Analysis Overview
SHA256
22cb011beedf2388cb161009c6b541b9ff8830081818bf015d28265ec082dc69
Threat Level: Known bad
The file 82b5a15803907f9ac27999f1eb022090N.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 11:25
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 11:25
Reported
2024-08-30 11:27
Platform
win7-20240729-en
Max time kernel
119s
Max time network
117s
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\82b5a15803907f9ac27999f1eb022090N.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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\7657c14284185fbd3fb108b43c7467ba = "\"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\82b5a15803907f9ac27999f1eb022090N.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\82b5a15803907f9ac27999f1eb022090N.exe
"C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.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 | 10.10.1.11:5552 | tcp | |
| N/A | 10.10.1.11:5552 | tcp | |
| N/A | 10.10.1.11:5552 | tcp | |
| N/A | 10.10.1.11:5552 | tcp | |
| N/A | 10.10.1.11:5552 | tcp |
Files
memory/2916-0-0x00000000749C1000-0x00000000749C2000-memory.dmp
memory/2916-1-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/2916-2-0x00000000749C0000-0x0000000074F6B000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 82b5a15803907f9ac27999f1eb022090 |
| SHA1 | 29691b9cdf0ae2cd6f0e4abebaa47be3504876d0 |
| SHA256 | 22cb011beedf2388cb161009c6b541b9ff8830081818bf015d28265ec082dc69 |
| SHA512 | 89af69fe77b26ad8df6c972392e0428df8407b754b941a18d4ecc8ffd645d3204a71e60899dee2c5f3c01cfc56d0c763fe717f3aba31b6edc0548d8f8e6f9942 |
memory/2736-12-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/2736-11-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/2916-10-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/2736-13-0x00000000749C0000-0x0000000074F6B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 11:25
Reported
2024-08-30 11:27
Platform
win10v2004-20240802-en
Max time kernel
119s
Max time network
117s
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.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\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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\7657c14284185fbd3fb108b43c7467ba = "\"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\82b5a15803907f9ac27999f1eb022090N.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 1152 wrote to memory of 4512 | N/A | C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1152 wrote to memory of 4512 | N/A | C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1152 wrote to memory of 4512 | N/A | C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 4512 wrote to memory of 3568 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4512 wrote to memory of 3568 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4512 wrote to memory of 3568 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.exe
"C:\Users\Admin\AppData\Local\Temp\82b5a15803907f9ac27999f1eb022090N.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.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 | 88.156.103.20.in-addr.arpa | udp |
| N/A | 10.10.1.11:5552 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| N/A | 10.10.1.11:5552 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 10.10.1.11:5552 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| N/A | 10.10.1.11:5552 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| 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 | 10.10.1.11:5552 | tcp |
Files
memory/1152-0-0x00000000750A2000-0x00000000750A3000-memory.dmp
memory/1152-1-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/1152-2-0x00000000750A0000-0x0000000075651000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 82b5a15803907f9ac27999f1eb022090 |
| SHA1 | 29691b9cdf0ae2cd6f0e4abebaa47be3504876d0 |
| SHA256 | 22cb011beedf2388cb161009c6b541b9ff8830081818bf015d28265ec082dc69 |
| SHA512 | 89af69fe77b26ad8df6c972392e0428df8407b754b941a18d4ecc8ffd645d3204a71e60899dee2c5f3c01cfc56d0c763fe717f3aba31b6edc0548d8f8e6f9942 |
memory/1152-12-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/4512-13-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/4512-14-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/4512-15-0x00000000750A0000-0x0000000075651000-memory.dmp