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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 18:18
Static task
static1
Behavioral task
behavioral1
Sample
069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe
Resource
win10v2004-20240226-en
General
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Target
069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe
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Size
168KB
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MD5
31bb7fa59ce0f076af3ec0db9bb908a9
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SHA1
b2526fda191c05cdf923c69b6f538763b4b77193
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SHA256
069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7
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SHA512
8b5e782985030f37ced3a385dc7bfd45bf84cf682bc0e7f34aded3161cc718212d03f5b8480bc146865c2fef14792017a1ef55dbb9b441964fdb5847c301d5b8
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SSDEEP
1536:oVpy3/PPqPmbczTGRfu+1niPRI7gIeTo88zQMihZOy+RMnmE7UkAEJZvhICqDojk:OkPqPmbczTGRfu67bNz2hT9nmEA19
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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" sizud.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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe -
Executes dropped EXE 1 IoCs
pid Process 2220 sizud.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /v" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /q" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /g" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /t" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /h" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /o" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /i" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /b" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /p" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /n" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /x" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /w" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /s" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /u" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /d" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /a" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /k" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /e" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /c" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /z" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /l" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /m" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /j" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /f" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /r" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /y" sizud.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sizud = "C:\\Users\\Admin\\sizud.exe /s" 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.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 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe 2220 sizud.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 2220 sizud.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3868 wrote to memory of 2220 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 92 PID 3868 wrote to memory of 2220 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 92 PID 3868 wrote to memory of 2220 3868 069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.exe"C:\Users\Admin\AppData\Local\Temp\069bf8bbb54406dabfd37d1f7d88df7846785cbe3404383c546ba8b4e47523d7.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:3868 -
C:\Users\Admin\sizud.exe"C:\Users\Admin\sizud.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:2220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD55421ebba18b769f92f2be34a10ca7901
SHA167ad5bccc9b18b3adea9508a16668ad858bfcf04
SHA256e2f51229b929fdefb2b5b99af94ddbf5c62f70cbfae73eeb33ef2fcd7b4b66f7
SHA512d6a045e557df8ead15ca0b1faf0dc787bab66bdb30fd8ca8fc14bd01f16eebb97df78cad6c426cf2d631b8a49cab93582a724ea07ea830c29a6105b26584af35