Analysis Overview
SHA256
ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e
Threat Level: Known bad
The file ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Quasar family
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 02:46
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
2023-12-26 02:46
Reported
2023-12-26 02:49
Platform
win7-20231215-en
Max time kernel
128s
Max time network
142s
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\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe
"C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe"
Network
| Country | Destination | Domain | Proto |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp |
Files
memory/688-0-0x0000000000930000-0x0000000000C54000-memory.dmp
memory/688-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp
memory/688-2-0x000000001ADA0000-0x000000001AE20000-memory.dmp
memory/688-3-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp
memory/688-4-0x000000001ADA0000-0x000000001AE20000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 02:46
Reported
2023-12-26 02:50
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
156s
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\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe
"C:\Users\Admin\AppData\Local\Temp\ef7f08ba6d40fb6a41d518c42f5791bb2d9348468c51d6e0356836003503191e.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp | |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp | |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.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 |
| US | 8.8.8.8:53 | 50.134.221.88.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp | |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp | |
| CN | 101.37.69.75:4782 | tcp | |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
| CN | 101.37.69.75:4782 | tcp |
Files
memory/3804-0-0x0000000000B70000-0x0000000000E94000-memory.dmp
memory/3804-1-0x00007FFE9C7B0000-0x00007FFE9D271000-memory.dmp
memory/3804-2-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/3804-3-0x000000001C590000-0x000000001C5E0000-memory.dmp
memory/3804-4-0x000000001C6A0000-0x000000001C752000-memory.dmp
memory/3804-5-0x00007FFE9C7B0000-0x00007FFE9D271000-memory.dmp
memory/3804-6-0x0000000002F10000-0x0000000002F20000-memory.dmp