Analysis Overview
SHA256
23d041615509c122bc7ecebae1a6ccc7c92d1cd8ac166904e98a030c271a5d16
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-27 16:06
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-27 16:06
Reported
2024-07-27 16:13
Platform
win7-20240704-en
Max time kernel
13s
Max time network
20s
Command Line
Signatures
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\Server.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
Network
Files
memory/1512-0-0x0000000074E51000-0x0000000074E52000-memory.dmp
memory/1512-1-0x0000000074E50000-0x00000000753FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-27 16:06
Reported
2024-07-27 16:12
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
134s
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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9e9ca6907ecb9894c8165310b4f83b54.exe | C:\Users\Admin\AppData\Local\Temp\Testing.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9e9ca6907ecb9894c8165310b4f83b54.exe | C:\Users\Admin\AppData\Local\Temp\Testing.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Testing.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9e9ca6907ecb9894c8165310b4f83b54 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Testing.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Testing.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9e9ca6907ecb9894c8165310b4f83b54 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Testing.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Testing.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\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Testing.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 376 wrote to memory of 3824 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\Testing.exe |
| PID 376 wrote to memory of 3824 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\Testing.exe |
| PID 376 wrote to memory of 3824 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\Testing.exe |
| PID 3824 wrote to memory of 1308 | N/A | C:\Users\Admin\AppData\Local\Temp\Testing.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3824 wrote to memory of 1308 | N/A | C:\Users\Admin\AppData\Local\Temp\Testing.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3824 wrote to memory of 1308 | N/A | C:\Users\Admin\AppData\Local\Temp\Testing.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
C:\Users\Admin\AppData\Local\Temp\Testing.exe
"C:\Users\Admin\AppData\Local\Temp\Testing.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Testing.exe" "Testing.exe" ENABLE
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 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | 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 |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/376-0-0x0000000074912000-0x0000000074913000-memory.dmp
memory/376-1-0x0000000074910000-0x0000000074EC1000-memory.dmp
memory/376-2-0x0000000074910000-0x0000000074EC1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Testing.exe
| MD5 | eefce7d017206bb0427ddec59dce0c24 |
| SHA1 | c588ceb9388eecabd9eaded2a4791a433dc0f617 |
| SHA256 | 23d041615509c122bc7ecebae1a6ccc7c92d1cd8ac166904e98a030c271a5d16 |
| SHA512 | b7e66ee0a1a090f866e584ba0eefe7424072a306b00f9817fabc882325012218477905105dbc52cfa89bcf2bdecd7fb27c29566da3177072bf7486e3d842bfab |
memory/3824-11-0x0000000074910000-0x0000000074EC1000-memory.dmp
memory/3824-12-0x0000000074910000-0x0000000074EC1000-memory.dmp
memory/376-14-0x0000000074910000-0x0000000074EC1000-memory.dmp
memory/3824-16-0x0000000074910000-0x0000000074EC1000-memory.dmp