Analysis Overview
SHA256
a5c9cf2ec9abeb644cbe33bcf1035f3efb1c5282cbd145abbd3c593eb8449a94
Threat Level: Known bad
The file 4860-133-0x0000000010000000-0x000000001013B000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
Systembc family
SystemBC
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-02-08 18:31
Signatures
Systembc family
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-08 18:31
Reported
2023-02-08 18:34
Platform
win7-20221111-en
Max time kernel
29s
Max time network
34s
Command Line
Signatures
SystemBC
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4860-133-0x0000000010000000-0x000000001013B000-memory.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4860-133-0x0000000010000000-0x000000001013B000-memory.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 196
Network
Files
memory/1304-54-0x0000000000000000-mapping.dmp
memory/1304-55-0x0000000075831000-0x0000000075833000-memory.dmp
memory/1156-56-0x0000000000000000-mapping.dmp
memory/1304-57-0x0000000010000000-0x000000001013B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-08 18:31
Reported
2023-02-08 18:34
Platform
win10v2004-20221111-en
Max time kernel
152s
Max time network
163s
Command Line
Signatures
SystemBC
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2376 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2376 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2376 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4860-133-0x0000000010000000-0x000000001013B000-memory.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4860-133-0x0000000010000000-0x000000001013B000-memory.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2120 -ip 2120
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 560
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 20.189.173.12:443 | tcp | |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| NL | 104.80.225.205:443 | tcp |
Files
memory/2120-132-0x0000000000000000-mapping.dmp
memory/2120-133-0x0000000010000000-0x000000001013B000-memory.dmp