Analysis Overview
SHA256
87de373056b9799bb232df3ff64099cc99c116c4c5ac730c9611f022f6ea22f1
Threat Level: Known bad
The file a130a2c82983817cd8f4d4bf6685cc19.bin was found to be: Known bad.
Malicious Activity Summary
Systembc family
Blocklisted process makes network request
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-09-14 02:01
Signatures
Systembc family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-14 02:01
Reported
2023-09-14 02:03
Platform
win7-20230831-en
Max time kernel
121s
Max time network
134s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2304 wrote to memory of 284 | 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\33626834ce190f58584d566022ca50ff38f6b34d0231944ef0d27bd7ab7ae6b7.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33626834ce190f58584d566022ca50ff38f6b34d0231944ef0d27bd7ab7ae6b7.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 45.61.136.241:4001 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-14 02:01
Reported
2023-09-14 02:03
Platform
win10v2004-20230831-en
Max time kernel
142s
Max time network
147s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4848 wrote to memory of 1620 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4848 wrote to memory of 1620 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4848 wrote to memory of 1620 | 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\33626834ce190f58584d566022ca50ff38f6b34d0231944ef0d27bd7ab7ae6b7.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33626834ce190f58584d566022ca50ff38f6b34d0231944ef0d27bd7ab7ae6b7.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.20.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 45.61.136.241:4001 | tcp | |
| US | 8.8.8.8:53 | 241.136.61.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |