Analysis Overview
SHA256
66879712d25cecad35783be6c4e117bc9c01278ed7dd6d7b958b623e34d21908
Threat Level: Known bad
The file Crack Nursultan Client.exe 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 12:54
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 12:54
Reported
2024-03-05 12:56
Platform
win7-20240221-en
Max time kernel
143s
Max time network
154s
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 | 2.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2320 wrote to memory of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2320 wrote to memory of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2320 wrote to memory of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2320 wrote to memory of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe
"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe" "Crack Nursultan Client.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 3.127.138.57:17647 | 2.tcp.eu.ngrok.io | tcp |
| DE | 3.127.138.57:17647 | 2.tcp.eu.ngrok.io | tcp |
Files
memory/2320-0-0x0000000074270000-0x000000007481B000-memory.dmp
memory/2320-2-0x0000000000110000-0x0000000000150000-memory.dmp
memory/2320-1-0x0000000074270000-0x000000007481B000-memory.dmp
memory/2320-3-0x0000000074270000-0x000000007481B000-memory.dmp
memory/2320-4-0x0000000074270000-0x000000007481B000-memory.dmp
memory/2320-5-0x0000000000110000-0x0000000000150000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-05 12:54
Reported
2024-03-05 12:56
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
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 | 2.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2104 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2104 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2104 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe
"C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Crack Nursultan Client.exe" "Crack Nursultan Client.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 18.192.93.86:17647 | 2.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.93.192.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.33.253.131.in-addr.arpa | udp |
| GB | 96.17.178.209:80 | tcp |
Files
memory/2104-0-0x0000000074A40000-0x0000000074FF1000-memory.dmp
memory/2104-1-0x0000000000C00000-0x0000000000C10000-memory.dmp
memory/2104-2-0x0000000074A40000-0x0000000074FF1000-memory.dmp
memory/2104-3-0x0000000074A40000-0x0000000074FF1000-memory.dmp
memory/2104-4-0x0000000074A40000-0x0000000074FF1000-memory.dmp