Analysis Overview
SHA256
4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6
Threat Level: Known bad
The file 4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6 was found to be: Known bad.
Malicious Activity Summary
Emotet
Emotet family
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 17:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 17:42
Reported
2024-11-13 17:45
Platform
win7-20241010-en
Max time kernel
122s
Max time network
129s
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\regsvr32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll",DllRegisterServer
Network
Files
memory/2876-0-0x00000000001E0000-0x0000000000208000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 17:42
Reported
2024-11-13 17:45
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
141s
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\regsvr32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2700 wrote to memory of 4572 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2700 wrote to memory of 4572 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2700 wrote to memory of 4572 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4572 wrote to memory of 3124 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4572 wrote to memory of 3124 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4572 wrote to memory of 3124 | 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\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4839af78b3165e9bf72161d48a31a6906587081743afa010c331a55ce6652ad6.dll",DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/4572-0-0x0000000002440000-0x0000000002468000-memory.dmp