Analysis Overview
SHA256
f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf
Threat Level: Known bad
The file f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 13:58
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 13:58
Reported
2024-09-27 14:01
Platform
win7-20240903-en
Max time kernel
150s
Max time network
145s
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\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\864692358947bbd64230700870762f06 = "\"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\864692358947bbd64230700870762f06 = "\"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\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.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\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe
"C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.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 |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp |
Files
memory/2752-0-0x0000000074061000-0x0000000074062000-memory.dmp
memory/2752-1-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2752-2-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2752-3-0x0000000074060000-0x000000007460B000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 9c691e60b7ffdaec80cb169114b784f2 |
| SHA1 | 1d7df5d95f0e4ff3c5825c4aed7d3838d0c02f1e |
| SHA256 | f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf |
| SHA512 | 84b9f8c7de1107f95c3833d0e556bbdffeafc33da9346ccc66d080e05b16946e048f271d6a84649792d1847ffb805b0ab24402d25d4eca2a77e2f9e80bc67264 |
memory/2780-11-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2780-12-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2752-13-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2780-14-0x0000000074060000-0x000000007460B000-memory.dmp
memory/2780-15-0x0000000074060000-0x000000007460B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 13:58
Reported
2024-09-27 14:01
Platform
win10v2004-20240910-en
Max time kernel
150s
Max time network
147s
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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\864692358947bbd64230700870762f06 = "\"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\864692358947bbd64230700870762f06 = "\"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 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 |
| Key queried | \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:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1548 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1548 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 1548 wrote to memory of 4676 | N/A | C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 4676 wrote to memory of 3912 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4676 wrote to memory of 3912 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4676 wrote to memory of 3912 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe
"C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.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 | 133.211.185.52.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 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.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 |
| 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 |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| BR | 191.239.255.3:5552 | tcp | |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| BR | 191.239.255.3:5552 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp | |
| BR | 191.239.255.3:5552 | tcp |
Files
memory/1548-0-0x0000000074F92000-0x0000000074F93000-memory.dmp
memory/1548-1-0x0000000074F90000-0x0000000075541000-memory.dmp
memory/1548-2-0x0000000074F90000-0x0000000075541000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 9c691e60b7ffdaec80cb169114b784f2 |
| SHA1 | 1d7df5d95f0e4ff3c5825c4aed7d3838d0c02f1e |
| SHA256 | f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf |
| SHA512 | 84b9f8c7de1107f95c3833d0e556bbdffeafc33da9346ccc66d080e05b16946e048f271d6a84649792d1847ffb805b0ab24402d25d4eca2a77e2f9e80bc67264 |
memory/4676-13-0x0000000074F90000-0x0000000075541000-memory.dmp
memory/4676-14-0x0000000074F90000-0x0000000075541000-memory.dmp
memory/1548-12-0x0000000074F90000-0x0000000075541000-memory.dmp
memory/4676-15-0x0000000074F90000-0x0000000075541000-memory.dmp