Analysis Overview
SHA256
57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188
Threat Level: Known bad
The file 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-04 17:33
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-04 17:33
Reported
2024-10-04 17:35
Platform
win7-20240903-en
Max time kernel
119s
Max time network
124s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
"C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe"
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp |
Files
memory/1988-0-0x0000000074AF1000-0x0000000074AF2000-memory.dmp
memory/1988-1-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/1988-2-0x0000000074AF0000-0x000000007509B000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 154ea8b5bfc539b9ed57cad3bce821e0 |
| SHA1 | f064f35081e04ae292f455df1abcc0c1ae319e2a |
| SHA256 | 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188 |
| SHA512 | e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046 |
memory/1988-10-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/2068-11-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/2068-12-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/2068-13-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/2068-14-0x0000000074AF0000-0x000000007509B000-memory.dmp
memory/2068-15-0x0000000074AF0000-0x000000007509B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-04 17:33
Reported
2024-10-04 17:35
Platform
win10v2004-20240802-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\456e48741b8e33d90b3e21f5b318e2a9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1272 wrote to memory of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1272 wrote to memory of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1272 wrote to memory of 4504 | N/A | C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 4504 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4504 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4504 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe
"C:\Users\Admin\AppData\Local\Temp\57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188N.exe"
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| N/A | 192.168.1.107:5555 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp | |
| N/A | 192.168.1.107:5555 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.107:5555 | tcp |
Files
memory/1272-0-0x0000000074F32000-0x0000000074F33000-memory.dmp
memory/1272-1-0x0000000074F30000-0x00000000754E1000-memory.dmp
memory/1272-2-0x0000000074F30000-0x00000000754E1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 154ea8b5bfc539b9ed57cad3bce821e0 |
| SHA1 | f064f35081e04ae292f455df1abcc0c1ae319e2a |
| SHA256 | 57cb3fc0247614f7c4ba1097892eab4b6925a49a8f37ffe9c2054c485bc5c188 |
| SHA512 | e1ff4201c8e0c3774f0dabd911738dcf23fda886a0f30d256babbccf234e4172c5636aad7404897ecfd33358ebe301e9d83db20da8ed5082f9dfc06b02430046 |
memory/4504-12-0x0000000074F30000-0x00000000754E1000-memory.dmp
memory/4504-14-0x0000000074F30000-0x00000000754E1000-memory.dmp
memory/1272-13-0x0000000074F30000-0x00000000754E1000-memory.dmp
memory/4504-15-0x0000000074F30000-0x00000000754E1000-memory.dmp