Analysis Overview
SHA256
614b1804f29b1fd1aaaf62dd34c9a731bd43d68f47407e0ca2aec09a246e4101
Threat Level: Known bad
The file 614b1804f29b1fd1aaaf62dd34c9a731bd43d68f47407e0ca2aec09a246e4101 was found to be: Known bad.
Malicious Activity Summary
Kutaki family
Kutaki
Kutaki Executable
Executes dropped EXE
Drops startup file
Loads dropped DLL
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-21 01:12
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-21 01:12
Reported
2022-05-21 01:43
Platform
win7-20220414-en
Max time kernel
62s
Max time network
47s
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\sdookich.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\image.exe
"C:\Users\Admin\AppData\Local\Temp\image.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe"
Network
Files
memory/1040-56-0x0000000076811000-0x0000000076813000-memory.dmp
memory/1996-57-0x0000000000000000-mapping.dmp
memory/2036-60-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe
| MD5 | 8386b787dfff37c3e7bcdcc03a0a7487 |
| SHA1 | c20d9e818f912fc4f47ed1e85718c6196b911801 |
| SHA256 | 25f0420d3551985569fb57497301c7d2f691083d7318d28db5bab2e8a6a0bb85 |
| SHA512 | aace70e1d3bd221fffdcfe8649df4e47807b5f2679032866acf31b41814623eab85b6930bb9e79c11d4f48edfb5670d9d9a98941106c06c67cd9bd22f5c64bd0 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe
| MD5 | 8386b787dfff37c3e7bcdcc03a0a7487 |
| SHA1 | c20d9e818f912fc4f47ed1e85718c6196b911801 |
| SHA256 | 25f0420d3551985569fb57497301c7d2f691083d7318d28db5bab2e8a6a0bb85 |
| SHA512 | aace70e1d3bd221fffdcfe8649df4e47807b5f2679032866acf31b41814623eab85b6930bb9e79c11d4f48edfb5670d9d9a98941106c06c67cd9bd22f5c64bd0 |
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdookich.exe
| MD5 | 8386b787dfff37c3e7bcdcc03a0a7487 |
| SHA1 | c20d9e818f912fc4f47ed1e85718c6196b911801 |
| SHA256 | 25f0420d3551985569fb57497301c7d2f691083d7318d28db5bab2e8a6a0bb85 |
| SHA512 | aace70e1d3bd221fffdcfe8649df4e47807b5f2679032866acf31b41814623eab85b6930bb9e79c11d4f48edfb5670d9d9a98941106c06c67cd9bd22f5c64bd0 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-21 01:12
Reported
2022-05-21 01:44
Platform
win10v2004-20220414-en
Max time kernel
124s
Max time network
160s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5100 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5100 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5100 wrote to memory of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5100 wrote to memory of 4672 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe |
| PID 5100 wrote to memory of 4672 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe |
| PID 5100 wrote to memory of 4672 | N/A | C:\Users\Admin\AppData\Local\Temp\image.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\image.exe
"C:\Users\Admin\AppData\Local\Temp\image.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 52.109.8.21:443 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.25.243:80 | tcp | |
| US | 8.8.8.8:53 | 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/4784-132-0x0000000000000000-mapping.dmp
memory/4672-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe
| MD5 | 8386b787dfff37c3e7bcdcc03a0a7487 |
| SHA1 | c20d9e818f912fc4f47ed1e85718c6196b911801 |
| SHA256 | 25f0420d3551985569fb57497301c7d2f691083d7318d28db5bab2e8a6a0bb85 |
| SHA512 | aace70e1d3bd221fffdcfe8649df4e47807b5f2679032866acf31b41814623eab85b6930bb9e79c11d4f48edfb5670d9d9a98941106c06c67cd9bd22f5c64bd0 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lpjnoxch.exe
| MD5 | 8386b787dfff37c3e7bcdcc03a0a7487 |
| SHA1 | c20d9e818f912fc4f47ed1e85718c6196b911801 |
| SHA256 | 25f0420d3551985569fb57497301c7d2f691083d7318d28db5bab2e8a6a0bb85 |
| SHA512 | aace70e1d3bd221fffdcfe8649df4e47807b5f2679032866acf31b41814623eab85b6930bb9e79c11d4f48edfb5670d9d9a98941106c06c67cd9bd22f5c64bd0 |