Analysis Overview
SHA256
1afae7ccecd35cc6c15abb2b71468c4fc9c321b03cf6ac1a6c006a0c3f14587e
Threat Level: Known bad
The file 1636-4-0x0000000000720000-0x0000000000732000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
Njrat family
Drops startup file
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-04 22:24
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-04 22:24
Reported
2024-10-04 22:27
Platform
win7-20240903-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1636-4-0x0000000000720000-0x0000000000732000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1636-4-0x0000000000720000-0x0000000000732000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.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\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | encrypted7745.hopto.org | udp |
| PS | 85.113.101.120:1177 | encrypted7745.hopto.org | tcp |
Files
memory/2104-0-0x0000000074151000-0x0000000074152000-memory.dmp
memory/2104-1-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2104-2-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/2104-4-0x0000000074150000-0x00000000746FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-04 22:24
Reported
2024-10-04 22:27
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1636-4-0x0000000000720000-0x0000000000732000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1636-4-0x0000000000720000-0x0000000000732000-memory.exe\" .." | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.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\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1636-4-0x0000000000720000-0x0000000000732000-memory.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | encrypted7745.hopto.org | udp |
| PS | 85.113.101.120:1177 | encrypted7745.hopto.org | tcp |
| US | 8.8.8.8:53 | 120.101.113.85.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.143.182.52.in-addr.arpa | udp |
Files
memory/4988-0-0x00000000746C2000-0x00000000746C3000-memory.dmp
memory/4988-1-0x00000000746C0000-0x0000000074C71000-memory.dmp
memory/4988-2-0x00000000746C0000-0x0000000074C71000-memory.dmp
memory/4988-5-0x00000000746C0000-0x0000000074C71000-memory.dmp
memory/4988-4-0x00000000746C2000-0x00000000746C3000-memory.dmp
memory/4988-6-0x00000000746C0000-0x0000000074C71000-memory.dmp