Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 14:41
Static task
static1
Behavioral task
behavioral1
Sample
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Resource
win10v2004-20221111-en
General
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Target
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
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Size
263KB
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MD5
1b94757c66c44b7739a18ff3f7f0a594
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SHA1
2a12455c62c8eb831363f7ad5b03aea96b7bfd65
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SHA256
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9
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SHA512
f3390db17b4e7c7d027e5c9cbfba8295253c97c06674d67ab9e51e3b6dbd4fdeb417ac8b74baf0ea7623b12a2f3132c4c59ad7c4881a0f189a0c19d1c2ac8a28
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SSDEEP
3072:uZFcX5uDAwaTGgAigWW6KYO9UHIF6gsml5uWTtS6Vh1Gsv4PYA:uZ75Pig16ycWJjl5HtS6VKsvyD
Malware Config
Signatures
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Sets file execution options in registry 2 TTPs 2 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\carfgoufe.exe 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\carfgoufe.exe\DisableExceptionChainValidation 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Checks for any installed AV software in registry 1 TTPs 2 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process File created C:\ProgramData\Windows Kernel Updater\desktop.ini 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription pid process target process PID 4800 set thread context of 4624 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies registry class 6 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{2A106CAA-4041-DB4F-8E29-A25F4CDA96C1}\04E80169 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Set value (data) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{2A106CAA-4041-DB4F-8E29-A25F4CDA96C1}\04E80169\CG1\HAL = 05ee0000 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Set value (data) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{2A106CAA-4041-DB4F-8E29-A25F4CDA96C1}\04E80169\CG1\BID = 2000080017000b00e607000014000000170010002d00140000000000204e7e63 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{2A106CAA-4041-DB4F-8E29-A25F4CDA96C1}\04E80169\CG1 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{2A106CAA-4041-DB4F-8E29-A25F4CDA96C1} 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exepid process 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exepid process 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription pid process Token: SeRestorePrivilege 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Token: SeBackupPrivilege 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe Token: SeDebugPrivilege 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exedescription pid process target process PID 4800 wrote to memory of 4624 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe PID 4800 wrote to memory of 4624 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe PID 4800 wrote to memory of 4624 4800 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe PID 4624 wrote to memory of 4396 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe schtasks.exe PID 4624 wrote to memory of 4396 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe schtasks.exe PID 4624 wrote to memory of 4396 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe schtasks.exe PID 4624 wrote to memory of 2516 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe WerFault.exe PID 4624 wrote to memory of 2516 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe WerFault.exe PID 4624 wrote to memory of 2516 4624 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"2⤵
- Sets file execution options in registry
- Checks computer location settings
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x04E80169" /TR "C:\ProgramData\Windows Kernel Updater\carfgoufe.exe" /RL HIGHEST3⤵
- Creates scheduled task(s)
PID:4396 -
C:\Windows\SysWOW64\WerFault.exe"C:\Windows\SysWOW64\WerFault.exe"3⤵PID:2516