Analysis Overview
SHA256
b0ce82250d7bd240d4085a673d39ea6d8742ea1c283dc1028e26f2f89a2fa709
Threat Level: Known bad
The file 2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe was found to be: Known bad.
Malicious Activity Summary
Chaos Ransomware
Chaos family
Chaos
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-09-10 14:53
Signatures
Chaos Ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Chaos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 14:53
Reported
2023-09-10 14:55
Platform
win7-20230831-en
Max time kernel
118s
Max time network
121s
Command Line
Signatures
Chaos
Chaos Ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2124 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe | C:\Windows\system32\WerFault.exe |
| PID 2124 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe | C:\Windows\system32\WerFault.exe |
| PID 2124 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2124 -s 476
Network
Files
memory/2124-0-0x0000000001220000-0x000000000122C000-memory.dmp
memory/2124-1-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp
memory/2124-2-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-10 14:53
Reported
2023-09-10 14:55
Platform
win10v2004-20230831-en
Max time kernel
142s
Max time network
147s
Command Line
Signatures
Chaos
Chaos Ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-24_723d66a4b445d3878ea62a72e49d03ee_destroyer_wannacry_JC.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 2304 -ip 2304
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2304 -s 700
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
Files
memory/2304-0-0x0000000000170000-0x000000000017C000-memory.dmp
memory/2304-1-0x00007FF8E97C0000-0x00007FF8EA281000-memory.dmp
memory/2304-2-0x00007FF8E97C0000-0x00007FF8EA281000-memory.dmp