Analysis Overview
SHA256
28375bdfb1c61dd062610bb54e9f9db483b897c4f828930dc37f5ec29a21e3e0
Threat Level: Shows suspicious behavior
The file 040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
ACProtect 1.3x - 1.4x DLL software
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
2024-06-20 07:27
Signatures
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 07:27
Reported
2024-06-20 07:30
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ddd = "ddd" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4008 wrote to memory of 1780 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4008 wrote to memory of 1780 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4008 wrote to memory of 1780 | 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\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll
Network
Files
memory/1780-0-0x0000000010000000-0x000000001000A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 07:27
Reported
2024-06-20 07:30
Platform
win7-20240611-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\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\ddd = "ddd" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D46BEAA4-A304-40B3-A9DA-EC7F7F501F25}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 wrote to memory of 2396 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2356 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\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\040573ffdd508aed60e2c3bfd98bc2f2_JaffaCakes118.dll
Network
Files
memory/2396-0-0x0000000010000000-0x000000001000A000-memory.dmp