Analysis Overview
SHA256
88c4119ebffe218c584ac304adbb9da29123a2b526977b87f9e241a277fd0413
Threat Level: Known bad
The file 545f98c621008ada5fc30f1368edc8d0N.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Drops file in System32 directory
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 12:48
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 12:48
Reported
2024-08-29 12:50
Platform
win7-20240704-en
Max time kernel
120s
Max time network
117s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.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:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2392 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2392 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2392 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2392 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe
"C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe" "545f98c621008ada5fc30f1368edc8d0N.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp |
Files
memory/2392-0-0x0000000074721000-0x0000000074722000-memory.dmp
memory/2392-1-0x0000000074720000-0x0000000074CCB000-memory.dmp
memory/2392-2-0x0000000074720000-0x0000000074CCB000-memory.dmp
C:\Users\Admin\AppData\Local\Explower.exe
| MD5 | 545f98c621008ada5fc30f1368edc8d0 |
| SHA1 | 9b461273bb605dcf46219938275a06647ac00b29 |
| SHA256 | 88c4119ebffe218c584ac304adbb9da29123a2b526977b87f9e241a277fd0413 |
| SHA512 | c8bf20ed5c6307cabfa312b9d674d06d711f6e1f5aa2c5ffcc632746bd331ebbc0bd8801c868bafc0d77a46aa31e69f0a662a7bd4385f475dcfadc551700789b |
memory/2392-30-0x0000000074720000-0x0000000074CCB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 12:48
Reported
2024-08-29 12:50
Platform
win10v2004-20240802-en
Max time kernel
120s
Max time network
105s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File created | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| 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 |
| Key opened | \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\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1892 wrote to memory of 4200 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1892 wrote to memory of 4200 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1892 wrote to memory of 4200 | N/A | C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe
"C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\545f98c621008ada5fc30f1368edc8d0N.exe" "545f98c621008ada5fc30f1368edc8d0N.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 50.139.73.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:7777 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp | |
| N/A | 127.0.0.1:7777 | tcp |
Files
memory/1892-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp
memory/1892-1-0x0000000074EC0000-0x0000000075471000-memory.dmp
memory/1892-2-0x0000000074EC0000-0x0000000075471000-memory.dmp
C:\Users\Admin\AppData\Local\Explower.exe
| MD5 | 545f98c621008ada5fc30f1368edc8d0 |
| SHA1 | 9b461273bb605dcf46219938275a06647ac00b29 |
| SHA256 | 88c4119ebffe218c584ac304adbb9da29123a2b526977b87f9e241a277fd0413 |
| SHA512 | c8bf20ed5c6307cabfa312b9d674d06d711f6e1f5aa2c5ffcc632746bd331ebbc0bd8801c868bafc0d77a46aa31e69f0a662a7bd4385f475dcfadc551700789b |
memory/1892-31-0x0000000074EC0000-0x0000000075471000-memory.dmp
memory/1892-30-0x0000000074EC2000-0x0000000074EC3000-memory.dmp
memory/1892-32-0x0000000074EC0000-0x0000000075471000-memory.dmp