Analysis Overview
SHA256
8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e
Threat Level: Known bad
The file 8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e 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
2023-11-21 12:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-21 12:20
Reported
2023-11-21 12:23
Platform
win7-20231023-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2224 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe | C:\Windows\system32\notepad.exe |
| PID 2224 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe | C:\Windows\system32\notepad.exe |
| PID 2224 wrote to memory of 2768 | N/A | C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe | C:\Windows\system32\notepad.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe
"C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe"
C:\Windows\system32\notepad.exe
notepad.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-21 12:20
Reported
2023-11-21 12:23
Platform
win10v2004-20231025-en
Max time kernel
142s
Max time network
150s
Command Line
Signatures
Cobaltstrike
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3436 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe | C:\Windows\SYSTEM32\notepad.exe |
| PID 3436 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe | C:\Windows\SYSTEM32\notepad.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe
"C:\Users\Admin\AppData\Local\Temp\8644eac143ebc691ed9bf19ba74b0cbfc60d937f1489ec62df74c1a6c53ab87e.exe"
C:\Windows\SYSTEM32\notepad.exe
notepad.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| CN | 114.115.242.242:8011 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.142.81.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| CN | 114.115.242.242:8011 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| CN | 114.115.242.242:8011 | tcp | |
| US | 8.8.8.8:53 | 194.98.74.40.in-addr.arpa | udp |
Files
memory/3436-0-0x00007FF984D50000-0x00007FF984F45000-memory.dmp
memory/3436-2-0x000001EE3D890000-0x000001EE3D8D1000-memory.dmp