Analysis Overview
SHA256
72e98b7008bc9306db84caf8577e00fa8edca0e2fdd473b234b490b16f87ae82
Threat Level: Known bad
The file solara.rar was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Executes dropped EXE
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-02 23:37
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
2024-08-02 23:37
Reported
2024-08-02 23:37
Platform
win7-20240704-en
Max time kernel
6s
Max time network
7s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| 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\solara.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1512 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Windows\system32\schtasks.exe |
| PID 1512 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Windows\system32\schtasks.exe |
| PID 1512 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Windows\system32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\solara.exe
"C:\Users\Admin\AppData\Local\Temp\solara.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "REC" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe" /rl HIGHEST /f
Network
Files
memory/1512-0-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp
memory/1512-1-0x00000000012D0000-0x00000000015F4000-memory.dmp
memory/1512-2-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-02 23:37
Reported
2024-08-02 23:37
Platform
win10v2004-20240802-en
Max time kernel
17s
Max time network
22s
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\NovaRecoil.exe | N/A |
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\solara.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 396 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 396 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 396 wrote to memory of 1124 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe |
| PID 396 wrote to memory of 1124 | N/A | C:\Users\Admin\AppData\Local\Temp\solara.exe | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe |
| PID 1124 wrote to memory of 3728 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1124 wrote to memory of 3728 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\solara.exe
"C:\Users\Admin\AppData\Local\Temp\solara.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "REC" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe
"C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "REC" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe" /rl HIGHEST /f
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 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| N/A | 192.168.86.42:4782 | tcp |
Files
memory/396-0-0x00007FFB449C3000-0x00007FFB449C5000-memory.dmp
memory/396-1-0x0000000000080000-0x00000000003A4000-memory.dmp
memory/396-2-0x00007FFB449C0000-0x00007FFB45481000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\NovaRecoil.exe
| MD5 | 1bdf6c7fda1c36dab1558b37aeb0d631 |
| SHA1 | 9f7dc44275ee93dd42a8bffba2fc905c5ea56c24 |
| SHA256 | b7871caa008e2b9b56b23b6d9623064e6f773b58e5508b41001d125e29d71956 |
| SHA512 | 52ddf7ee9b33cbd0fbd0f753cabb32763f2789a42abe995420f6a5d79aa9f841bb3707d088c29c5a9908f7e5c008f69e6f1971d36b2e0baedbe7ab2ac0cce0ce |
memory/1124-9-0x00007FFB449C0000-0x00007FFB45481000-memory.dmp
memory/396-10-0x00007FFB449C0000-0x00007FFB45481000-memory.dmp
memory/1124-11-0x00007FFB449C0000-0x00007FFB45481000-memory.dmp
memory/1124-12-0x000000001BD30000-0x000000001BD80000-memory.dmp
memory/1124-13-0x000000001BE40000-0x000000001BEF2000-memory.dmp