Analysis Overview
SHA256
e2c457f18c1063a235f962572ee6f6d49ddfbeba92599470b94b5fa2c3c237e1
Threat Level: Known bad
The file 4e5a132f843257037445628396c656b9.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 12:22
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 12:22
Reported
2024-09-27 12:25
Platform
win7-20240903-en
Max time kernel
149s
Max time network
143s
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\09df2bd777d1a884c3a89c8a9ba5e4a2.exe | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09df2bd777d1a884c3a89c8a9ba5e4a2.exe | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\09df2bd777d1a884c3a89c8a9ba5e4a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\4e5a132f843257037445628396c656b9.exe\" .." | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\09df2bd777d1a884c3a89c8a9ba5e4a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\4e5a132f843257037445628396c656b9.exe\" .." | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
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\4e5a132f843257037445628396c656b9.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 1928 wrote to memory of 2004 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1928 wrote to memory of 2004 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1928 wrote to memory of 2004 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1928 wrote to memory of 2004 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe
"C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe" "4e5a132f843257037445628396c656b9.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | steam.buy-nitro.ru | udp |
| RU | 176.109.107.2:5555 | steam.buy-nitro.ru | tcp |
Files
memory/1928-0-0x00000000747B1000-0x00000000747B2000-memory.dmp
memory/1928-1-0x00000000747B0000-0x0000000074D5B000-memory.dmp
memory/1928-2-0x00000000747B0000-0x0000000074D5B000-memory.dmp
memory/1928-4-0x00000000747B0000-0x0000000074D5B000-memory.dmp
memory/1928-5-0x00000000747B0000-0x0000000074D5B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 12:22
Reported
2024-09-27 12:25
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
143s
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\09df2bd777d1a884c3a89c8a9ba5e4a2.exe | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09df2bd777d1a884c3a89c8a9ba5e4a2.exe | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\09df2bd777d1a884c3a89c8a9ba5e4a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\4e5a132f843257037445628396c656b9.exe\" .." | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\09df2bd777d1a884c3a89c8a9ba5e4a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\4e5a132f843257037445628396c656b9.exe\" .." | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | N/A |
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\4e5a132f843257037445628396c656b9.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 5016 wrote to memory of 3128 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 5016 wrote to memory of 3128 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 5016 wrote to memory of 3128 | N/A | C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe
"C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\4e5a132f843257037445628396c656b9.exe" "4e5a132f843257037445628396c656b9.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | steam.buy-nitro.ru | udp |
| RU | 176.109.107.2:5555 | steam.buy-nitro.ru | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.107.109.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.190.18.2.in-addr.arpa | udp |
| NL | 52.111.243.31:443 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/5016-0-0x0000000074972000-0x0000000074973000-memory.dmp
memory/5016-1-0x0000000074970000-0x0000000074F21000-memory.dmp
memory/5016-2-0x0000000074970000-0x0000000074F21000-memory.dmp
memory/5016-4-0x0000000074972000-0x0000000074973000-memory.dmp
memory/5016-5-0x0000000074970000-0x0000000074F21000-memory.dmp
memory/5016-6-0x0000000074970000-0x0000000074F21000-memory.dmp