Analysis Overview
SHA256
d103c5d7256a98b1738eeaea94396a610e9cfeed67c6cecf1b4bdacacb7bcb43
Threat Level: Shows suspicious behavior
The file 018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 10:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 10:03
Reported
2024-06-22 10:05
Platform
win7-20240508-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-489D-4767-3D12-4A26F7E57F87} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID\ = "018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-489D-4767-3D12-4A26F7E57F87}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ = "brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\ = "brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1232 wrote to memory of 2116 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
Network
Files
memory/2116-0-0x0000000000260000-0x0000000000304000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 10:03
Reported
2024-06-22 10:05
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-489D-4767-3D12-4A26F7E57F87} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\ = "brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ = "brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-489D-4767-3D12-4A26F7E57F87}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-489D-4767-3D12-4A26F7E57F87}\ProgID\ = "018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.brm inc" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1532 wrote to memory of 1036 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1532 wrote to memory of 1036 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1532 wrote to memory of 1036 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\018c209d2dde5a76c1fb8ea3bd1c9c99_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |