Analysis Overview
SHA256
741a3f8b91ad8ef7bf2936bafddb95200b0f3083a6933d1d82c278baaa6ec9c7
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Executes dropped EXE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-12-29 12:46
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 12:46
Reported
2022-12-29 12:48
Platform
win7-20220812-en
Max time kernel
144s
Max time network
149s
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\tmp.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\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\tmp.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 |
Files
memory/456-54-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/456-55-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp
memory/1616-56-0x0000000000000000-mapping.dmp
memory/1496-57-0x0000000000000000-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/1496-60-0x0000000000CE0000-0x0000000000D64000-memory.dmp
memory/280-62-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-12-29 12:46
Reported
2022-12-29 12:48
Platform
win10v2004-20220812-en
Max time kernel
148s
Max time network
153s
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\tmp.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 4656 wrote to memory of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4656 wrote to memory of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4656 wrote to memory of 2556 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Users\Admin\AppData\Roaming\windows\svchost.exe |
| PID 4656 wrote to memory of 2556 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Users\Admin\AppData\Roaming\windows\svchost.exe |
| PID 2556 wrote to memory of 3724 | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2556 wrote to memory of 3724 | N/A | C:\Users\Admin\AppData\Roaming\windows\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\tmp.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 | 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 | 52.168.117.170:443 | 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 | 193.161.193.99:53370 | flingmodder-53370.portmap.io | 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/4656-132-0x0000000000F60000-0x0000000000FE4000-memory.dmp
memory/4656-133-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/4544-134-0x0000000000000000-mapping.dmp
memory/2556-135-0x0000000000000000-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/4656-138-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/2556-139-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/3724-140-0x0000000000000000-mapping.dmp
memory/2556-141-0x000000001C340000-0x000000001C390000-memory.dmp
memory/2556-142-0x000000001E110000-0x000000001E1C2000-memory.dmp
memory/2556-143-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp