Analysis Overview
SHA256
17f1c062b320bd3c8b938a07f9518affaf837fc253fe20c624187faa114938ae
Threat Level: Known bad
The file RyansProject.rar was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Quasar family
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-11 22:50
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
2024-04-11 22:50
Reported
2024-04-11 23:08
Platform
win7-20240215-en
Max time kernel
1034s
Max time network
1044s
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 |
| 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 |
Creates scheduled task(s)
| 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 behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\RyansProject.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:\Windows\system32\NOTEPAD.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
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\RyansProject.exe
"C:\Users\Admin\AppData\Local\Temp\RyansProject.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /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 "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp |
Files
memory/2204-1-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp
memory/2204-0-0x00000000000A0000-0x00000000003C4000-memory.dmp
memory/2204-2-0x000000001AF70000-0x000000001AFF0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 20edba711349a03803c2f96bbbe18b39 |
| SHA1 | 675607f2c3510c35ea0784c1051e3a96c3b44416 |
| SHA256 | 8e3077a2601f2727d79389b445d9e90336a0055c0f5a7ce330cbd4006876f1f9 |
| SHA512 | 85130c87a19dc29bb6b6c26aea68f7173bf0df69c2a4b80e90bc2e14c19acdb1457f680e69d75c916fe7d546c470da5bb38b970843b33feda74847f5a675ee4e |
memory/2204-9-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp
memory/2948-8-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp
memory/2948-10-0x0000000001320000-0x0000000001644000-memory.dmp
memory/2948-11-0x0000000000BD0000-0x0000000000C50000-memory.dmp
memory/2948-12-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp
memory/2948-13-0x0000000000BD0000-0x0000000000C50000-memory.dmp
memory/2348-16-0x0000000000400000-0x0000000000401000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-11 22:50
Reported
2024-04-11 23:08
Platform
win10v2004-20240226-en
Max time kernel
1034s
Max time network
1051s
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 |
Creates scheduled task(s)
| 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\RyansProject.exe | N/A |
| Token: SeDebugPrivilege | 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 4824 wrote to memory of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\RyansProject.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4824 wrote to memory of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\RyansProject.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4824 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\RyansProject.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 4824 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\RyansProject.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 1528 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1528 wrote to memory of 3716 | 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\RyansProject.exe
"C:\Users\Admin\AppData\Local\Temp\RyansProject.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /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 "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.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 |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| NL | 52.111.243.31:443 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.17.2.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 208.14.97.104.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp | |
| N/A | 192.168.1.226:4782 | tcp |
Files
memory/4824-0-0x0000000000470000-0x0000000000794000-memory.dmp
memory/4824-1-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp
memory/4824-2-0x000000001B500000-0x000000001B510000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 20edba711349a03803c2f96bbbe18b39 |
| SHA1 | 675607f2c3510c35ea0784c1051e3a96c3b44416 |
| SHA256 | 8e3077a2601f2727d79389b445d9e90336a0055c0f5a7ce330cbd4006876f1f9 |
| SHA512 | 85130c87a19dc29bb6b6c26aea68f7173bf0df69c2a4b80e90bc2e14c19acdb1457f680e69d75c916fe7d546c470da5bb38b970843b33feda74847f5a675ee4e |
memory/1528-9-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp
memory/4824-10-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp
memory/1528-11-0x00000000032D0000-0x00000000032E0000-memory.dmp
memory/1528-12-0x000000001BC20000-0x000000001BC70000-memory.dmp
memory/1528-13-0x000000001DDE0000-0x000000001DE92000-memory.dmp
memory/1528-14-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp
memory/1528-15-0x00000000032D0000-0x00000000032E0000-memory.dmp