Analysis Overview
SHA256
c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c
Threat Level: Known bad
The file c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c 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 23:07
Platform
win7-20220812-en
Max time kernel
6s
Max time network
47s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1388 wrote to memory of 368 | 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\c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c.dll,#1
Network
Files
memory/368-54-0x0000000000000000-mapping.dmp
memory/368-55-0x0000000074AD1000-0x0000000074AD3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 19:32
Reported
2022-10-22 23:07
Platform
win10v2004-20220812-en
Max time kernel
151s
Max time network
190s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3644 wrote to memory of 1364 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3644 wrote to memory of 1364 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3644 wrote to memory of 1364 | 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\c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c95e77348941c858df79b1b0ce1629608e036ef6ac60381eb34c5f376f74f67c.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| NL | 178.79.208.1:80 | tcp |
Files
memory/1364-132-0x0000000000000000-mapping.dmp