Analysis Overview
SHA256
db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e
Threat Level: Known bad
The file db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e 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 23:04
Platform
win7-20220812-en
Max time kernel
33s
Max time network
41s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1928 wrote to memory of 1704 | 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\db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e.dll,#1
Network
Files
memory/1704-54-0x0000000000000000-mapping.dmp
memory/1704-55-0x00000000762B1000-0x00000000762B3000-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
167s
Max time network
185s
Command Line
Signatures
Yunsip
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2444 wrote to memory of 4124 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2444 wrote to memory of 4124 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2444 wrote to memory of 4124 | 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\db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db145e9a4a25c814bad5249b7f2ec7dbc516a04aed1cdc635981973648d59e2e.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 95.101.78.82:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| NL | 8.248.5.254:80 | tcp | |
| US | 52.182.143.208:443 | tcp | |
| NL | 8.248.5.254:80 | tcp | |
| NL | 8.248.5.254:80 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
Files
memory/4124-132-0x0000000000000000-mapping.dmp