Analysis Overview
SHA256
418bca7ff00a6c66b907d677b1c476962d0ae01fc1f69f235aa1394d7809750c
Threat Level: Known bad
The file Fps unlocker.7z was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Executes dropped EXE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SendNotifyMessage
Scheduled Task/Job: Scheduled Task
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 00:01
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 00:01
Reported
2024-11-04 00:02
Platform
win10ltsc2021-20241023-en
Max time kernel
62s
Max time network
76s
Command Line
Signatures
Quasar RAT
Quasar family
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\Desktop\Fps unlocker.exe | N/A |
| 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: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Fps unlocker.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:\Program Files\7-Zip\7zFM.exe | N/A |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| 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 |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2224 wrote to memory of 5016 | N/A | C:\Users\Admin\Desktop\Fps unlocker.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2224 wrote to memory of 5016 | N/A | C:\Users\Admin\Desktop\Fps unlocker.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2224 wrote to memory of 2904 | N/A | C:\Users\Admin\Desktop\Fps unlocker.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 2224 wrote to memory of 2904 | N/A | C:\Users\Admin\Desktop\Fps unlocker.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 2904 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2904 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Fps unlocker.7z"
C:\Users\Admin\Desktop\Fps unlocker.exe
"C:\Users\Admin\Desktop\Fps unlocker.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "java updater" /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 "java updater" /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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkappexec.microsoft.com | udp |
| GB | 51.11.108.188:443 | checkappexec.microsoft.com | tcp |
| US | 8.8.8.8:53 | 188.108.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | Inversin-43597.portmap.host | udp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fd.api.iris.microsoft.com | udp |
| IE | 20.223.36.55:443 | fd.api.iris.microsoft.com | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
Files
C:\Users\Admin\Desktop\Fps unlocker.exe
| MD5 | bf656c2e5e1e942c41fa918132faa7ab |
| SHA1 | 1c2ddd815378e54db9e21dd2e61d89067c94da4f |
| SHA256 | b70c5aea64d75fc98a82b3c88cfecc6c2856f2a4987f4c1212c3fcf866ec9c9f |
| SHA512 | 54bef34ab722d69f1d3b7f5316f1fbc10fc629bb134f70eecb6a368330b7b73305ef5fa0b9e83c104e6e679ccd1d6e7f5a20caf4f39e6b03d4940b4ed9540b7d |
memory/2224-4-0x00007FFFC2A73000-0x00007FFFC2A75000-memory.dmp
memory/2224-5-0x00000000005F0000-0x0000000000914000-memory.dmp
memory/2224-6-0x00007FFFC2A70000-0x00007FFFC3532000-memory.dmp
memory/2224-9-0x00007FFFC2A70000-0x00007FFFC3532000-memory.dmp
memory/2904-10-0x000000001C7E0000-0x000000001C830000-memory.dmp
memory/2904-11-0x000000001C8F0000-0x000000001C9A2000-memory.dmp
memory/2904-14-0x000000001C830000-0x000000001C842000-memory.dmp
memory/2904-15-0x000000001C890000-0x000000001C8CC000-memory.dmp