Analysis Overview
SHA256
e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98
Threat Level: Known bad
The file e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98 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 23:06
Platform
win7-20220901-en
Max time kernel
47s
Max time network
52s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1416 wrote to memory of 1224 | 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\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
Network
Files
memory/1224-54-0x0000000000000000-mapping.dmp
memory/1224-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 19:32
Reported
2022-10-22 23:06
Platform
win10v2004-20220812-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2448 wrote to memory of 8 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 8 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 8 | 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\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 52.168.117.170:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp |
Files
memory/8-132-0x0000000000000000-mapping.dmp