Analysis Overview
SHA256
36e5ac444af1ddf8dfa1f67132ec053430ef93c2212a1b6463bc165bd2d00b49
Threat Level: Known bad
The file fa751a76c642d964037f4bd88db04e30N.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
System Time Discovery
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 10:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 10:36
Reported
2024-08-30 10:38
Platform
win7-20240704-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\netsh.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\3fb8a2ca84b8925e17882e2cb765f819 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RuntimeBroker.exe\" .." | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3fb8a2ca84b8925e17882e2cb765f819 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RuntimeBroker.exe\" .." | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\system32\netsh.exe | N/A |
System Time Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 808 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe |
| PID 808 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe |
| PID 808 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe |
| PID 2776 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | C:\Windows\system32\netsh.exe |
| PID 2776 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | C:\Windows\system32\netsh.exe |
| PID 2776 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | C:\Windows\system32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe
"C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe"
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
Files
memory/808-0-0x000007FEF5B2E000-0x000007FEF5B2F000-memory.dmp
memory/808-1-0x00000000004E0000-0x00000000004EC000-memory.dmp
memory/808-2-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
memory/808-3-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
| MD5 | fa751a76c642d964037f4bd88db04e30 |
| SHA1 | 02c7346af3816c4f61a4a47c016bdfd0c88afedd |
| SHA256 | 36e5ac444af1ddf8dfa1f67132ec053430ef93c2212a1b6463bc165bd2d00b49 |
| SHA512 | 6680b1e37d872755ef2e584724047f3e7d7857f460d61eb7484f5490e24c58453782bbc0782c14f3f34940efe5cdc6ed5c350596ced1e0ed3611114c920f3fdf |
memory/808-11-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
memory/2776-12-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
memory/2776-13-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
memory/2776-14-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
memory/2776-15-0x000007FEF5870000-0x000007FEF620D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 10:36
Reported
2024-08-30 10:38
Platform
win10v2004-20240802-en
Max time kernel
119s
Max time network
118s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\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\fa751a76c642d964037f4bd88db04e30N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.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\3fb8a2ca84b8925e17882e2cb765f819 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RuntimeBroker.exe\" .." | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3fb8a2ca84b8925e17882e2cb765f819 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RuntimeBroker.exe\" .." | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh | C:\Windows\SYSTEM32\netsh.exe | N/A |
System Time Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3176 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe |
| PID 3176 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe |
| PID 2780 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | C:\Windows\SYSTEM32\netsh.exe |
| PID 2780 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe | C:\Windows\SYSTEM32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe
"C:\Users\Admin\AppData\Local\Temp\fa751a76c642d964037f4bd88db04e30N.exe"
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
| US | 8.8.8.8:53 | bytet.ddns.net | udp |
Files
memory/3176-0-0x00007FFE8FF95000-0x00007FFE8FF96000-memory.dmp
memory/3176-1-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp
memory/3176-2-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp
memory/3176-3-0x000000001C0F0000-0x000000001C5BE000-memory.dmp
memory/3176-4-0x000000001C660000-0x000000001C6FC000-memory.dmp
memory/3176-6-0x000000001C830000-0x000000001C8D6000-memory.dmp
memory/3176-5-0x000000001C760000-0x000000001C76C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
| MD5 | fa751a76c642d964037f4bd88db04e30 |
| SHA1 | 02c7346af3816c4f61a4a47c016bdfd0c88afedd |
| SHA256 | 36e5ac444af1ddf8dfa1f67132ec053430ef93c2212a1b6463bc165bd2d00b49 |
| SHA512 | 6680b1e37d872755ef2e584724047f3e7d7857f460d61eb7484f5490e24c58453782bbc0782c14f3f34940efe5cdc6ed5c350596ced1e0ed3611114c920f3fdf |
memory/2780-20-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp
memory/3176-19-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp
memory/2780-21-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp
memory/2780-22-0x000000001BB60000-0x000000001BB68000-memory.dmp
memory/2780-23-0x00007FFE8FCE0000-0x00007FFE90681000-memory.dmp