Analysis Overview
SHA256
d6a1e00751999d2e03f717c83d28a17e57be56ac076e0a65f37b4c7c54558182
Threat Level: Known bad
The file 6c04ea279fe9be8143546f933cfc62b4.dll was found to be: Known bad.
Malicious Activity Summary
SystemBC
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-04-24 06:03
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-24 06:03
Reported
2023-04-24 06:06
Platform
win7-20230220-en
Max time kernel
31s
Max time network
34s
Command Line
Signatures
SystemBC
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1544 wrote to memory of 1568 | 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\6c04ea279fe9be8143546f933cfc62b4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c04ea279fe9be8143546f933cfc62b4.dll,#1
Network
Files
memory/1568-54-0x0000000010000000-0x000000001013E000-memory.dmp
memory/1568-55-0x0000000000A20000-0x0000000000B46000-memory.dmp
memory/1568-56-0x0000000000130000-0x0000000000134000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-24 06:03
Reported
2023-04-24 06:06
Platform
win10v2004-20230220-en
Max time kernel
92s
Max time network
146s
Command Line
Signatures
SystemBC
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2488 wrote to memory of 4860 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2488 wrote to memory of 4860 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2488 wrote to memory of 4860 | 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\6c04ea279fe9be8143546f933cfc62b4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c04ea279fe9be8143546f933cfc62b4.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4860 -ip 4860
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 608
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| IE | 13.69.239.73:443 | tcp | |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| NL | 8.238.20.126:80 | tcp | |
| NL | 8.238.20.126:80 | tcp | |
| NL | 8.238.20.126:80 | tcp | |
| NL | 173.223.113.164:443 | tcp |
Files
memory/4860-133-0x0000000010000000-0x000000001013E000-memory.dmp
memory/4860-134-0x0000000002530000-0x0000000002656000-memory.dmp
memory/4860-135-0x0000000000D40000-0x0000000000D44000-memory.dmp