Analysis
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max time kernel
292s -
max time network
306s -
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 13:41
Static task
static1
Behavioral task
behavioral1
Sample
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe
Resource
win10v2004-20221111-en
General
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Target
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe
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Size
361KB
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MD5
68294a8c41f6d87bab65899673f2012a
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SHA1
6088baaba218e9fa1a8246913ac3b7b5b18a456f
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SHA256
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7
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SHA512
5b4fe5d051b546c84c28affe24982cb0f97b0b5aa5eb6393e8c273a2eef5c44954a887b81a1c76785fc073d0b7ad4bb79535004a345aa33ad6be69e630a55762
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SSDEEP
6144:aOtsZ0z0qiELrxCzc5dxlMsiC7sI31riG5DkzQWxuJXttry:aOO0zDVxngtSFikkz7xALy
Malware Config
Signatures
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Sets file execution options in registry 2 TTPs 2 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rsajozkho.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rsajozkho.exe\DisableExceptionChainValidation 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Checks for any installed AV software in registry 1 TTPs 2 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process File created C:\ProgramData\CreativeAudio\desktop.ini 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription pid process target process PID 3440 set thread context of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.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:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.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:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{19FF6DDF-C6FF-C24B-90E3-2B36FE62B5C1} 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{19FF6DDF-C6FF-C24B-90E3-2B36FE62B5C1}\0E7302EC 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{19FF6DDF-C6FF-C24B-90E3-2B36FE62B5C1}\0E7302EC\CG1\HAL = 05ee0000 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{19FF6DDF-C6FF-C24B-90E3-2B36FE62B5C1}\0E7302EC\CG1\BID = 2000080017000b00e60700001400000017000f002a000400000000004c3f7e63 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{19FF6DDF-C6FF-C24B-90E3-2B36FE62B5C1}\0E7302EC\CG1 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exepid process 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exepid process 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exepid process 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription pid process Token: SeRestorePrivilege 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Token: SeBackupPrivilege 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe Token: SeDebugPrivilege 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exedescription pid process target process PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 3440 wrote to memory of 544 3440 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe PID 544 wrote to memory of 1012 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe schtasks.exe PID 544 wrote to memory of 1012 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe schtasks.exe PID 544 wrote to memory of 1012 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe schtasks.exe PID 544 wrote to memory of 4860 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe WerFault.exe PID 544 wrote to memory of 4860 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe WerFault.exe PID 544 wrote to memory of 4860 544 8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe"C:\Users\Admin\AppData\Local\Temp\8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.exe"C:\Users\Admin\AppData\Local\Temp\8f179bd65c740d4f9832a90372e7d731e28ba4e3c8559187a05ec32c2559f9b7.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:544 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x0E7302EC" /TR "C:\ProgramData\CreativeAudio\rsajozkho.exe" /RL HIGHEST3⤵
- Creates scheduled task(s)
PID:1012 -
C:\Windows\SysWOW64\WerFault.exe"C:\Windows\SysWOW64\WerFault.exe"3⤵PID:4860