Malware Analysis Report

2024-11-30 11:25

Sample ID 211214-w9hatsgca6
Target SUPLY.cmd
SHA256 002f0bfd7f0c174e11f976f38861391e8f9eff093e8c3e36e01d811451c63ebd
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

002f0bfd7f0c174e11f976f38861391e8f9eff093e8c3e36e01d811451c63ebd

Threat Level: Known bad

The file SUPLY.cmd was found to be: Known bad.

Malicious Activity Summary

kutaki

Kutaki Executable

Kutaki family

Drops file in Windows directory

Enumerates physical storage devices

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-12-14 18:37

Signatures

Kutaki Executable

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

Kutaki family

kutaki

Analysis: behavioral2

Detonation Overview

Submitted

2021-12-14 18:37

Reported

2021-12-14 18:39

Platform

win10-en-20211208

Max time kernel

110s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe"

Signatures

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-1-5-21-369956170-74428499-1628131376-1000_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\SUPLY.cmd.exe

"C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.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 -s DeviceAssociationService

Network

Country Destination Domain Proto
US 8.8.8.8:53 time.windows.com udp
US 168.61.215.74:123 time.windows.com udp

Files

memory/2116-115-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/2116-116-0x00000000006B0000-0x00000000006BA000-memory.dmp

memory/368-117-0x0000000000000000-mapping.dmp

memory/580-118-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2021-12-14 18:37

Reported

2021-12-14 18:39

Platform

win7-en-20211208

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe"

Signatures

Enumerates physical storage devices

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\SUPLY.cmd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1676 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1676 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1676 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 1676 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe

"C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.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/1676-55-0x00000000003C0000-0x00000000003C6000-memory.dmp

memory/1676-56-0x00000000003C0000-0x00000000003CA000-memory.dmp

memory/1676-57-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

memory/524-58-0x0000000000000000-mapping.dmp

memory/524-61-0x00000000006B0000-0x00000000006B2000-memory.dmp

memory/920-62-0x0000000000220000-0x0000000000222000-memory.dmp

memory/920-63-0x00000000003A0000-0x00000000003A1000-memory.dmp