Analysis Overview
SHA256
0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715
Threat Level: Known bad
The file 0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe 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
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 19:49
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 19:49
Reported
2024-09-27 19:52
Platform
win7-20240903-en
Max time kernel
145s
Max time network
146s
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\Roaming\Severn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.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\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Severn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Severn.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe
"C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe"
C:\Users\Admin\AppData\Roaming\Severn.exe
"C:\Users\Admin\AppData\Roaming\Severn.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Severn.exe" "Severn.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp |
Files
memory/1120-0-0x0000000074151000-0x0000000074152000-memory.dmp
memory/1120-1-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/1120-2-0x0000000074150000-0x00000000746FB000-memory.dmp
\Users\Admin\AppData\Roaming\Severn.exe
| MD5 | 7eeb03f03f522d069360a11605d8c36f |
| SHA1 | c822086cc3c0aeab9940880cccec95096d3fe5a4 |
| SHA256 | 0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715 |
| SHA512 | 1d9d9d2915c2cc53840539bf71b4d200ed3744159dbdb56a85010f12600b891b34941fecdf455886c00a4b96ccbe1c903b3db7a8842a177ba1f99ac0db442b61 |
memory/1120-10-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-11-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-13-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-12-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-14-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-15-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2312-16-0x0000000074150000-0x00000000746FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 19:49
Reported
2024-09-27 19:52
Platform
win10v2004-20240802-en
Max time kernel
149s
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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Severn.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\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Severn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Severn.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4112 wrote to memory of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | C:\Users\Admin\AppData\Roaming\Severn.exe |
| PID 4112 wrote to memory of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | C:\Users\Admin\AppData\Roaming\Severn.exe |
| PID 4112 wrote to memory of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe | C:\Users\Admin\AppData\Roaming\Severn.exe |
| PID 3476 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Roaming\Severn.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3476 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Roaming\Severn.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3476 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Roaming\Severn.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe
"C:\Users\Admin\AppData\Local\Temp\0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715.exe"
C:\Users\Admin\AppData\Roaming\Severn.exe
"C:\Users\Admin\AppData\Roaming\Severn.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Severn.exe" "Severn.exe" ENABLE
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| TH | 103.82.249.74:5552 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| TH | 103.82.249.74:5552 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| TH | 103.82.249.74:5552 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| TH | 103.82.249.74:5552 | tcp | |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| TH | 103.82.249.74:5552 | tcp | |
| TH | 103.82.249.74:5552 | tcp |
Files
memory/4112-0-0x0000000075522000-0x0000000075523000-memory.dmp
memory/4112-1-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/4112-2-0x0000000075520000-0x0000000075AD1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Severn.exe
| MD5 | 7eeb03f03f522d069360a11605d8c36f |
| SHA1 | c822086cc3c0aeab9940880cccec95096d3fe5a4 |
| SHA256 | 0dfca39c7ebcca00525b6d29fb720a32396a12716322609498528bdcf91d8715 |
| SHA512 | 1d9d9d2915c2cc53840539bf71b4d200ed3744159dbdb56a85010f12600b891b34941fecdf455886c00a4b96ccbe1c903b3db7a8842a177ba1f99ac0db442b61 |
memory/3476-13-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/4112-12-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/3476-14-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/3476-15-0x0000000075520000-0x0000000075AD1000-memory.dmp