Malware Analysis Report

2024-11-30 11:24

Sample ID 220508-2grlpaccdk
Target 3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a
SHA256 3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a
Tags
kutaki
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

3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a

Threat Level: Known bad

The file 3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a was found to be: Known bad.

Malicious Activity Summary

kutaki

Kutaki Executable

Kutaki family

Checks computer location settings

Drops file in Windows directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-08 22:33

Signatures

Kutaki Executable

Description Indicator Process Target
N/A N/A N/A N/A

Kutaki family

kutaki

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-08 22:33

Reported

2022-05-09 00:12

Platform

win10v2004-20220414-en

Max time kernel

165s

Max time network

177s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\cmd.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Windows\SysWOW64\mspaint.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_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

Processes

C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe

"C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c C:\Users\Admin\AppData\Local\Temp\RECEIPT.bmp

C:\Windows\SysWOW64\mspaint.exe

"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\RECEIPT.bmp"

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService

Network

Country Destination Domain Proto
US 52.109.8.21:443 tcp
NL 104.110.191.133:80 tcp
US 20.189.173.9:443 tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/4288-133-0x0000000000000000-mapping.dmp

memory/5116-134-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-08 22:33

Reported

2022-05-09 00:12

Platform

win7-20220414-en

Max time kernel

37s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe

"C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c C:\Users\Admin\AppData\Local\Temp\RECEIPT.bmp

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

Network

N/A

Files

memory/1676-57-0x0000000076451000-0x0000000076453000-memory.dmp

memory/1328-58-0x0000000000000000-mapping.dmp