Analysis Overview
SHA256
63a6116026ded4e6c7061bbebb6ca2c1b58fdad9c65925328d4250eb3d061eaf
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
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
2024-07-31 16:54
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
2024-07-31 16:54
Reported
2024-07-31 16:56
Platform
win7-20240704-en
Max time kernel
131s
Max time network
140s
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-built.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
Network
| Country | Destination | Domain | Proto |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp |
Files
memory/3032-0-0x000007FEF6193000-0x000007FEF6194000-memory.dmp
memory/3032-1-0x00000000009E0000-0x0000000000D04000-memory.dmp
memory/3032-2-0x000007FEF6190000-0x000007FEF6B7C000-memory.dmp
memory/3032-3-0x000007FEF6193000-0x000007FEF6194000-memory.dmp
memory/3032-4-0x000007FEF6190000-0x000007FEF6B7C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-31 16:54
Reported
2024-07-31 16:56
Platform
win10v2004-20240730-en
Max time kernel
149s
Max time network
151s
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-built.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
Network
| Country | Destination | Domain | Proto |
| US | 147.185.221.20:18563 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| 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 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 20.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 147.185.221.20:9835 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 147.185.221.20:18563 | tcp | |
| US | 147.185.221.20:9835 | tcp | |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
memory/2164-0-0x00007FFE9E7B3000-0x00007FFE9E7B5000-memory.dmp
memory/2164-1-0x0000000000840000-0x0000000000B64000-memory.dmp
memory/2164-2-0x00007FFE9E7B0000-0x00007FFE9F271000-memory.dmp
memory/2164-3-0x000000001C260000-0x000000001C2B0000-memory.dmp
memory/2164-4-0x000000001C370000-0x000000001C422000-memory.dmp
memory/2164-5-0x000000001C230000-0x000000001C242000-memory.dmp
memory/2164-6-0x000000001C2F0000-0x000000001C32C000-memory.dmp
memory/2164-7-0x000000001CF70000-0x000000001D119000-memory.dmp
memory/2164-9-0x00007FFE9E7B3000-0x00007FFE9E7B5000-memory.dmp
memory/2164-8-0x000000001CF70000-0x000000001D119000-memory.dmp
memory/2164-10-0x00007FFE9E7B0000-0x00007FFE9F271000-memory.dmp