Analysis Overview
SHA256
967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee
Threat Level: Known bad
The file 967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample was found to be: Known bad.
Malicious Activity Summary
Egregor Ransomware
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2021-07-26 12:40
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-26 12:40
Reported
2021-07-26 12:48
Platform
win10v20210410
Max time kernel
10s
Max time network
113s
Command Line
Signatures
Egregor Ransomware
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 772 wrote to memory of 588 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 772 wrote to memory of 588 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 772 wrote to memory of 588 | 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\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
Network
Files
memory/588-114-0x0000000000000000-mapping.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-26 12:40
Reported
2021-07-26 12:48
Platform
win7v20210408
Max time kernel
131s
Max time network
164s
Command Line
Signatures
Egregor Ransomware
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2044 wrote to memory of 1248 | 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\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
Network
Files
memory/2044-60-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp
memory/1248-61-0x0000000000000000-mapping.dmp
memory/1248-62-0x0000000076691000-0x0000000076693000-memory.dmp