Analysis Overview
SHA256
3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106
Threat Level: Known bad
The file 3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106 was found to be: Known bad.
Malicious Activity Summary
Remcos family
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-12 03:55
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-12 03:55
Reported
2024-08-12 03:58
Platform
win7-20240708-en
Max time kernel
147s
Max time network
142s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe
"C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-12 03:55
Reported
2024-08-12 03:58
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe
"C:\Users\Admin\AppData\Local\Temp\3ff8b326998da5191af6560d82d7999a572034a4b0b04d33e499a56951df5106.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.0.75:139 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| N/A | 192.168.0.75:139 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| N/A | 192.168.0.75:139 | tcp | |
| N/A | 192.168.0.75:139 | tcp |