrote to memory of 1260 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 82 PID 4980 wrote to memory of 1260 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 82 PID 4980 wrote to memory of 1260 4980 822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.exe"C:\Users\Admin\AppData\Local\Temp\822d4c81192ffb8322420c4bf81fded452727a9843b0bebc96d65610edba7b95.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:4980 -
C:\Users\Admin\muiopat.exe"C:\Users\Admin\muiopat.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:1260
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD5aa6ec0bde39a0a92b86b20c0dd3550d5
SHA167c55e3589f65d25a9f062c4f1a147d8297329d7
SHA2561c237a11e735d05f10751985d13ae9867b659a59a1617e3f134ada4f6588b571
SHA51277b84dd00d14a67de036f627099e9d24d26599aaf77c4be3f3ede942ba6184a479ada2728230bc04176d3ce971f6648c8ad1e87577ecf96927f2c7aa908deab3
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Filesize
116KB
MD5aa6ec0bde39a0a92b86b20c0dd3550d5
SHA167c55e3589f65d25a9f062c4f1a147d8297329d7
SHA2561c237a11e735d05f10751985d13ae9867b659a59a1617e3f134ada4f6588b571
SHA51277b84dd00d14a67de036f627099e9d24d26599aaf77c4be3f3ede942ba6184a479ada2728230bc04176d3ce971f6648c8ad1e87577ecf96927f2c7aa908deab3