Analysis Overview
SHA256
4e01c76200fe5e4cde437fdd12b42c9d2c884018b7f9b89e097ff53ee4e75ec9
Threat Level: Known bad
The file Client.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-08 10:01
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 10:01
Reported
2024-01-08 10:04
Platform
win7-20231215-en
Max time kernel
137s
Max time network
157s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
Network
| Country | Destination | Domain | Proto |
| BG | 91.92.251.28:4782 | tcp | |
| BG | 91.92.251.28:4782 | tcp | |
| BG | 91.92.251.28:4782 | tcp | |
| BG | 91.92.251.28:4782 | tcp | |
| BG | 91.92.251.28:4782 | tcp | |
| BG | 91.92.251.28:4782 | tcp |
Files
memory/1228-0-0x00000000001A0000-0x00000000004C4000-memory.dmp
memory/1228-1-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp
memory/1228-2-0x000000001B2F0000-0x000000001B370000-memory.dmp
memory/1228-3-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp
memory/1228-4-0x000000001B2F0000-0x000000001B370000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 10:01
Reported
2024-01-08 10:04
Platform
win10v2004-20231215-en
Max time kernel
159s
Max time network
174s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 18.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| BG | 91.92.251.28:4782 | tcp | |
| US | 8.8.8.8:53 | 59.128.231.4.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 |
| BG | 91.92.251.28:4782 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 213.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| BG | 91.92.251.28:4782 | tcp | |
| 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 |
| BG | 91.92.251.28:4782 | tcp |
Files
memory/3856-0-0x00000000003E0000-0x0000000000704000-memory.dmp
memory/3856-1-0x00007FFC393F0000-0x00007FFC39EB1000-memory.dmp
memory/3856-2-0x0000000002A30000-0x0000000002A40000-memory.dmp
memory/3856-3-0x00007FFC393F0000-0x00007FFC39EB1000-memory.dmp
memory/3856-4-0x0000000002A30000-0x0000000002A40000-memory.dmp
memory/3856-5-0x000000001BE00000-0x000000001BE50000-memory.dmp
memory/3856-6-0x000000001BF10000-0x000000001BFC2000-memory.dmp