Analysis Overview
SHA256
b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413
Threat Level: Known bad
The file b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413 was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-05 05:21
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-05 05:21
Reported
2024-03-05 05:24
Platform
win7-20240215-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2972 wrote to memory of 2960 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2972 wrote to memory of 2960 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2972 wrote to memory of 2960 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2972 wrote to memory of 2960 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe
"C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe" "b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.112.102:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.112.102:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.64.4.198:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.64.4.198:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
Files
memory/2972-0-0x0000000074AA0000-0x000000007504B000-memory.dmp
memory/2972-1-0x0000000002060000-0x00000000020A0000-memory.dmp
memory/2972-2-0x0000000074AA0000-0x000000007504B000-memory.dmp
memory/2972-3-0x0000000074AA0000-0x000000007504B000-memory.dmp
memory/2972-4-0x0000000002060000-0x00000000020A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-05 05:21
Reported
2024-03-05 05:24
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 5.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3216 wrote to memory of 3408 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3216 wrote to memory of 3408 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3216 wrote to memory of 3408 | N/A | C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe
"C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe" "b3e34f9d12e562ac6bf4b57d4d28b7c829e4d3d8c687887c236ab7b8ae655413.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.62.142:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.62.67.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| DE | 3.67.62.142:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| DE | 3.67.62.142:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| DE | 3.67.62.142:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.67.161.133:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 133.161.67.3.in-addr.arpa | udp |
| DE | 3.67.161.133:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.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 |
| DE | 3.67.161.133:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:19976 | 5.tcp.eu.ngrok.io | tcp |
| DE | 3.67.161.133:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.tcp.eu.ngrok.io | udp |
| DE | 3.127.181.115:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 115.181.127.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| DE | 3.127.181.115:19976 | 5.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 41.173.79.40.in-addr.arpa | udp |
Files
memory/3216-0-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/3216-1-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/3216-2-0x0000000000DF0000-0x0000000000E00000-memory.dmp
memory/3216-3-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/3216-4-0x0000000075540000-0x0000000075AF1000-memory.dmp
memory/3216-5-0x0000000000DF0000-0x0000000000E00000-memory.dmp