Analysis Overview
SHA256
a790b850ad8a01a4ad924fa34577590163e9471cfcaaae3ff729424ad7a5b8c3
Threat Level: Known bad
The file 1308-1-0x0000000048C70000-0x0000000048CBF000-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 08:34
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 08:34
Reported
2024-08-06 08:37
Platform
win7-20240708-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2360 wrote to memory of 2252 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 2360 wrote to memory of 2252 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\WerFault.exe |
| PID 2360 wrote to memory of 2252 | 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\1308-1-0x0000000048C70000-0x0000000048CBF000-memory.dll,#1
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2360 -s 52
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 08:34
Reported
2024-08-06 08:37
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
122s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1308-1-0x0000000048C70000-0x0000000048CBF000-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 | 75.159.190.20.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 | 26.165.165.52.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 | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |