Analysis Overview
SHA256
ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a
Threat Level: Known bad
The file ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a was found to be: Known bad.
Malicious Activity Summary
Yunsip
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-10-21 19:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-21 19:32
Reported
2022-10-22 23:07
Platform
win7-20220812-en
Max time kernel
27s
Max time network
46s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1664 wrote to memory of 1680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
Network
Files
memory/1680-54-0x0000000000000000-mapping.dmp
memory/1680-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 19:32
Reported
2022-10-22 23:06
Platform
win10v2004-20220901-en
Max time kernel
91s
Max time network
153s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4920 wrote to memory of 4932 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4920 wrote to memory of 4932 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4920 wrote to memory of 4932 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 20.189.173.1:443 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/4932-132-0x0000000000000000-mapping.dmp