Analysis Overview
SHA256
07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881
Threat Level: Known bad
The file 07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881 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 21:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-20 21:21
Reported
2022-10-21 00:44
Platform
win7-20220812-en
Max time kernel
37s
Max time network
47s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 988 wrote to memory of 1168 | 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\07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 104.19.241.83:443 | tcp | |
| US | 104.18.100.40:443 | tcp |
Files
memory/1168-54-0x0000000000000000-mapping.dmp
memory/1168-55-0x0000000075E31000-0x0000000075E33000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-20 21:21
Reported
2022-10-21 00:44
Platform
win10v2004-20220812-en
Max time kernel
126s
Max time network
144s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3008 wrote to memory of 980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3008 wrote to memory of 980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3008 wrote to memory of 980 | 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\07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\07d2c3e4494cd9efe203af28078f184da742fcbe4576658e11d3905a75dd3881.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 40.125.122.151:443 | tcp | |
| US | 20.189.173.4:443 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| NL | 87.248.202.1:80 | tcp | |
| US | 8.8.8.8:53 | 15.89.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.3.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/980-132-0x0000000000000000-mapping.dmp