Analysis Overview
SHA256
1d6f6da9c17573fb0ecd777294181a20c7cdb5c077a648334873808c91887cb8
Threat Level: Known bad
The file $R5S8JK8.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
2023-12-05 21:14
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-05 21:14
Reported
2023-12-05 21:17
Platform
win7-20231023-en
Max time kernel
148s
Max time network
146s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe
"C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-05 21:14
Reported
2023-12-05 21:17
Platform
win10-20231023-en
Max time kernel
148s
Max time network
145s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe
"C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa | udp |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2023-12-05 21:14
Reported
2023-12-05 21:17
Platform
win10v2004-20231127-en
Max time kernel
160s
Max time network
167s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe
"C:\Users\Admin\AppData\Local\Temp\$R5S8JK8.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 8.8.8.8:53 | 226.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.77.117.104.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp | |
| CA | 167.114.189.33:2404 | tcp | |
| US | 8.8.8.8:53 | 136.71.105.51.in-addr.arpa | udp |
| CA | 167.114.189.33:2404 | tcp |