Analysis Overview
SHA256
6f890fdcdb5267b92b3b793ff8b17484bc1a6a4107a68f2b4282d386225b63f1
Threat Level: Known bad
The file l1yprr.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
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-19 20:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-19 20:22
Reported
2023-01-19 20:23
Platform
win10-20220812-en
Max time kernel
27s
Max time network
34s
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 2500 set thread context of 4896 | 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 |
| 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\l1yprr.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 | 13.69.109.131:443 | tcp |
Files
memory/2500-122-0x000001F134840000-0x000001F134862000-memory.dmp
memory/2500-127-0x000001F1349F0000-0x000001F134A66000-memory.dmp
memory/2500-130-0x000001F134C20000-0x000001F135000000-memory.dmp
memory/2500-131-0x000001F134A70000-0x000001F134B0C000-memory.dmp
memory/4896-138-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4896-139-0x000000000047E77E-mapping.dmp
memory/4896-141-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-142-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-143-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-144-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-145-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-146-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-147-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-148-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-149-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-150-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-152-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-151-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-153-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-154-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-155-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-157-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-156-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-158-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-159-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-160-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-161-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-162-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-163-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-164-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-166-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-167-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-168-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-169-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-170-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-171-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-172-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-173-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-165-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-174-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-175-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-176-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-178-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-177-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-180-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-179-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-181-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-182-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-183-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-184-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-185-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-186-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-187-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-188-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-189-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-190-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-191-0x0000000005D10000-0x000000000620E000-memory.dmp
memory/4896-192-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/4896-193-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-194-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-195-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-196-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-197-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-198-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-199-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-200-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-201-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-202-0x0000000005810000-0x000000000581A000-memory.dmp
memory/4896-203-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-204-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-205-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4932-206-0x0000000000000000-mapping.dmp
memory/4932-207-0x0000000077580000-0x000000007770E000-memory.dmp
memory/4896-225-0x0000000006B20000-0x0000000007126000-memory.dmp
memory/4896-227-0x00000000065E0000-0x0000000006630000-memory.dmp
memory/4896-228-0x0000000006830000-0x00000000068E2000-memory.dmp
memory/4896-256-0x0000000007BE0000-0x0000000007C46000-memory.dmp