Analysis Overview
SHA256
0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6
Threat Level: Known bad
The file 0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6 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 19:33
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-21 19:33
Reported
2022-10-22 23:04
Platform
win7-20220812-en
Max time kernel
36s
Max time network
41s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1192 wrote to memory of 1400 | 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\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
Network
Files
memory/1400-54-0x0000000000000000-mapping.dmp
memory/1400-55-0x0000000076701000-0x0000000076703000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 19:33
Reported
2022-10-22 23:07
Platform
win10v2004-20220812-en
Max time kernel
205s
Max time network
231s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4160 wrote to memory of 4144 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4160 wrote to memory of 4144 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4160 wrote to memory of 4144 | 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\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.4.4:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
Files
memory/4144-132-0x0000000000000000-mapping.dmp