Malware Analysis Report

2024-11-30 11:26

Sample ID 220205-haw32shahr
Target 45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c
SHA256 45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c
Tags
kutaki keylogger persistence stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c

Threat Level: Known bad

The file 45aecd6123f928ed68dd96ff464e22bdcd92ff3872159649edf8a082bbaa5d8c was found to be: Known bad.

Malicious Activity Summary

kutaki keylogger persistence stealer

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

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

kutaki

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

"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"

Signatures

Kutaki

stealer keylogger 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

persistence

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

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

"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"

Signatures

Kutaki

stealer keylogger 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

adware spyware
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

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

N/A

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