Analysis Overview
SHA256
39f626850f3dbd66ff5b75f99cd531cf74e4418338ddd45d0ae20fb7ceda2b6f
Threat Level: Known bad
The file asdasd.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-18 14:29
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
2024-04-18 14:29
Reported
2024-04-18 14:33
Platform
win10v2004-20240412-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 |
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
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\asdasd.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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4452 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\asdasd.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4452 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\asdasd.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4452 wrote to memory of 4392 | N/A | C:\Users\Admin\AppData\Local\Temp\asdasd.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 4452 wrote to memory of 4392 | N/A | C:\Users\Admin\AppData\Local\Temp\asdasd.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 4392 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4392 wrote to memory of 2132 | 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\asdasd.exe
"C:\Users\Admin\AppData\Local\Temp\asdasd.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "python" /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 "python" /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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 156.33.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| DE | 193.161.193.99:1194 | tcp | |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| N/A | 192.168.254.152:1194 | tcp | |
| DE | 193.161.193.99:1194 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 192.168.254.152:1194 | tcp | |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| DE | 193.161.193.99:1194 | tcp | |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| N/A | 192.168.254.152:1194 | tcp | |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| DE | 193.161.193.99:1194 | tcp | |
| N/A | 192.168.254.152:1194 | tcp | |
| DE | 193.161.193.99:1194 | tcp | |
| N/A | 192.168.254.152:1194 | tcp | |
| DE | 193.161.193.99:1194 | tcp | |
| N/A | 192.168.254.152:1194 | tcp |
Files
memory/4452-0-0x0000000000A50000-0x0000000000D74000-memory.dmp
memory/4452-1-0x00007FFA27F50000-0x00007FFA28A11000-memory.dmp
memory/4452-2-0x0000000002F40000-0x0000000002F50000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 30fdc0a0d22cca3c0b971c7928ca0e82 |
| SHA1 | 517211383e5022bec91b521955832a69417f4042 |
| SHA256 | 39f626850f3dbd66ff5b75f99cd531cf74e4418338ddd45d0ae20fb7ceda2b6f |
| SHA512 | dcd9ae5e6ce11c93826b2d7b4d9acd201ac53cd41f20d815b308d2f3fd938b3774ea6d64f9f13ce159238ddbead7e8e126d514fe85af0da11d416de94415b404 |
memory/4452-9-0x00007FFA27F50000-0x00007FFA28A11000-memory.dmp
memory/4392-10-0x00007FFA27F50000-0x00007FFA28A11000-memory.dmp
memory/4392-11-0x000000001BC00000-0x000000001BC10000-memory.dmp
memory/4392-12-0x000000001C830000-0x000000001C880000-memory.dmp
memory/4392-13-0x000000001C940000-0x000000001C9F2000-memory.dmp
memory/4392-14-0x00007FFA27F50000-0x00007FFA28A11000-memory.dmp