Analysis Overview
SHA256
1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab
Threat Level: Known bad
The file 1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Adds Run key to start application
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-28 10:15
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-28 10:15
Reported
2024-09-28 10:17
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
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\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 436 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 436 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 436 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe
"C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe" "1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe" ENABLE
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4436,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=3828 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 192.168.1.2:1177 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| N/A | 192.168.1.2:1177 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp |
Files
memory/436-0-0x0000000075262000-0x0000000075263000-memory.dmp
memory/436-1-0x0000000075260000-0x0000000075811000-memory.dmp
memory/436-2-0x0000000075260000-0x0000000075811000-memory.dmp
memory/436-3-0x0000000075262000-0x0000000075263000-memory.dmp
memory/436-4-0x0000000075260000-0x0000000075811000-memory.dmp
memory/436-5-0x0000000075260000-0x0000000075811000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-28 10:15
Reported
2024-09-28 10:17
Platform
win7-20240903-en
Max time kernel
149s
Max time network
137s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
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\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2636 wrote to memory of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2636 wrote to memory of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2636 wrote to memory of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2636 wrote to memory of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe
"C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe" "1ab5a32c95f4645f124b455ccbd65a46e56897a9f0f62e3edd8a8c3ea06189ab.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp | |
| N/A | 192.168.1.2:1177 | tcp |
Files
memory/2636-0-0x0000000074561000-0x0000000074562000-memory.dmp
memory/2636-1-0x0000000074560000-0x0000000074B0B000-memory.dmp
memory/2636-2-0x0000000074560000-0x0000000074B0B000-memory.dmp
memory/2636-3-0x0000000074560000-0x0000000074B0B000-memory.dmp