Analysis Overview
SHA256
64207a7e81e788dd1044a8fa6d6a4f87757cdd870af520a2e44576ac21a6e746
Threat Level: Known bad
The file Synapse X.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar payload
Quasar RAT
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious use of FindShellTrayWindow
Uses Task Scheduler COM API
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-03 19:34
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
2024-11-03 19:34
Reported
2024-11-03 19:37
Platform
win10ltsc2021-20241023-en
Max time kernel
97s
Max time network
141s
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\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: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Synapse X.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:\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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3480 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\Synapse X.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3480 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\Synapse X.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3480 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\Synapse X.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 3480 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\Synapse X.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 3040 wrote to memory of 4140 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3040 wrote to memory of 4140 | 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\Synapse X.exe
"C:\Users\Admin\AppData\Local\Temp\Synapse X.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 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 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cxcs.microsoft.net | udp |
| GB | 2.18.27.76:443 | www.bing.com | tcp |
| GB | 23.62.195.195:443 | cxcs.microsoft.net | tcp |
| US | 8.8.8.8:53 | 76.27.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.195.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fd.api.iris.microsoft.com | udp |
| NL | 20.103.156.88:443 | fd.api.iris.microsoft.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
Files
memory/3480-0-0x00007FFFA5893000-0x00007FFFA5895000-memory.dmp
memory/3480-1-0x0000000000A50000-0x0000000000D74000-memory.dmp
memory/3480-2-0x00007FFFA5890000-0x00007FFFA6352000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | e78c57ec9112a2860d4c07e1535452c6 |
| SHA1 | cfb8f58daaa9ae932b2e55c04eb887210cbf0a41 |
| SHA256 | 64207a7e81e788dd1044a8fa6d6a4f87757cdd870af520a2e44576ac21a6e746 |
| SHA512 | 50597692c65f476d3f96d43fc97813c2747cacccd542eaf82cb736827ba02fb291e905b9a7410f891eee394f2252f37aceaf26fbc8dcef0ebdd21fbe37fcaf93 |
memory/3040-6-0x00007FFFA5890000-0x00007FFFA6352000-memory.dmp
memory/3480-5-0x00007FFFA5890000-0x00007FFFA6352000-memory.dmp
memory/3040-7-0x00007FFFA5890000-0x00007FFFA6352000-memory.dmp
memory/3040-8-0x000000001C4B0000-0x000000001C500000-memory.dmp
memory/3040-9-0x000000001C5C0000-0x000000001C672000-memory.dmp
memory/3040-13-0x000000001C560000-0x000000001C59C000-memory.dmp
memory/3040-12-0x000000001C500000-0x000000001C512000-memory.dmp
memory/3040-14-0x00007FFFA5890000-0x00007FFFA6352000-memory.dmp