Analysis Overview
SHA256
b0b9308d1de987a021cd7c14e1e9d9aaeeecfd23854e135cc6853b5c7810a133
Threat Level: Known bad
The file e59d608ceeb5588de04e9196201f2f6e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Adds autorun key to be loaded by Explorer.exe on startup
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:49
Reported
2024-04-07 18:52
Platform
win7-20240221-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Adds autorun key to be loaded by Explorer.exe on startup
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\dwnrpofk = "{A5EFC609-F67B-415F-86E9-FFA7DD58777A}" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5EFC609-F67B-415F-86E9-FFA7DD58777A}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5EFC609-F67B-415F-86E9-FFA7DD58777A} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A5EFC609-F67B-415F-86E9-FFA7DD58777A}\InProcServer32\ = "C:\\Windows\\dwnrpofk.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2772 wrote to memory of 2272 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59d608ceeb5588de04e9196201f2f6e_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59d608ceeb5588de04e9196201f2f6e_JaffaCakes118.dll,#1
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:49
Reported
2024-04-07 18:52
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Adds autorun key to be loaded by Explorer.exe on startup
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\dwnrpofk = "{EBD110D2-CB2F-414E-B071-875EBBDD8639}" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD110D2-CB2F-414E-B071-875EBBDD8639} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD110D2-CB2F-414E-B071-875EBBDD8639}\InProcServer32\ = "C:\\Windows\\dwnrpofk.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EBD110D2-CB2F-414E-B071-875EBBDD8639}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5080 wrote to memory of 3532 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5080 wrote to memory of 3532 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5080 wrote to memory of 3532 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59d608ceeb5588de04e9196201f2f6e_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e59d608ceeb5588de04e9196201f2f6e_JaffaCakes118.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |