Analysis Overview
SHA256
45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c
Threat Level: Known bad
The file 45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c was found to be: Known bad.
Malicious Activity Summary
Kutaki
Kutaki Executable
Kutaki family
Executes dropped EXE
Sets service image path in registry
Checks computer location settings
Drops startup file
Loads dropped DLL
Drops file in Windows directory
Enumerates physical storage devices
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Modifies data under HKEY_USERS
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-05 06:32
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-05 06:32
Reported
2022-02-05 06:35
Platform
win10v2004-en-20220113
Max time kernel
151s
Max time network
136s
Command Line
Signatures
Kutaki
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | N/A |
Sets service image path in registry
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\Debug\WIA\wiatrace.log | C:\Windows\SysWOW64\mspaint.exe | N/A |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{88ad39db-0d0c-4a38-8435-4043826b5c91}\0009 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{656a3bb3-ecc0-43fd-8477-4ae0404a96cd}\300A | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Capabilities | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0004 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0004 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0034 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0038 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{3464f7a4-2444-40b1-980a-e0903cb6d912}\0006 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{656a3bb3-ecc0-43fd-8477-4ae0404a96cd}\2002 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0064 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004A | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{4340a6c5-93fa-4706-972c-7b648008a5a7}\0008 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Capabilities | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\HardwareID | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004A | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{656a3bb3-ecc0-43fd-8477-4ae0404a96cd}\2006 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{88ad39db-0d0c-4a38-8435-4043826b5c91}\000A | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{4340a6c5-93fa-4706-972c-7b648008a5a7}\0008 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0008 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004C | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{3464f7a4-2444-40b1-980a-e0903cb6d912}\0016 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{3464f7a4-2444-40b1-980a-e0903cb6d912}\000A\ | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0002 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0052 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{88ad39db-0d0c-4a38-8435-4043826b5c91}\0008 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0055 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0003 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\DeviceDesc | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0054 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0051 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{3464f7a4-2444-40b1-980a-e0903cb6d912}\000A | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{3464f7a4-2444-40b1-980a-e0903cb6d912}\000A\ | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\0005 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0004 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0065 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0018 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0018 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0008\ | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{656a3bb3-ecc0-43fd-8477-4ae0404a96cd}\300A | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0003 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Mfg | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0038 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004E | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004D | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0008 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0052 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\004D | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0002 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{80d81ea6-7473-4b0c-8216-efc11a2c4c8b}\0002 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\CompatibleIDs | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0034 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\0058 | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\0005 | C:\Windows\system32\svchost.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs | C:\Windows\System32\WaaSMedicAgent.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mspaint.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp
C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s DsmSvc
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe"
C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 7d19c555c5269b42658a30aa2939713e RtQv6Go+EUmv1nsbgWwDXw.0.1.0.0.0
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| FR | 2.18.105.186:80 | go.microsoft.com | tcp |
| US | 8.8.8.8:53 | dmd.metaservices.microsoft.com | udp |
| SG | 168.63.250.82:80 | dmd.metaservices.microsoft.com | tcp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
Files
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bknoanch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |
memory/5056-148-0x000001CCE93C0000-0x000001CCE93C4000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-05 06:32
Reported
2022-02-05 06:35
Platform
win7-en-20211208
Max time kernel
150s
Max time network
130s
Command Line
Signatures
Kutaki
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe"
Network
Files
memory/1192-56-0x0000000075891000-0x0000000075893000-memory.dmp
memory/812-59-0x0000000000400000-0x0000000000402000-memory.dmp
memory/1944-60-0x00000000001E0000-0x00000000001E2000-memory.dmp
memory/1944-61-0x0000000000340000-0x0000000000341000-memory.dmp
memory/1192-62-0x00000000032F1000-0x000000000419D000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |
memory/672-69-0x00000000031F1000-0x000000000409D000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gdonvdch.exe
| MD5 | a7f37abc65de8b02ac67af17a289ad69 |
| SHA1 | 6d271d0f377728657f4c284253cdc51faa3fdb5c |
| SHA256 | 7dfb08f5a669070d545d5e1e4d72c27b8c80d9c95820e441bbbacf1e9dd4aa31 |
| SHA512 | fec499c6dc1f5bbef6f36aa90cbbe35217633ebbafad5429af229a72909445273cecfb0c5b109bec680f54663d51d3b9fa4376c6926c56ef81112d32c8737f3b |