Analysis Overview
SHA256
8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b
Threat Level: Known bad
The file 8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b was found to be: Known bad.
Malicious Activity Summary
Emotet
Emotet family
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 17:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 17:49
Reported
2024-11-13 17:51
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Emotet
Emotet family
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll",DllRegisterServer
Network
Files
memory/2176-0-0x00000000001C0000-0x00000000001E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 17:49
Reported
2024-11-13 17:51
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
140s
Command Line
Signatures
Emotet
Emotet family
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4604 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4604 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4604 wrote to memory of 2020 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2020 wrote to memory of 4968 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2020 wrote to memory of 4968 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2020 wrote to memory of 4968 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\8b3f6d3e910aa381e4858496ab9076154c304c9c1a2e9e70e6b919a17958221b.dll",DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/2020-0-0x0000000000CB0000-0x0000000000CD6000-memory.dmp