Analysis Overview
SHA256
3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a
Threat Level: Known bad
The file 3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V6
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
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
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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.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 1832 wrote to memory of 4288 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1832 wrote to memory of 4288 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1832 wrote to memory of 4288 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4288 wrote to memory of 5116 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 4288 wrote to memory of 5116 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
| PID 4288 wrote to memory of 5116 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mspaint.exe |
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
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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1676 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1676 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1676 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1676 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe | C:\Windows\SysWOW64\cmd.exe |
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
Files
memory/1676-57-0x0000000076451000-0x0000000076453000-memory.dmp
memory/1328-58-0x0000000000000000-mapping.dmp