Analysis Overview
SHA256
a7fe915517ec1fff09e9b59be27d2ab81c3bbb018c80583ea7ac94ce9185472a
Threat Level: Known bad
The file t3.zip was found to be: Known bad.
Malicious Activity Summary
Egregor Ransomware
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2020-11-04 18:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2020-11-04 18:14
Reported
2020-11-04 18:24
Platform
win10v20201028
Max time kernel
360s
Max time network
432s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1036 wrote to memory of 2652 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 1036 wrote to memory of 2652 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\spr2.bat"
C:\Windows\system32\rundll32.exe
rundll32.exe "\\SRV01QW\sp\b.dll",DllRegisterServer --passegregor10 --append="carraro" --multiproc
Network
Files
memory/2652-0-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-11-04 18:14
Reported
2020-11-04 18:24
Platform
win10v20201028
Max time kernel
576s
Max time network
579s
Command Line
Signatures
Egregor Ransomware
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 648 wrote to memory of 3692 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 648 wrote to memory of 3692 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 648 wrote to memory of 3692 | 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\b.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\b.dll
Network
Files
memory/3692-0-0x0000000000000000-mapping.dmp
memory/3692-1-0x00000000023A0000-0x00000000023DF000-memory.dmp