Analysis Overview
SHA256
002f0bfd7f0c174e11f976f38861391e8f9eff093e8c3e36e01d811451c63ebd
Threat Level: Known bad
The file SUPLY.cmd was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V6
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
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
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 |
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 |
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2116 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2116 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2116 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\SUPLY.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 368 wrote to memory of 580 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 368 wrote to memory of 580 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 368 wrote to memory of 580 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.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\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
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
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