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 14:39
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-10 14:39
Reported
2022-08-10 14:41
Platform
win7-20220715-en
Max time kernel
45s
Max time network
49s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 760 wrote to memory of 1996 | 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
Files
memory/760-54-0x000007FEFC341000-0x000007FEFC343000-memory.dmp
memory/1996-55-0x0000000000000000-mapping.dmp
memory/1996-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
memory/1996-57-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1996-63-0x00000000001E0000-0x00000000001ED000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-10 14:39
Reported
2022-08-10 14:41
Platform
win10v2004-20220721-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Gozi, Gozi IFSB
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5032 wrote to memory of 1488 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 5032 wrote to memory of 1488 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 5032 wrote to memory of 1488 | 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 |
| US | 20.189.173.14:443 | tcp | |
| US | 13.107.42.16:80 | config.edge.skype.com | tcp |
| NL | 40.126.32.72:443 | tcp | |
| NL | 79.110.52.8:80 | tcp | |
| NL | 20.190.160.22:443 | tcp | |
| NL | 40.126.32.72:443 | tcp | |
| NL | 40.126.32.133:443 | tcp | |
| NL | 20.190.160.22:443 | tcp | |
| NL | 20.190.160.14:443 | tcp | |
| NL | 40.126.32.133:443 | tcp |
Files
memory/1488-130-0x0000000000000000-mapping.dmp
memory/1488-131-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1488-136-0x00000000008A0000-0x00000000008AD000-memory.dmp