Analysis Overview
SHA256
67311c268965b0198e4f3cc710d92648b77713a77fb13e5bdb76be43e5da7fc3
Threat Level: Known bad
The file 1084-0-0x00000000002D0000-0x0000000000322000-memory.dmp was found to be: Known bad.
Malicious Activity Summary
Cobaltstrike family
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-08-06 08:50
Signatures
Cobaltstrike family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 08:50
Reported
2024-08-06 08:52
Platform
win10v2004-20240802-en
Max time kernel
120s
Max time network
119s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1084-0-0x00000000002D0000-0x0000000000322000-memory.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-06 08:50
Reported
2024-08-06 08:52
Platform
win7-20240704-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2804 wrote to memory of 2824 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 2804 wrote to memory of 2824 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 2804 wrote to memory of 2824 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1084-0-0x00000000002D0000-0x0000000000322000-memory.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2804 -s 56