Analysis Overview
SHA256
b484d80a99b9fcd1f060955d2ee645c2a3ad04ad7c51f29121ba28b21e524557
Threat Level: Known bad
The file 751abbc5a0f05d1b820100cb82287e01 was found to be: Known bad.
Malicious Activity Summary
Kinsing
Modifies Windows Firewall
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 17:33
Reported
2024-01-25 17:35
Platform
win7-20231215-en
Max time kernel
150s
Max time network
126s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\Arquivos de programas\\Windows32.exe" | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\reg_0001.txt | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2448 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2448 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2448 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2448 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe
"C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram C:\Arquivos de programas\Windows32.exe RPC
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gsmtp185.google.com | udp |
Files
memory/2448-0-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2448-2-0x0000000000220000-0x0000000000221000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:33
Reported
2024-01-25 17:35
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Kinsing
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\Arquivos de programas\\Windows32.exe" | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\reg_0001.txt | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2792 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2792 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2792 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe
"C:\Users\Admin\AppData\Local\Temp\751abbc5a0f05d1b820100cb82287e01.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram C:\Arquivos de programas\Windows32.exe RPC
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | gsmtp185.google.com | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
Files
memory/2792-0-0x0000000000F60000-0x0000000000F61000-memory.dmp
memory/2792-2-0x0000000000F60000-0x0000000000F61000-memory.dmp