Analysis Overview
SHA256
1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c
Threat Level: Known bad
The file c7910e75169d715e239ec9ddfc7d1508_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 WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-28 20:11
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-28 20:11
Reported
2024-08-28 20:14
Platform
win7-20240729-en
Max time kernel
149s
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 opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_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\c7910e75169d715e239ec9ddfc7d1508_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 2424 wrote to memory of 1340 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2424 wrote to memory of 1340 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2424 wrote to memory of 1340 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2424 wrote to memory of 1340 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe" "c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
Files
memory/2424-0-0x0000000073F01000-0x0000000073F02000-memory.dmp
memory/2424-1-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2424-2-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2424-4-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2424-5-0x0000000073F00000-0x00000000744AB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-28 20:11
Reported
2024-08-28 20:14
Platform
win10v2004-20240802-en
Max time kernel
149s
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\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_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\c7910e75169d715e239ec9ddfc7d1508_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 4060 wrote to memory of 3736 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4060 wrote to memory of 3736 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4060 wrote to memory of 3736 | N/A | C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe" "c7910e75169d715e239ec9ddfc7d1508_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.14.224.77.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | 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 | 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 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
Files
memory/4060-0-0x00000000754B2000-0x00000000754B3000-memory.dmp
memory/4060-1-0x00000000754B0000-0x0000000075A61000-memory.dmp
memory/4060-2-0x00000000754B0000-0x0000000075A61000-memory.dmp
memory/4060-4-0x00000000754B2000-0x00000000754B3000-memory.dmp
memory/4060-5-0x00000000754B0000-0x0000000075A61000-memory.dmp
memory/4060-6-0x00000000754B0000-0x0000000075A61000-memory.dmp