Analysis Overview
SHA256
e10972dd503fb2eb215eb4f5319d11f2c12514121016fe75c3eb4aa39264ef30
Threat Level: Likely benign
The file c0304df8e78158b358dad2cb8d615635_JaffaCakes118 was found to be: Likely benign.
Malicious Activity Summary
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 06:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 06:56
Reported
2024-08-25 06:59
Platform
win10v2004-20240802-en
Max time kernel
134s
Max time network
127s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3384 wrote to memory of 5064 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3384 wrote to memory of 5064 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3384 wrote to memory of 5064 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 5064 wrote to memory of 4356 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 5064 wrote to memory of 4356 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\Rundll32.exe |
| PID 5064 wrote to memory of 4356 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\Rundll32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll
C:\Windows\SysWOW64\Rundll32.exe
C:\Windows\system32\Rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll,DllUnregisterServer
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 198.111.78.13.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 06:56
Reported
2024-08-25 06:59
Platform
win7-20240704-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll
C:\Windows\SysWOW64\Rundll32.exe
C:\Windows\system32\Rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll,DllUnregisterServer