Analysis Overview
SHA256
e449d63581173da5231c0b9c467140a98a4953865fc85468a4ae1cc07522a647
Threat Level: Known bad
The file 4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Neshta family
Detect Neshta payload
Modifies Windows Firewall
UPX packed file
Checks computer location settings
Adds Run key to start application
Checks installed software on the system
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-16 09:05
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-16 09:05
Reported
2024-07-16 09:07
Platform
win7-20240705-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\smss = "C:\\Users\\Admin\\smss.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Checks installed software on the system
Enumerates physical storage devices
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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "netsh firewall set opmode disable"
C:\Windows\SysWOW64\reg.exe
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f
C:\Windows\SysWOW64\reg.exe
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f
C:\Users\Admin\smss.exe
"C:\Users\Admin\smss.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall set opmode disable
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | win-hosts.info | udp |
Files
memory/1948-1-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1948-0-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1948-3-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2440-4-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2440-5-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2440-6-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2440-17-0x0000000000400000-0x0000000000478000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-16 09:05
Reported
2024-07-16 09:07
Platform
win10v2004-20240709-en
Max time kernel
146s
Max time network
95s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\smss = "C:\\Users\\Admin\\smss.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Checks installed software on the system
Enumerates physical storage devices
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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4da43d3f28b40c3db5478c692ff4c773_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "netsh firewall set opmode disable"
C:\Users\Admin\smss.exe
"C:\Users\Admin\smss.exe"
C:\Windows\SysWOW64\reg.exe
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f
C:\Windows\SysWOW64\reg.exe
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f
C:\Windows\SysWOW64\netsh.exe
netsh firewall set opmode disable
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | win-hosts.info | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | win-hosts.info | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/4080-0-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4080-1-0x0000000002520000-0x0000000002522000-memory.dmp
memory/4080-2-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-3-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4080-5-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-6-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-7-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-8-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-10-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-12-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-13-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-14-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-16-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-20-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2388-21-0x0000000000400000-0x0000000000478000-memory.dmp