Analysis Overview
SHA256
6591a2912fd17b47a0141e8d54b417f05eb4af00b80e7c13f0a1bf0fc5e572f1
Threat Level: Shows suspicious behavior
The file f1c30861c22304aa19addae86ba738a4_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
2024-04-15 19:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 19:36
Reported
2024-04-15 19:38
Platform
win7-20240221-en
Max time kernel
120s
Max time network
125s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ = "sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5742F79A-1D91-42c4-990C-B46CF55A6478} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CLSID\ = "{5742F79A-1D91-42c4-990C-B46CF55A6478}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ProgID\ = "sr.sr.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ = "IPubSR" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CurVer\ = "sr.sr.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32\ThreadingModel = "apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ = "IPubSR" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ = "sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\CLSID\ = "{5742F79A-1D91-42c4-990C-B46CF55A6478}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sr.DLL\AppID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\AppID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\ = "sr 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sr.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\VersionIndependentProgID\ = "sr.sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2868 wrote to memory of 2104 | 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\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll
Network
Files
memory/2104-0-0x0000000010000000-0x0000000010085000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 19:36
Reported
2024-04-15 19:38
Platform
win10v2004-20240412-en
Max time kernel
91s
Max time network
136s
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\{5742F79A-1D91-42c4-990C-B46CF55A6478} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ = "sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CLSID\ = "{5742F79A-1D91-42c4-990C-B46CF55A6478}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ProgID\ = "sr.sr.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sr.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\ = "sr 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CurVer\ = "sr.sr.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ = "IPubSR" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\CLSID\ = "{5742F79A-1D91-42c4-990C-B46CF55A6478}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\VersionIndependentProgID\ = "sr.sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1\ = "CPubSR Object" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ = "IPubSR" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\AppID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\ = "{CF87E7D9-D16A-485C-9104-943A0C088EF3}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000_Classes\AppID\ = "sr" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sr.DLL\AppID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\sr.sr\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5742F79A-1D91-42c4-990C-B46CF55A6478}\InprocServer32\ThreadingModel = "apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CF87E7D9-D16A-485C-9104-943A0C088EF3}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B3B79DD5-4CD5-4F97-8829-5E1F08D46C66}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2732 wrote to memory of 1916 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2732 wrote to memory of 1916 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2732 wrote to memory of 1916 | 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\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f1c30861c22304aa19addae86ba738a4_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/1916-0-0x0000000010000000-0x0000000010085000-memory.dmp