Analysis Overview
SHA256
a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6
Threat Level: Known bad
The file a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6 was found to be: Known bad.
Malicious Activity Summary
Cobaltstrike
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2023-10-13 03:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-13 03:30
Reported
2023-10-18 01:15
Platform
win7-20230831-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Cobaltstrike
Processes
C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe
"C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe"
Network
| Country | Destination | Domain | Proto |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
| CN | 119.96.194.181:4455 | outlook.live.com | tcp |
Files
memory/2120-0-0x0000000000970000-0x0000000000B33000-memory.dmp
memory/2120-1-0x0000000002790000-0x0000000002940000-memory.dmp
memory/2120-3-0x0000000002790000-0x0000000002940000-memory.dmp
memory/2120-5-0x0000000002790000-0x0000000002940000-memory.dmp
memory/2120-4-0x0000000002790000-0x0000000002940000-memory.dmp
memory/2120-6-0x00000000008A0000-0x00000000008A1000-memory.dmp
memory/2120-7-0x000000013F5E0000-0x000000013F9EF000-memory.dmp
memory/2120-8-0x0000000002790000-0x0000000002940000-memory.dmp
memory/2120-9-0x000000002AA80000-0x000000002AE80000-memory.dmp
memory/2120-10-0x000007FEF6E10000-0x000007FEF6EBC000-memory.dmp
memory/2120-11-0x000000013F5E0000-0x000000013F9EF000-memory.dmp
memory/2120-12-0x000007FEF6E10000-0x000007FEF6EBC000-memory.dmp
memory/2120-13-0x000000002AA80000-0x000000002AE80000-memory.dmp
memory/2120-23-0x000007FEF6E10000-0x000007FEF6EBC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-13 03:30
Reported
2023-10-18 01:17
Platform
win10v2004-20230915-en
Max time kernel
162s
Max time network
179s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1100 wrote to memory of 4312 | N/A | C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe | C:\Windows\system32\WerFault.exe |
| PID 1100 wrote to memory of 4312 | N/A | C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe
"C:\Users\Admin\AppData\Local\Temp\a286200bb41bcca5e176fd5ff56223ada0ee8e550ab8184eea09a6bdaf6ebab6.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1100 -s 124
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.189.79.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
Files
memory/1100-0-0x00007FF78F3A0000-0x00007FF78F7AF000-memory.dmp