Analysis Overview
SHA256
2f2ae02f061bc49648fb8d0941b94dc50e22d7701c126eb68c4575e37d5f4f60
Threat Level: Known bad
The file menu test.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar payload
Quasar RAT
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-05 05:21
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
2024-08-05 05:21
Reported
2024-08-05 05:51
Platform
win10v2004-20240802-en
Max time kernel
1794s
Max time network
1799s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\menu test.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4652 wrote to memory of 856 | N/A | C:\Users\Admin\AppData\Local\Temp\menu test.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4652 wrote to memory of 856 | N/A | C:\Users\Admin\AppData\Local\Temp\menu test.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4652 wrote to memory of 5092 | N/A | C:\Users\Admin\AppData\Local\Temp\menu test.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 4652 wrote to memory of 5092 | N/A | C:\Users\Admin\AppData\Local\Temp\menu test.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 5092 wrote to memory of 2412 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 5092 wrote to memory of 2412 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\menu test.exe
"C:\Users\Admin\AppData\Local\Temp\menu test.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Steam Corperation" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Steam Corperation" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp | |
| N/A | 192.168.1.150:4782 | tcp |
Files
memory/4652-0-0x00007FF9B7683000-0x00007FF9B7685000-memory.dmp
memory/4652-1-0x0000000000BA0000-0x0000000000EC4000-memory.dmp
memory/4652-2-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | c86abc64d7110ba0022929f533144f6a |
| SHA1 | d0119c0348c382b68a328e16a65466373009bf98 |
| SHA256 | 2f2ae02f061bc49648fb8d0941b94dc50e22d7701c126eb68c4575e37d5f4f60 |
| SHA512 | 9c1a94f219d87ad42573eefee151425d41b4ed3f56e18cdeaad0887f6f03c18a121774f987f1dfe11cdcb67e016e91ac4c86d3355d044309bdcbc29c747f107d |
memory/5092-10-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp
memory/4652-9-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp
memory/5092-11-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp
memory/5092-12-0x000000001C530000-0x000000001C580000-memory.dmp
memory/5092-13-0x000000001C640000-0x000000001C6F2000-memory.dmp
memory/5092-14-0x00007FF9B7680000-0x00007FF9B8141000-memory.dmp