Analysis Overview
SHA256
2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f
Threat Level: Known bad
The file 2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f 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
47s
Max time network
52s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1380 wrote to memory of 1672 | 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\2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f.dll,#1
Network
Files
memory/1672-54-0x0000000000000000-mapping.dmp
memory/1672-55-0x00000000757A1000-0x00000000757A3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 16:09
Reported
2022-10-22 18:13
Platform
win10v2004-20220812-en
Max time kernel
99s
Max time network
133s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5012 wrote to memory of 2080 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5012 wrote to memory of 2080 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5012 wrote to memory of 2080 | 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\2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fe8d2516d2bf0efe9a5d4ff731d05f165a7aa1e97cc19c680e2036b3a29613f.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 | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 8.248.5.254:80 | tcp |
Files
memory/2080-132-0x0000000000000000-mapping.dmp