Analysis Overview
SHA256
35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412
Threat Level: Known bad
The file 35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412 was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Drops startup file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Drops autorun.inf file
Drops file in Windows directory
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-28 01:30
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-28 01:30
Reported
2024-09-28 01:32
Platform
win7-20240903-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\906b0c82e2fdcdc83089be513c894263.exe | C:\Windows\System.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\906b0c82e2fdcdc83089be513c894263.exe | C:\Windows\System.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\906b0c82e2fdcdc83089be513c894263 = "\"C:\\Windows\\System.exe\" .." | C:\Windows\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\906b0c82e2fdcdc83089be513c894263 = "\"C:\\Windows\\System.exe\" .." | C:\Windows\System.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Windows\System.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Windows\System.exe | N/A |
| File created | D:\autorun.inf | C:\Windows\System.exe | N/A |
| File created | F:\autorun.inf | C:\Windows\System.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Windows\System.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System.exe | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
| File opened for modification | C:\Windows\System.exe | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
| File opened for modification | C:\Windows\System.exe | C:\Windows\System.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\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\System.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe
"C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe"
C:\Windows\System.exe
"C:\Windows\System.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\System.exe" "System.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ouss.freedynamicdns.net | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| US | 8.8.8.8:53 | ouss.freedynamicdns.net | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
Files
memory/2664-0-0x0000000074E71000-0x0000000074E72000-memory.dmp
memory/2664-1-0x0000000074E70000-0x000000007541B000-memory.dmp
memory/2664-2-0x0000000074E70000-0x000000007541B000-memory.dmp
C:\Windows\System.exe
| MD5 | 7bb7d53306c6f5fdd2ce65ef1d2f7dbb |
| SHA1 | 90028422f4d3ef115c30040ec06bd127e99bbfbd |
| SHA256 | 35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412 |
| SHA512 | 6d6fca12927c0426ffc5c5f62d368448b62bc2787cdf93bba6dcc2566f474b5b7b21c3c99dad1b8c4431292a515f0f6c41ce74cc1f38d6af1f6fd7c199296556 |
memory/2664-9-0x0000000074E70000-0x000000007541B000-memory.dmp
memory/2668-10-0x0000000074E70000-0x000000007541B000-memory.dmp
memory/2668-11-0x0000000074E70000-0x000000007541B000-memory.dmp
memory/2668-21-0x0000000074E70000-0x000000007541B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-28 01:30
Reported
2024-09-28 01:32
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
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\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\906b0c82e2fdcdc83089be513c894263.exe | C:\Windows\System.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\906b0c82e2fdcdc83089be513c894263.exe | C:\Windows\System.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System.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\906b0c82e2fdcdc83089be513c894263 = "\"C:\\Windows\\System.exe\" .." | C:\Windows\System.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\906b0c82e2fdcdc83089be513c894263 = "\"C:\\Windows\\System.exe\" .." | C:\Windows\System.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | D:\autorun.inf | C:\Windows\System.exe | N/A |
| File created | F:\autorun.inf | C:\Windows\System.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Windows\System.exe | N/A |
| File created | C:\autorun.inf | C:\Windows\System.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Windows\System.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System.exe | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
| File opened for modification | C:\Windows\System.exe | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
| File opened for modification | C:\Windows\System.exe | C:\Windows\System.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:\Windows\System.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
| Token: 33 | N/A | C:\Windows\System.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3248 wrote to memory of 740 | N/A | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | C:\Windows\System.exe |
| PID 3248 wrote to memory of 740 | N/A | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | C:\Windows\System.exe |
| PID 3248 wrote to memory of 740 | N/A | C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe | C:\Windows\System.exe |
| PID 740 wrote to memory of 3976 | N/A | C:\Windows\System.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 740 wrote to memory of 3976 | N/A | C:\Windows\System.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 740 wrote to memory of 3976 | N/A | C:\Windows\System.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe
"C:\Users\Admin\AppData\Local\Temp\35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412.exe"
C:\Windows\System.exe
"C:\Windows\System.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\System.exe" "System.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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ouss.freedynamicdns.net | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| US | 8.8.8.8:53 | ouss.freedynamicdns.net | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
| MA | 160.176.183.6:1998 | ouss.freedynamicdns.net | tcp |
Files
memory/3248-0-0x00000000754C2000-0x00000000754C3000-memory.dmp
memory/3248-1-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/3248-2-0x00000000754C0000-0x0000000075A71000-memory.dmp
C:\Windows\System.exe
| MD5 | 7bb7d53306c6f5fdd2ce65ef1d2f7dbb |
| SHA1 | 90028422f4d3ef115c30040ec06bd127e99bbfbd |
| SHA256 | 35b85fa3d704f84a318b4fd3c79fd5e0de4d13a166ae2950878066651c02e412 |
| SHA512 | 6d6fca12927c0426ffc5c5f62d368448b62bc2787cdf93bba6dcc2566f474b5b7b21c3c99dad1b8c4431292a515f0f6c41ce74cc1f38d6af1f6fd7c199296556 |
memory/740-12-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/740-13-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/740-15-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/3248-14-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/740-25-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/740-26-0x00000000754C0000-0x0000000075A71000-memory.dmp
memory/740-27-0x00000000754C0000-0x0000000075A71000-memory.dmp