Analysis Overview
SHA256
62ab8be336e0479fdcf1eacc88a063e5f2b45199fdc88bf349666721c1d945d9
Threat Level: Shows suspicious behavior
The file 01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
ACProtect 1.3x - 1.4x DLL software
UPX packed file
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 11:43
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 11:43
Reported
2024-06-22 11:46
Platform
win7-20240508-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\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2024 wrote to memory of 1508 | 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\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll
Network
Files
memory/1508-0-0x00000000022B0000-0x0000000002436000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 11:43
Reported
2024-06-22 11:46
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\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3816 wrote to memory of 2272 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3816 wrote to memory of 2272 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3816 wrote to memory of 2272 | 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\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\01f9e1833b74f65843d6fffc54d4c31e_JaffaCakes118.dll
Network
Files
memory/2272-0-0x0000000000400000-0x0000000000586000-memory.dmp