Analysis Overview
SHA256
b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db
Threat Level: Known bad
The file b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 13:59
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-27 13:59
Reported
2024-09-27 14:02
Platform
win7-20240708-en
Max time kernel
149s
Max time network
139s
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\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\8325949a53507d629967d9d9b9741bc0 = "\"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\8325949a53507d629967d9d9b9741bc0 = "\"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\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.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\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe
"C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.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 | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp |
Files
memory/2180-0-0x0000000074CF1000-0x0000000074CF2000-memory.dmp
memory/2180-1-0x0000000074CF0000-0x000000007529B000-memory.dmp
memory/2180-2-0x0000000074CF0000-0x000000007529B000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 71fcfb513538ed981068a2471ccdd94e |
| SHA1 | 9c005883e25b4af9f7863d39acc06b94ac4b5342 |
| SHA256 | b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db |
| SHA512 | 0ba953e72d793ad15ae6f4fcb8a596624dc33cda12f3284b3f65b15186883bac78f84ce3714bf0936c5a6027bf08dfd5086443990bdeac7db8db1591e022a32a |
memory/2940-10-0x0000000074CF0000-0x000000007529B000-memory.dmp
memory/2940-11-0x0000000074CF0000-0x000000007529B000-memory.dmp
memory/2180-12-0x0000000074CF0000-0x000000007529B000-memory.dmp
memory/2940-13-0x0000000074CF0000-0x000000007529B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 13:59
Reported
2024-09-27 14:02
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
151s
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\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8325949a53507d629967d9d9b9741bc0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8325949a53507d629967d9d9b9741bc0 = "\"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\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.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 1032 wrote to memory of 3392 | N/A | C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1032 wrote to memory of 3392 | N/A | C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1032 wrote to memory of 3392 | N/A | C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3392 wrote to memory of 640 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3392 wrote to memory of 640 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3392 wrote to memory of 640 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.exe
"C:\Users\Admin\AppData\Local\Temp\b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db.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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| N/A | 192.168.1.16:5552 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 192.168.1.16:5552 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.16:5552 | tcp | |
| N/A | 192.168.1.16:5552 | tcp |
Files
memory/1032-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp
memory/1032-1-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/1032-2-0x0000000074BC0000-0x0000000075171000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 71fcfb513538ed981068a2471ccdd94e |
| SHA1 | 9c005883e25b4af9f7863d39acc06b94ac4b5342 |
| SHA256 | b48799d2eee65351dde0cf00b8beb57ab15da799384c1b546c358f18d412a6db |
| SHA512 | 0ba953e72d793ad15ae6f4fcb8a596624dc33cda12f3284b3f65b15186883bac78f84ce3714bf0936c5a6027bf08dfd5086443990bdeac7db8db1591e022a32a |
memory/3392-12-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/1032-13-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/3392-15-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/3392-14-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/3392-16-0x0000000074BC0000-0x0000000075171000-memory.dmp