Analysis Overview
SHA256
56a6bca7c19df8d148d6662a92c118035254d929df721f4112b7f59aece15866
Threat Level: Known bad
The file c6f03fe1e88eba449e3d525aebb408e4 was found to be: Known bad.
Malicious Activity Summary
Kutaki
Kutaki family
Kutaki Executable
Executes dropped EXE
Loads dropped DLL
Drops startup file
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-25 04:34
Signatures
Kutaki Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kutaki family
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-25 04:34
Reported
2022-07-25 09:45
Platform
win10v2004-20220721-en
Max time kernel
124s
Max time network
147s
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\oupbuech.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.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\NEFT_Payment.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4792 wrote to memory of 4400 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4792 wrote to memory of 4400 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4792 wrote to memory of 4400 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4792 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe |
| PID 4792 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe |
| PID 4792 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.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\oupbuech.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.253.146.121:80 | tcp | |
| US | 8.253.146.121:80 | tcp | |
| US | 8.253.146.121:80 | tcp | |
| US | 8.253.146.121:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| FR | 40.79.141.154:443 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| FR | 2.18.109.224:443 | tcp | |
| US | 93.184.220.29:80 | tcp |
Files
memory/4400-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe
| MD5 | 28ef0988445cc4cdb59d31feca704df2 |
| SHA1 | 0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f |
| SHA256 | 720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1 |
| SHA512 | fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oupbuech.exe
| MD5 | 28ef0988445cc4cdb59d31feca704df2 |
| SHA1 | 0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f |
| SHA256 | 720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1 |
| SHA512 | fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec |
memory/4024-133-0x0000000000000000-mapping.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-25 04:34
Reported
2022-07-25 09:44
Platform
win7-20220718-en
Max time kernel
149s
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\moeydbch.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.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\moeydbch.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe"
Network
Files
memory/552-56-0x0000000075CB1000-0x0000000075CB3000-memory.dmp
memory/1540-57-0x0000000000000000-mapping.dmp
memory/1448-60-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe
| MD5 | 28ef0988445cc4cdb59d31feca704df2 |
| SHA1 | 0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f |
| SHA256 | 720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1 |
| SHA512 | fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec |
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe
| MD5 | 28ef0988445cc4cdb59d31feca704df2 |
| SHA1 | 0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f |
| SHA256 | 720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1 |
| SHA512 | fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe
| MD5 | 28ef0988445cc4cdb59d31feca704df2 |
| SHA1 | 0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f |
| SHA256 | 720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1 |
| SHA512 | fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec |