Analysis Overview
SHA256
a790b850ad8a01a4ad924fa34577590163e9471cfcaaae3ff729424ad7a5b8c3
Threat Level: Known bad
The file a790b850ad8a01a4ad924fa34577590163e9471cfcaaae3ff729424ad7a5b8c3 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 08:39
Signatures
Cobaltstrike family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-06 08:39
Reported
2024-08-06 08:42
Platform
win7-20240705-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1420 wrote to memory of 2124 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1420 wrote to memory of 2124 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 1420 wrote to memory of 2124 | 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\a790b850ad8a01a4ad924fa34577590163e9471cfcaaae3ff729424ad7a5b8c3.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1420 -s 52
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 08:39
Reported
2024-08-06 08:42
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
94s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a790b850ad8a01a4ad924fa34577590163e9471cfcaaae3ff729424ad7a5b8c3.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |