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Analysis
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max time kernel
152s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 22:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe
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Size
172KB
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MD5
d0d9ebf4b1539932a4a2469f9bf33b13
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SHA1
e548f87f5fdefe80a3f9fe988d960fc18e8388e5
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SHA256
660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2
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SHA512
f464637fd1cc409ec64f373fa77ab0a84cc9d5ef33a99de602f2da9b03f20327e5b6d68d52b66af9522ccd2ecec0c5703d3ac3b5f1317d7700b48b553249f28f
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SSDEEP
3072:+CqRckq+4xLKGPQb6pLnq1AbpaMAePjTY273c0Ii8onzK9:qjWxLKGPQbWqliA27MLsK
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-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe Set value (int) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" meoosur.exe -
Executes dropped EXE 1 IoCs
pid Process 3024 meoosur.exe -
Loads dropped DLL 2 IoCs
pid Process 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /x" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /f" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /e" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /n" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /h" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /g" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /o" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /w" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /i" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /v" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /b" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /q" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /c" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /p" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /z" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /y" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /r" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /a" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /d" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /l" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /k" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /m" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /j" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /t" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /c" 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /s" meoosur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\meoosur = "C:\\Users\\Admin\\meoosur.exe /u" meoosur.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe 3024 meoosur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 3024 meoosur.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2308 wrote to memory of 3024 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 28 PID 2308 wrote to memory of 3024 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 28 PID 2308 wrote to memory of 3024 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 28 PID 2308 wrote to memory of 3024 2308 660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe"C:\Users\Admin\AppData\Local\Temp\660b07894dbb15e23d0fba1854641f4dd2335892bb0d23bdd9422938876271d2.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\meoosur.exe"C:\Users\Admin\meoosur.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:3024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
172KB
MD59127b0a3f1758f771e9a01e02c46debb
SHA1e7279ffd47deb0e31ce2731026b13d5e3277afdd
SHA2565f7102d65db666f0a842dbba73c919e1ae76ae6f7cf56fcd8250db23f5837bd6
SHA51221090278e362bee84d7f2f0f23d44a90c8d55e15c71d4f11131ca414f8d496dc490559f0534647c04377a8680b01923e3f6b3be318d7396a58bfe787df34309a