Analysis Overview
SHA256
6cb0c6c55411375878184fba0feeee93c99c7f184818449e548ef875486ec38a
Threat Level: Known bad
The file fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 09:02
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-27 09:02
Reported
2024-09-27 09:04
Platform
win7-20240903-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 opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_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\fa1c69db99f7406b5b5be5994a2ecc38_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\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.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\fa1c69db99f7406b5b5be5994a2ecc38_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 3036 wrote to memory of 2240 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3036 wrote to memory of 2240 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3036 wrote to memory of 2240 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3036 wrote to memory of 2240 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe" "fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
Files
memory/3036-0-0x0000000074B81000-0x0000000074B82000-memory.dmp
memory/3036-1-0x0000000074B80000-0x000000007512B000-memory.dmp
memory/3036-2-0x0000000074B80000-0x000000007512B000-memory.dmp
memory/3036-4-0x0000000074B80000-0x000000007512B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 09:02
Reported
2024-09-27 09:04
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\fdb6a2048ccd0ff51cb30e142e8611b4.exe | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_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\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fdb6a2048ccd0ff51cb30e142e8611b4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe\" .." | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.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\fa1c69db99f7406b5b5be5994a2ecc38_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 464 wrote to memory of 4216 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 464 wrote to memory of 4216 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 464 wrote to memory of 4216 | N/A | C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe" "fa1c69db99f7406b5b5be5994a2ecc38_JaffaCakes118.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zdzdzdzd.kro.kr | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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 | 14.227.111.52.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 | 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 | udp |
Files
memory/464-0-0x0000000074C52000-0x0000000074C53000-memory.dmp
memory/464-1-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/464-2-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/464-4-0x0000000074C52000-0x0000000074C53000-memory.dmp
memory/464-5-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/464-6-0x0000000074C50000-0x0000000075201000-memory.dmp