Analysis Overview
SHA256
4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e
Threat Level: Known bad
The file 4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e was found to be: Known bad.
Malicious Activity Summary
Kutaki Executable
Kutaki family
Kutaki
Executes dropped EXE
Drops startup file
Loads dropped DLL
Maps connected drives based on registry
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-27 23:40
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-27 23:40
Reported
2022-05-28 01:48
Platform
win7-20220414-en
Max time kernel
63s
Max time network
46s
Command Line
Signatures
Kutaki
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe | C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe | C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe | N/A |
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
Processes
C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe
"C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
Network
Files
memory/1664-56-0x0000000075941000-0x0000000075943000-memory.dmp
memory/1716-57-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe
| MD5 | f85699f0c3bca198228a5af7de67ecba |
| SHA1 | 56f4a24a398dae4e6e47d62832144673b3486f9f |
| SHA256 | 4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e |
| SHA512 | b170c937b015ae6a2ae98ae609f2c6626130681b95d45089d99d9bed9b8fffc54b170b1f69d0d2b64acbf8d3282e08e45b5accbdbbc753dbaa13d6ff510e3582 |
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe
| MD5 | f85699f0c3bca198228a5af7de67ecba |
| SHA1 | 56f4a24a398dae4e6e47d62832144673b3486f9f |
| SHA256 | 4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e |
| SHA512 | b170c937b015ae6a2ae98ae609f2c6626130681b95d45089d99d9bed9b8fffc54b170b1f69d0d2b64acbf8d3282e08e45b5accbdbbc753dbaa13d6ff510e3582 |
memory/1952-61-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vlikwech.exe
| MD5 | f85699f0c3bca198228a5af7de67ecba |
| SHA1 | 56f4a24a398dae4e6e47d62832144673b3486f9f |
| SHA256 | 4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e |
| SHA512 | b170c937b015ae6a2ae98ae609f2c6626130681b95d45089d99d9bed9b8fffc54b170b1f69d0d2b64acbf8d3282e08e45b5accbdbbc753dbaa13d6ff510e3582 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-27 23:40
Reported
2022-05-28 01:48
Platform
win10v2004-20220414-en
Max time kernel
151s
Max time network
175s
Command Line
Signatures
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe
"C:\Users\Admin\AppData\Local\Temp\4c1bc4e929ba5c02a4fbba9b7bb3eb728a3f4e010e04a9c10189487c1843085e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.248.21.254:80 | tcp | |
| US | 8.248.21.254:80 | tcp | |
| US | 8.248.21.254:80 | tcp | |
| IE | 13.69.239.72:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.248.21.254:80 | tcp | |
| US | 8.248.21.254:80 | tcp | |
| US | 8.248.21.254:80 | tcp |