Analysis Overview
SHA256
646ab5eb6224824f04f4b78b80f47e2b7251c8ad9af55d806f7a016403f2fa45
Threat Level: Known bad
The file unpacked_gozi_sample.exe.dll was found to be: Known bad.
Malicious Activity Summary
Gozi family
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-03-21 11:05
Signatures
Gozi family
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-21 11:05
Reported
2023-03-21 11:07
Platform
win7-20230220-en
Max time kernel
31s
Max time network
34s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2004 wrote to memory of 1732 | 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\unpacked_gozi_sample.exe.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\unpacked_gozi_sample.exe.dll,#1
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-21 11:05
Reported
2023-03-21 11:07
Platform
win10v2004-20230220-en
Max time kernel
135s
Max time network
146s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1744 wrote to memory of 4464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1744 wrote to memory of 4464 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1744 wrote to memory of 4464 | 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\unpacked_gozi_sample.exe.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\unpacked_gozi_sample.exe.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 13.89.179.9:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| NL | 8.238.20.126:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| NL | 8.238.177.126:80 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp |