Analysis Overview
SHA256
826c48a6a45e08fac9f070963358a4b84fbedf487e132f3801ac15cbdb483a3d
Threat Level: Known bad
The file caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Drops autorun.inf file
Unsigned PE
System Location Discovery: System Language Discovery
Event Triggered Execution: Netsh Helper DLL
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Kills process with taskkill
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 13:22
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 13:22
Reported
2024-08-30 13:25
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\a0f05785a71d084224ff0d1739e40e6c.exe | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a0f05785a71d084224ff0d1739e40e6c.exe | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_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\a0f05785a71d084224ff0d1739e40e6c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a0f05785a71d084224ff0d1739e40e6c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_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\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| 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:\Windows\SysWOW64\taskkill.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1904 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1904 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1904 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1904 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1904 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 1904 wrote to memory of 5040 | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe" "caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe" ENABLE
C:\Windows\SysWOW64\taskkill.exe
taskkill /F /IM Exsample.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | 81.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | 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 |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
Files
memory/1904-0-0x0000000074AE2000-0x0000000074AE3000-memory.dmp
memory/1904-1-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/1904-2-0x0000000074AE0000-0x0000000075091000-memory.dmp
F:\svchost.exe
| MD5 | caed3664b5078e9bfc73cedcc3b7426d |
| SHA1 | 8782f513ae2dac27002e701b9ff2f620d2811b3d |
| SHA256 | 826c48a6a45e08fac9f070963358a4b84fbedf487e132f3801ac15cbdb483a3d |
| SHA512 | 20162e95d2fffc10527f2e60fe0c6fe97f2a3ef14df3fd70e0e48e7c25ab0050a9bd1fa12d3e3314f76f79a5f3c59b805f535dc788cd86b3288abdaa982e308f |
memory/1904-12-0x0000000074AE2000-0x0000000074AE3000-memory.dmp
memory/1904-13-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/1904-14-0x0000000074AE0000-0x0000000075091000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 13:22
Reported
2024-08-30 13:25
Platform
win7-20240704-en
Max time kernel
150s
Max time network
120s
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\a0f05785a71d084224ff0d1739e40e6c.exe | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a0f05785a71d084224ff0d1739e40e6c.exe | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\a0f05785a71d084224ff0d1739e40e6c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a0f05785a71d084224ff0d1739e40e6c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_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\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
| 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:\Windows\SysWOW64\taskkill.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe" "caed3664b5078e9bfc73cedcc3b7426d_JaffaCakes118.exe" ENABLE
C:\Windows\SysWOW64\taskkill.exe
taskkill /F /IM Exsample.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | artur9625423.ddns.net | udp |
Files
memory/2280-0-0x0000000074001000-0x0000000074002000-memory.dmp
memory/2280-1-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2280-2-0x0000000074000000-0x00000000745AB000-memory.dmp
F:\svchost.exe
| MD5 | caed3664b5078e9bfc73cedcc3b7426d |
| SHA1 | 8782f513ae2dac27002e701b9ff2f620d2811b3d |
| SHA256 | 826c48a6a45e08fac9f070963358a4b84fbedf487e132f3801ac15cbdb483a3d |
| SHA512 | 20162e95d2fffc10527f2e60fe0c6fe97f2a3ef14df3fd70e0e48e7c25ab0050a9bd1fa12d3e3314f76f79a5f3c59b805f535dc788cd86b3288abdaa982e308f |
memory/2280-12-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2280-13-0x0000000074000000-0x00000000745AB000-memory.dmp