Analysis Overview
SHA256
1ae02ca6f062bcbec59a65a057deccefc435b65896c094327da1dcb1f3de6cb6
Threat Level: Shows suspicious behavior
The file 01091c9562dc33d01aeb1dd42f8109d1_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 03:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 03:13
Reported
2024-06-22 03:16
Platform
win7-20240508-en
Max time kernel
118s
Max time network
118s
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\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid\ = "{1953D34D-99EA-4030-9F9C-37A49E2CB16F}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID\ = "01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3012 wrote to memory of 2396 | 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\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll
Network
Files
memory/2396-0-0x0000000000220000-0x000000000029C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 03:13
Reported
2024-06-22 03:16
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
52s
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\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID\ = "01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\Clsid\ = "{1953D34D-99EA-4030-9F9C-37A49E2CB16F}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»ʱ´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3264 wrote to memory of 3020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3264 wrote to memory of 3020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3264 wrote to memory of 3020 | 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\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll