Analysis Overview
SHA256
b51028907f6b360042638f29505aa13b31e491b95ed02372f6a737a9efdc8e15
Threat Level: Known bad
The file virussign.com_84875b4283fa59685172a0ea7f7e7ac0.vir was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-28 15:52
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-28 15:52
Reported
2024-05-28 15:55
Platform
win7-20240221-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2328 set thread context of 1524 | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp |
Files
memory/2328-0-0x00000000012F0000-0x00000000013D3000-memory.dmp
memory/2328-3-0x0000000000130000-0x0000000000131000-memory.dmp
memory/1524-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1524-5-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1524-12-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1524-11-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1524-4-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1524-13-0x0000000073C42000-0x0000000073C44000-memory.dmp
memory/2328-14-0x0000000000130000-0x0000000000131000-memory.dmp
memory/1524-15-0x0000000073C42000-0x0000000073C44000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-28 15:52
Reported
2024-05-28 15:54
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4684 set thread context of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_84875b4283fa59685172a0ea7f7e7ac0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| NL | 23.62.61.115:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 115.61.62.23.in-addr.arpa | udp |
| FR | 89.94.35.57:1604 | tcp | |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| FR | 89.94.35.57:1604 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| FR | 89.94.35.57:1604 | tcp | |
| FR | 89.94.35.57:1604 | tcp | |
| US | 8.8.8.8:53 | 214.143.182.52.in-addr.arpa | udp |
| FR | 89.94.35.57:1604 | tcp |
Files
memory/4684-0-0x0000000000430000-0x0000000000513000-memory.dmp
memory/4192-3-0x00000000001C0000-0x00000000001CC000-memory.dmp
memory/4684-8-0x0000000001D60000-0x0000000001D61000-memory.dmp
memory/4192-9-0x0000000073EE2000-0x0000000073EE3000-memory.dmp
memory/4192-10-0x0000000073EE0000-0x0000000074491000-memory.dmp
memory/4192-11-0x0000000073EE0000-0x0000000074491000-memory.dmp
memory/4684-12-0x0000000001D60000-0x0000000001D61000-memory.dmp
memory/4192-13-0x0000000073EE2000-0x0000000073EE3000-memory.dmp
memory/4192-14-0x0000000073EE0000-0x0000000074491000-memory.dmp