Analysis Overview
SHA256
d77a6dbe3410c7e968b9403d5186cb7836c23340672a6428996ab873652fecbb
Threat Level: Known bad
The file remcos_agent.exe was found to be: Known bad.
Malicious Activity Summary
Remcos family
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-29 22:46
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-29 22:46
Reported
2024-03-29 22:49
Platform
win7-20240221-en
Max time kernel
121s
Max time network
121s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe
"C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-29 22:46
Reported
2024-03-29 22:49
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
123s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe
"C:\Users\Admin\AppData\Local\Temp\remcos_agent.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| NL | 52.142.223.178:80 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 41.134.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp | |
| N/A | 127.0.0.1:2404 | tcp |