Analysis Overview
SHA256
d6a1e00751999d2e03f717c83d28a17e57be56ac076e0a65f37b4c7c54558182
Threat Level: Known bad
The file 6c04ea279fe9be8143546f933cfc62b4.dll was found to be: Known bad.
Malicious Activity Summary
SystemBC
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-05-07 03:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-07 03:07
Reported
2023-05-07 09:43
Platform
win7-20230220-en
Max time kernel
240s
Max time network
336s
Command Line
Signatures
SystemBC
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 588 wrote to memory of 1352 | 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/1352-54-0x0000000010000000-0x000000001013E000-memory.dmp
memory/1352-55-0x0000000010000000-0x000000001013E000-memory.dmp
memory/1352-56-0x00000000008F0000-0x0000000000A16000-memory.dmp
memory/1352-57-0x00000000001F0000-0x00000000001F4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-07 03:07
Reported
2023-05-07 09:39
Platform
win10v2004-20230220-en
Max time kernel
135s
Max time network
157s
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 4624 wrote to memory of 5112 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4624 wrote to memory of 5112 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4624 wrote to memory of 5112 | 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 436 -p 5112 -ip 5112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 163.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.146.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 20.189.173.5:443 | tcp | |
| NL | 88.221.25.155:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| NL | 178.79.208.1:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp |
Files
memory/5112-133-0x0000000010000000-0x000000001013E000-memory.dmp
memory/5112-134-0x00000000029C0000-0x0000000002AE6000-memory.dmp
memory/5112-135-0x0000000001180000-0x0000000001184000-memory.dmp