Analysis Overview
SHA256
1519515928cc253ed7c9b33aa4ae74c8f5f2a70acd824c2e3c9f0d5ee444c821
Threat Level: Shows suspicious behavior
The file 02029a3e2b9f1146d7fad153032eb1d6_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 11:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 11:52
Reported
2024-06-22 11:55
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
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\{42B448E1-483C-4BDB-991E-D10E5D546150} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{42B448E1-483C-4BDB-991E-D10E5D546150}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID\ = "02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid\ = "{42B448E1-483C-4BDB-991E-D10E5D546150}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2412 wrote to memory of 2124 | 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\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
Network
Files
memory/2124-0-0x0000000000910000-0x000000000098C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 11:52
Reported
2024-06-22 11:55
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\{42B448E1-483C-4BDB-991E-D10E5D546150} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{42B448E1-483C-4BDB-991E-D10E5D546150}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\ProgID\ = "02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42B448E1-483C-4BDB-991E-D10E5D546150}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid\ = "{42B448E1-483C-4BDB-991E-D10E5D546150}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3100 wrote to memory of 1944 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3100 wrote to memory of 1944 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3100 wrote to memory of 1944 | 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\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\02029a3e2b9f1146d7fad153032eb1d6_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |