Analysis Overview
SHA256
2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a
Threat Level: Known bad
The file 2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Drops startup file
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 20:26
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 20:26
Reported
2024-08-29 20:29
Platform
win7-20240708-en
Max time kernel
150s
Max time network
140s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ac3eec773987ee3090bbd41c1e81fe5.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ac3eec773987ee3090bbd41c1e81fe5.exe | C:\Users\Admin\AppData\Local\Temp\server.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\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\7ac3eec773987ee3090bbd41c1e81fe5 = "\"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\7ac3eec773987ee3090bbd41c1e81fe5 = "\"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\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.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\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe
"C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.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 | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp |
Files
memory/2928-0-0x0000000074B21000-0x0000000074B22000-memory.dmp
memory/2928-1-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2928-2-0x0000000074B20000-0x00000000750CB000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 18562deb52f68e41a21a63f9f31ed942 |
| SHA1 | 35a08b1b59e5ff54d6195bc6a13a55745ceac3b5 |
| SHA256 | 2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a |
| SHA512 | cf8a58cc3cf7d228bef04831b2b0293f2f12ddac2f1524b79849b2b6bd02a8ea6a9ef6f7cc2e23d4d4581036e2a46dc06afc79454741597e5135d74ae1d84368 |
memory/1932-10-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/1932-11-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2928-12-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2928-13-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/1932-15-0x0000000074B20000-0x00000000750CB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 20:26
Reported
2024-08-29 20:29
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
150s
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ac3eec773987ee3090bbd41c1e81fe5.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ac3eec773987ee3090bbd41c1e81fe5.exe | C:\Users\Admin\AppData\Local\Temp\server.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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7ac3eec773987ee3090bbd41c1e81fe5 = "\"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\7ac3eec773987ee3090bbd41c1e81fe5 = "\"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 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 |
| Key queried | \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\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.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 3740 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3740 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3740 wrote to memory of 2848 | N/A | C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 2848 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2848 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2848 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe
"C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| N/A | 192.168.126.128:5552 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| N/A | 192.168.126.128:5552 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| N/A | 192.168.126.128:5552 | tcp | |
| N/A | 192.168.126.128:5552 | tcp | |
| US | 8.8.8.8:53 | 9.73.50.20.in-addr.arpa | udp |
Files
memory/3740-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp
memory/3740-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/3740-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 18562deb52f68e41a21a63f9f31ed942 |
| SHA1 | 35a08b1b59e5ff54d6195bc6a13a55745ceac3b5 |
| SHA256 | 2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a |
| SHA512 | cf8a58cc3cf7d228bef04831b2b0293f2f12ddac2f1524b79849b2b6bd02a8ea6a9ef6f7cc2e23d4d4581036e2a46dc06afc79454741597e5135d74ae1d84368 |
memory/2848-13-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/3740-12-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/2848-14-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/2848-16-0x0000000074EF0000-0x00000000754A1000-memory.dmp