Analysis Overview
SHA256
1277c4177d2b564b221a369c587c6a99558253234f37bfbf19fef3a63bce88b5
Threat Level: Known bad
The file 31a1197c1f7a1cb2b53bd1bb7fe2e1f8.dll was found to be: Known bad.
Malicious Activity Summary
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-08-10 14:40
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-10 14:40
Reported
2022-08-10 14:42
Platform
win7-20220715-en
Max time kernel
45s
Max time network
56s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1488 wrote to memory of 1252 | 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\31a1197c1f7a1cb2b53bd1bb7fe2e1f8.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\31a1197c1f7a1cb2b53bd1bb7fe2e1f8.dll
Network
| Country | Destination | Domain | Proto |
| NL | 172.217.168.238:443 | tcp | |
| NL | 142.250.179.206:443 | tcp | |
| US | 8.8.8.8:443 | tcp | |
| NL | 142.251.36.45:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| NL | 142.250.179.195:443 | tcp | |
| NL | 216.58.208.99:443 | tcp | |
| NL | 142.250.179.195:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| NL | 142.250.179.163:443 | tcp | |
| US | 8.8.8.8:443 | tcp |
Files
memory/1488-54-0x000007FEFC3E1000-0x000007FEFC3E3000-memory.dmp
memory/1252-55-0x0000000000000000-mapping.dmp
memory/1252-56-0x00000000764D1000-0x00000000764D3000-memory.dmp
memory/1252-57-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1252-63-0x00000000001A0000-0x00000000001AD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-10 14:40
Reported
2022-08-10 14:42
Platform
win10v2004-20220721-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2288 wrote to memory of 4436 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2288 wrote to memory of 4436 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2288 wrote to memory of 4436 | 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\31a1197c1f7a1cb2b53bd1bb7fe2e1f8.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\31a1197c1f7a1cb2b53bd1bb7fe2e1f8.dll
Network
| Country | Destination | Domain | Proto |
| NL | 104.80.225.205:443 | tcp | |
| FR | 51.11.192.48:443 | tcp | |
| US | 13.107.42.16:80 | config.edge.skype.com | tcp |
| US | 8.253.183.249:80 | tcp | |
| US | 8.253.183.249:80 | tcp | |
| US | 8.253.183.249:80 | tcp | |
| US | 8.253.183.249:80 | tcp | |
| US | 67.26.205.254:80 | tcp | |
| US | 8.253.183.249:80 | tcp | |
| US | 67.26.205.254:80 | tcp | |
| NL | 79.110.52.8:80 | tcp |
Files
memory/4436-130-0x0000000000000000-mapping.dmp
memory/4436-131-0x0000000010000000-0x000000001000E000-memory.dmp
memory/4436-136-0x00000000008F0000-0x00000000008FD000-memory.dmp