Analysis Overview
SHA256
ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1
Threat Level: Known bad
The file ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1 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 16:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-21 16:09
Reported
2022-10-22 18:13
Platform
win7-20220901-en
Max time kernel
45s
Max time network
49s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2032 wrote to memory of 2016 | 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\ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1.dll,#1
Network
Files
memory/2016-54-0x0000000000000000-mapping.dmp
memory/2016-55-0x00000000766D1000-0x00000000766D3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 16:09
Reported
2022-10-22 18:13
Platform
win10v2004-20220901-en
Max time kernel
90s
Max time network
154s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4328 wrote to memory of 4368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4328 wrote to memory of 4368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4328 wrote to memory of 4368 | 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\ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ee33b4aa8c28f0aef965abc53f15624dc387601d87054180fb205b792a3cb8b1.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 20.189.173.4:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp |
Files
memory/4368-132-0x0000000000000000-mapping.dmp