Analysis Overview
SHA256
741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7
Threat Level: Known bad
The file QuasarAplicativo.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar family
Quasar RAT
Executes dropped EXE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-12-29 09:51
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-29 09:51
Reported
2022-12-29 09:53
Platform
win7-20220901-en
Max time kernel
146s
Max time network
151s
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 |
| 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\windows\svchost.exe | N/A |
Creates scheduled task(s)
| 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\QuasarAplicativo.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe
"C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
"C:\Users\Admin\AppData\Roaming\windows\svchost.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\windows\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | flingmodder-53370.portmap.io | udp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
Files
memory/1468-54-0x0000000001080000-0x0000000001104000-memory.dmp
memory/1468-55-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp
memory/1160-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
| MD5 | bbd0db3230e57aeb7ca23e59aadf0134 |
| SHA1 | fdda0bfd08bbd74557dd878bda12f05368befb7d |
| SHA256 | 741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7 |
| SHA512 | 4393b5dcac40f0b36bf85e50f66ed299a95c298b5c8e4853aae8e5f84ab7d2cb64a989728b21135e2730afaddd60002872e517e8b67b68085f97345ff4a6baf3 |
memory/1544-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
| MD5 | bbd0db3230e57aeb7ca23e59aadf0134 |
| SHA1 | fdda0bfd08bbd74557dd878bda12f05368befb7d |
| SHA256 | 741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7 |
| SHA512 | 4393b5dcac40f0b36bf85e50f66ed299a95c298b5c8e4853aae8e5f84ab7d2cb64a989728b21135e2730afaddd60002872e517e8b67b68085f97345ff4a6baf3 |
memory/1544-60-0x0000000000C40000-0x0000000000CC4000-memory.dmp
memory/1648-62-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-12-29 09:51
Reported
2022-12-29 09:53
Platform
win10v2004-20221111-en
Max time kernel
147s
Max time network
151s
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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | N/A |
Creates scheduled task(s)
| 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\QuasarAplicativo.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2420 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2420 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2420 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe | C:\Users\Admin\AppData\Roaming\windows\svchost.exe |
| PID 2420 wrote to memory of 4996 | N/A | C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe | C:\Users\Admin\AppData\Roaming\windows\svchost.exe |
| PID 4996 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4996 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe
"C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\QuasarAplicativo.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
"C:\Users\Admin\AppData\Roaming\windows\svchost.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\windows\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | flingmodder-53370.portmap.io | udp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | 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 | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
| N/A | 193.161.193.99:53370 | flingmodder-53370.portmap.io | tcp |
Files
memory/2420-132-0x00000000001C0000-0x0000000000244000-memory.dmp
memory/2420-133-0x00007FF84FDF0000-0x00007FF8508B1000-memory.dmp
memory/2216-134-0x0000000000000000-mapping.dmp
memory/4996-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
| MD5 | bbd0db3230e57aeb7ca23e59aadf0134 |
| SHA1 | fdda0bfd08bbd74557dd878bda12f05368befb7d |
| SHA256 | 741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7 |
| SHA512 | 4393b5dcac40f0b36bf85e50f66ed299a95c298b5c8e4853aae8e5f84ab7d2cb64a989728b21135e2730afaddd60002872e517e8b67b68085f97345ff4a6baf3 |
C:\Users\Admin\AppData\Roaming\windows\svchost.exe
| MD5 | bbd0db3230e57aeb7ca23e59aadf0134 |
| SHA1 | fdda0bfd08bbd74557dd878bda12f05368befb7d |
| SHA256 | 741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7 |
| SHA512 | 4393b5dcac40f0b36bf85e50f66ed299a95c298b5c8e4853aae8e5f84ab7d2cb64a989728b21135e2730afaddd60002872e517e8b67b68085f97345ff4a6baf3 |
memory/2420-138-0x00007FF84FDF0000-0x00007FF8508B1000-memory.dmp
memory/4996-139-0x00007FF84FDF0000-0x00007FF8508B1000-memory.dmp
memory/2492-140-0x0000000000000000-mapping.dmp
memory/4996-141-0x000000001B580000-0x000000001B5D0000-memory.dmp
memory/4996-142-0x000000001BEC0000-0x000000001BF72000-memory.dmp
memory/4996-143-0x00007FF84FDF0000-0x00007FF8508B1000-memory.dmp