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Analysis
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max time kernel
154s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/10/2022, 14:06
Static task
static1
Behavioral task
behavioral1
Sample
0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe
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Size
384KB
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MD5
90d855911da33cbe8360186919a524e0
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SHA1
8993977bf29390a7281d00313114d30cef3c8b54
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SHA256
0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db
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SHA512
7588996c5fdc330dd20ccc2eb8669d75d13a1879ab7883afee5fd2695115e49c31a1685355bf0a43232acc0e5ee381e82c0ce916ba800952acff9cae8f3fc226
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SSDEEP
6144:0stj9I6AG6ud4a2TURdaDZ23w8QEoKHjWZLKBPvHIWMP0:iVakZ2A81vWpaPve0
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" meiuha.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe -
Executes dropped EXE 1 IoCs
pid Process 3400 meiuha.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /o" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /g" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /l" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /p" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /v" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /t" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /j" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /z" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /y" meiuha.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /e" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /r" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /a" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /b" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /c" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /x" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /i" meiuha.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /h" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /f" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /s" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /u" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /d" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /y" 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /m" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /q" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /n" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /k" meiuha.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\meiuha = "C:\\Users\\Admin\\meiuha.exe /w" meiuha.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 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe 3400 meiuha.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 3400 meiuha.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 3400 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 85 PID 5032 wrote to memory of 3400 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 85 PID 5032 wrote to memory of 3400 5032 0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.exe"C:\Users\Admin\AppData\Local\Temp\0991a4b587d8f4c8fd0390b02ff15cb48071a50a366442e1be8c234b529189db.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:5032 -
C:\Users\Admin\meiuha.exe"C:\Users\Admin\meiuha.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:3400
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
384KB
MD5e6e0f99743e3641a34aa9bdebdfd5e71
SHA15e5702ca039cdacce012a307d11682044cb21a95
SHA25680977694e13bf20a5ddf5015ebe234094a6f5a4a5abafc0c13617f4d107edbc0
SHA512c93db8ff0fe24040e3baa92f5e9d29d2c29ac69bd2c88cde826f017c17a954976636ebc74c5809235bc81421a05d14f50135e63f64c650be45cd1c554b94169c
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Filesize
384KB
MD5e6e0f99743e3641a34aa9bdebdfd5e71
SHA15e5702ca039cdacce012a307d11682044cb21a95
SHA25680977694e13bf20a5ddf5015ebe234094a6f5a4a5abafc0c13617f4d107edbc0
SHA512c93db8ff0fe24040e3baa92f5e9d29d2c29ac69bd2c88cde826f017c17a954976636ebc74c5809235bc81421a05d14f50135e63f64c650be45cd1c554b94169c