Analysis Overview
SHA256
a75b04b359e9fba84407f4763ee90c36031685de4ea4b38020f9913b815baf71
Threat Level: Known bad
The file image.cmd was found to be: Known bad.
Malicious Activity Summary
Kutaki family
Kutaki Executable
Checks computer location settings
Drops file in Windows directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-17 16:16
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-17 16:16
Reported
2022-01-17 16:19
Platform
win7-en-20211208
Max time kernel
118s
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\image.cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1592 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1592 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1592 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1592 wrote to memory of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\image.cmd.exe
"C:\Users\Admin\AppData\Local\Temp\image.cmd.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\FILE.bmp
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
Network
Files
memory/1592-54-0x0000000000230000-0x0000000000236000-memory.dmp
memory/1592-55-0x0000000000230000-0x000000000023A000-memory.dmp
memory/1592-56-0x0000000075D51000-0x0000000075D53000-memory.dmp
memory/752-57-0x0000000000000000-mapping.dmp
memory/752-60-0x0000000000700000-0x0000000000702000-memory.dmp
memory/1788-61-0x0000000000220000-0x0000000000222000-memory.dmp
memory/1788-62-0x0000000000340000-0x0000000000341000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-17 16:16
Reported
2022-01-17 16:19
Platform
win10v2004-en-20220113
Max time kernel
4265058s
Max time network
125s
Command Line
Signatures
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 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
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotification.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotification.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\MusNotification.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\MusNotification.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.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 3288 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3288 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3288 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\image.cmd.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3528 wrote to memory of 3304 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 3528 wrote to memory of 3304 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 3528 wrote to memory of 3304 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\image.cmd.exe
"C:\Users\Admin\AppData\Local\Temp\image.cmd.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\FILE.bmp
C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\FILE.bmp"
C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | time.windows.com | udp |
| US | 8.8.8.8:53 | slscr.update.microsoft.com | udp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| NL | 40.119.148.38:123 | time.windows.com | udp |
| US | 8.8.8.8:53 | fe3cr.delivery.mp.microsoft.com | udp |
| US | 8.8.8.8:53 | fe3cr.delivery.mp.microsoft.com | udp |
| US | 40.125.122.151:443 | fe3cr.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | displaycatalog.mp.microsoft.com | udp |
| IE | 20.54.110.249:443 | displaycatalog.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | arc.msn.com | udp |
| US | 52.184.206.73:443 | arc.msn.com | tcp |
| IE | 20.54.110.249:443 | displaycatalog.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | slscr.update.microsoft.com | udp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| US | 8.8.8.8:53 | ris.api.iris.microsoft.com | udp |
| US | 52.252.42.28:443 | ris.api.iris.microsoft.com | tcp |
| US | 52.242.101.226:443 | slscr.update.microsoft.com | tcp |
| US | 8.8.8.8:53 | img-prod-cms-rt-microsoft-com.akamaized.net | udp |
| FR | 2.22.147.48:443 | img-prod-cms-rt-microsoft-com.akamaized.net | tcp |
| FR | 2.18.105.186:80 | go.microsoft.com | tcp |
| US | 8.8.8.8:53 | dmd.metaservices.microsoft.com | udp |
| US | 52.188.50.245:80 | dmd.metaservices.microsoft.com | tcp |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/3288-130-0x0000000000950000-0x0000000000956000-memory.dmp
memory/3288-131-0x0000000000950000-0x000000000095A000-memory.dmp
memory/3528-132-0x0000000000000000-mapping.dmp
memory/3304-133-0x0000000000000000-mapping.dmp