Analysis Overview
SHA256
63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65
Threat Level: Known bad
The file c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 15:02
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 15:02
Reported
2024-08-25 15:05
Platform
win7-20240704-en
Max time kernel
149s
Max time network
149s
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\e622fcd0cf30e1bca60dc991bd977891.exe | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e622fcd0cf30e1bca60dc991bd977891.exe | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.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\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1952 wrote to memory of 2460 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1952 wrote to memory of 2460 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1952 wrote to memory of 2460 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1952 wrote to memory of 2460 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe" "c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp |
Files
memory/1952-0-0x00000000741B1000-0x00000000741B2000-memory.dmp
memory/1952-1-0x00000000741B0000-0x000000007475B000-memory.dmp
memory/1952-2-0x00000000741B0000-0x000000007475B000-memory.dmp
memory/1952-4-0x00000000741B0000-0x000000007475B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 15:02
Reported
2024-08-25 15:05
Platform
win10v2004-20240802-en
Max time kernel
150s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e622fcd0cf30e1bca60dc991bd977891.exe | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e622fcd0cf30e1bca60dc991bd977891.exe | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.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\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e622fcd0cf30e1bca60dc991bd977891 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.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\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4464 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4464 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4464 wrote to memory of 4024 | N/A | C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe" "c0fcb9c5e0e6451acda73e8adab4e40f_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| 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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| KR | 125.180.93.203:1 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| KR | 125.180.93.203:1 | tcp | |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| US | 52.111.227.14:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp | |
| KR | 125.180.93.203:1 | tcp |
Files
memory/4464-0-0x00000000745D2000-0x00000000745D3000-memory.dmp
memory/4464-1-0x00000000745D0000-0x0000000074B81000-memory.dmp
memory/4464-2-0x00000000745D0000-0x0000000074B81000-memory.dmp
memory/4464-4-0x00000000745D2000-0x00000000745D3000-memory.dmp
memory/4464-5-0x00000000745D0000-0x0000000074B81000-memory.dmp
memory/4464-6-0x00000000745D0000-0x0000000074B81000-memory.dmp