Analysis Overview
SHA256
63a15ff11a2bc14002dab68e38609f7fa8459211418f1edc876a310031ba4840
Threat Level: Shows suspicious behavior
The file 09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-30 06:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-30 06:43
Reported
2024-04-30 06:45
Platform
win7-20240221-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 1724 | 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\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-30 06:43
Reported
2024-04-30 06:45
Platform
win10v2004-20240419-en
Max time kernel
148s
Max time network
150s
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\{DF5EF25D-0957-5709-B63D-18D18AA79934} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "Windows Media" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\ = "{5473378F-410E-401B-AAB3-A196DF144470}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Version\ = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer\ = "windowsmedia.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ = "IIECatch" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429F~1.DLL" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\ = "windowsmedia 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ProgID\ = "windowsmedia.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "windowsmedia Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\TypeLib\ = "{5473378F-410E-401b-AAB3-A196DF144470}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\ = "windowsmedia Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\VersionIndependentProgID\ = "windowsmedia" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ = "IIECatch" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID\ = "{DF5EF25D-0957-5709-B63D-18D18AA79934}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Version | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID\ = "{DF5EF25D-0957-5709-B63D-18D18AA79934}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\ = "{5473378F-410E-401B-AAB3-A196DF144470}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "Microsoft(R) Windows Media Player" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\ = "windowsmedia Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2684 wrote to memory of 2940 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2684 wrote to memory of 2940 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2684 wrote to memory of 2940 | 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\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |