Analysis Overview
SHA256
207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f
Threat Level: Known bad
The file 207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f was found to be: Known bad.
Malicious Activity Summary
Yunsip
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-10-20 00:12
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-20 00:12
Reported
2022-10-20 05:56
Platform
win7-20220812-en
Max time kernel
35s
Max time network
46s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1492 wrote to memory of 1376 | 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\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
Network
Files
memory/1376-54-0x0000000000000000-mapping.dmp
memory/1376-55-0x0000000075921000-0x0000000075923000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-20 00:12
Reported
2022-10-20 05:56
Platform
win10v2004-20220812-en
Max time kernel
145s
Max time network
164s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3424 wrote to memory of 4768 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3424 wrote to memory of 4768 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3424 wrote to memory of 4768 | 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\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.253.225.254:80 | tcp | |
| US | 8.253.225.254:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 20.42.72.131:443 | tcp |
Files
memory/4768-132-0x0000000000000000-mapping.dmp