Analysis Overview
SHA256
6c1e62385d660ca43e024d461154fbb4805e429cdf7850d19510d7f69533739e
Threat Level: Known bad
The file ss.ps1 was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-20 04:33
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-20 04:33
Reported
2023-01-20 04:35
Platform
win7-20221111-en
Max time kernel
27s
Max time network
30s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ss.ps1
Network
Files
memory/840-54-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp
memory/840-55-0x000007FEF3170000-0x000007FEF3B93000-memory.dmp
memory/840-56-0x000007FEF2610000-0x000007FEF316D000-memory.dmp
memory/840-57-0x0000000002724000-0x0000000002727000-memory.dmp
memory/840-58-0x000000000272B000-0x000000000274A000-memory.dmp
memory/840-59-0x0000000002724000-0x0000000002727000-memory.dmp
memory/840-60-0x000000000272B000-0x000000000274A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-20 04:33
Reported
2023-01-20 04:35
Platform
win10v2004-20220901-en
Max time kernel
91s
Max time network
152s
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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4032 set thread context of 3532 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ss.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | ghcc.duckdns.org | udp |
| N/A | 95.216.102.32:4782 | ghcc.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | tools.keycdn.com | udp |
| N/A | 185.172.148.96:443 | tools.keycdn.com | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 64.185.227.155:443 | api.ipify.org | tcp |
| N/A | 20.50.80.209:443 | tcp | |
| N/A | 2.18.109.224:443 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp |
Files
memory/4032-132-0x0000029F425D0000-0x0000029F425F2000-memory.dmp
memory/4032-133-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp
memory/3532-135-0x000000000047E74E-mapping.dmp
memory/4032-136-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp
memory/3532-137-0x0000000000520000-0x00000000005A4000-memory.dmp
memory/3532-138-0x0000000004FB0000-0x0000000005554000-memory.dmp
memory/3532-139-0x0000000004AA0000-0x0000000004B32000-memory.dmp
memory/3532-140-0x0000000004A80000-0x0000000004A8A000-memory.dmp
memory/220-141-0x0000000000000000-mapping.dmp
memory/3532-142-0x0000000006080000-0x0000000006698000-memory.dmp
memory/3532-143-0x0000000005B30000-0x0000000005B80000-memory.dmp
memory/3532-144-0x0000000005DA0000-0x0000000005E52000-memory.dmp
memory/3532-145-0x0000000006F90000-0x0000000006FF6000-memory.dmp