Analysis Overview
SHA256
ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421
Threat Level: Known bad
The file ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421 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 00:11
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-20 00:11
Reported
2022-10-20 05:54
Platform
win7-20220901-en
Max time kernel
47s
Max time network
51s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1724 wrote to memory of 1128 | 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\ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421.dll,#1
Network
Files
memory/1128-54-0x0000000000000000-mapping.dmp
memory/1128-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-20 00:11
Reported
2022-10-20 05:56
Platform
win10v2004-20220812-en
Max time kernel
171s
Max time network
236s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4768 wrote to memory of 1028 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4768 wrote to memory of 1028 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4768 wrote to memory of 1028 | 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\ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ead6409badf8d0f2109e32028a19dc5a8d80a08d4853e2641ea14b75b26a6421.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| DE | 51.116.253.168:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 15.89.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
Files
memory/1028-132-0x0000000000000000-mapping.dmp