Analysis Overview
SHA256
69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8
Threat Level: Known bad
The file stage_2gozi.dll was found to be: Known bad.
Malicious Activity Summary
Gozi
Gozi family
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-03-21 11:05
Signatures
Gozi family
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-21 11:05
Reported
2023-03-21 11:07
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Gozi
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3804 wrote to memory of 3320 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3804 wrote to memory of 3320 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3804 wrote to memory of 3320 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.104.205.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 52.152.108.96:443 | tcp | |
| US | 20.189.173.12:443 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
| NL | 8.238.20.126:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 8.238.20.126:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| GB | 52.123.242.83:80 | config.edge.skype.com | tcp |
| US | 8.8.8.8:53 | 83.242.123.52.in-addr.arpa | udp |
| RU | 91.215.85.201:80 | 91.215.85.201 | tcp |
| US | 8.8.8.8:53 | 201.85.215.91.in-addr.arpa | udp |
Files
memory/3320-133-0x00000000012F0000-0x00000000012FD000-memory.dmp
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
33s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2016 wrote to memory of 2028 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll