Analysis Overview
SHA256
a770f54e2275c283b919ffa78c3679e331450ca0c40d0e482ffdf2feb361cf68
Threat Level: Likely benign
The file 23lk42joia.dll was found to be: Likely benign.
Malicious Activity Summary
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-05-11 16:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-11 16:06
Reported
2023-05-11 16:09
Platform
win7-20230220-en
Max time kernel
8s
Max time network
34s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1440 wrote to memory of 1348 | 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\23lk42joia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23lk42joia.dll,#1
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-11 16:06
Reported
2023-05-11 16:09
Platform
win10v2004-20230220-en
Max time kernel
183s
Max time network
194s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4888 wrote to memory of 4452 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4888 wrote to memory of 4452 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4888 wrote to memory of 4452 | 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\23lk42joia.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23lk42joia.dll,#1
Network
| Country | Destination | Domain | Proto |
| IE | 20.123.104.105:443 | tcp | |
| US | 40.125.122.151:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.d.a.8.b.e.f.b.0.0.0.0.0.0.0.0.4.0.0.a.0.0.1.f.1.1.1.0.1.0.a.2.ip6.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 20.42.65.85:443 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| IE | 40.126.31.69:443 | tcp | |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.252.72.23.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| IE | 20.190.159.68:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| IE | 20.190.159.75:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp |