Analysis Overview
SHA256
64207a7e81e788dd1044a8fa6d6a4f87757cdd870af520a2e44576ac21a6e746
Threat Level: Known bad
The file SynapseX.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-03 19:27
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 19:27
Reported
2024-11-03 19:30
Platform
win7-20240903-en
Max time kernel
145s
Max time network
147s
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 |
| 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\SynapseX.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 |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\SynapseX.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseX.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 | Inversin-43597.portmap.host | udp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
Files
memory/2384-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp
memory/2384-1-0x00000000012C0000-0x00000000015E4000-memory.dmp
memory/2384-2-0x000007FEF5920000-0x000007FEF630C000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | e78c57ec9112a2860d4c07e1535452c6 |
| SHA1 | cfb8f58daaa9ae932b2e55c04eb887210cbf0a41 |
| SHA256 | 64207a7e81e788dd1044a8fa6d6a4f87757cdd870af520a2e44576ac21a6e746 |
| SHA512 | 50597692c65f476d3f96d43fc97813c2747cacccd542eaf82cb736827ba02fb291e905b9a7410f891eee394f2252f37aceaf26fbc8dcef0ebdd21fbe37fcaf93 |
memory/2496-9-0x000007FEF5920000-0x000007FEF630C000-memory.dmp
memory/2496-10-0x000007FEF5920000-0x000007FEF630C000-memory.dmp
memory/2496-8-0x0000000000360000-0x0000000000684000-memory.dmp
memory/2384-7-0x000007FEF5920000-0x000007FEF630C000-memory.dmp
memory/2496-11-0x000007FEF5920000-0x000007FEF630C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-03 19:27
Reported
2024-11-03 19:31
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
154s
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\SynapseX.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 |
| 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 1128 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\SynapseX.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1128 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\SynapseX.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1128 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\SynapseX.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 1128 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\SynapseX.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 4592 wrote to memory of 4104 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4592 wrote to memory of 4104 | 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\SynapseX.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseX.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 |
| US | 8.8.8.8:53 | g.bing.com | udp |
| DE | 193.161.193.99:43597 | Inversin-43597.portmap.host | tcp |
| US | 150.171.28.10:443 | g.bing.com | 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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.173.189.20.in-addr.arpa | udp |
Files
memory/1128-0-0x00007FFB253C3000-0x00007FFB253C5000-memory.dmp
memory/1128-1-0x00000000009F0000-0x0000000000D14000-memory.dmp
memory/1128-2-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | e78c57ec9112a2860d4c07e1535452c6 |
| SHA1 | cfb8f58daaa9ae932b2e55c04eb887210cbf0a41 |
| SHA256 | 64207a7e81e788dd1044a8fa6d6a4f87757cdd870af520a2e44576ac21a6e746 |
| SHA512 | 50597692c65f476d3f96d43fc97813c2747cacccd542eaf82cb736827ba02fb291e905b9a7410f891eee394f2252f37aceaf26fbc8dcef0ebdd21fbe37fcaf93 |
memory/4592-8-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp
memory/1128-9-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp
memory/4592-10-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp
memory/4592-11-0x000000001C1C0000-0x000000001C210000-memory.dmp
memory/4592-12-0x000000001C2D0000-0x000000001C382000-memory.dmp
memory/4592-15-0x000000001C1A0000-0x000000001C1B2000-memory.dmp
memory/4592-16-0x000000001C250000-0x000000001C28C000-memory.dmp
memory/4592-17-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp
memory/4592-18-0x00007FFB253C0000-0x00007FFB25E81000-memory.dmp