Analysis Overview
SHA256
36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522
Threat Level: Known bad
The file 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Executes dropped EXE
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-05 01:17
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: behavioral2
Detonation Overview
Submitted
2024-08-05 01:17
Reported
2024-08-05 01:20
Platform
win10v2004-20240802-en
Max time kernel
149s
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\svchost.exe | N/A |
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\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2720 wrote to memory of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2720 wrote to memory of 2264 | N/A | C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2720 wrote to memory of 876 | N/A | C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe |
| PID 2720 wrote to memory of 876 | N/A | C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe |
| PID 876 wrote to memory of 792 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 876 wrote to memory of 792 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe
"C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| CA | 51.222.21.20:4782 | tcp | |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| CA | 51.222.21.20:4782 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| CA | 51.222.21.20:4782 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp |
Files
memory/2720-0-0x00007FFC3A243000-0x00007FFC3A245000-memory.dmp
memory/2720-1-0x0000000000150000-0x0000000000474000-memory.dmp
memory/2720-2-0x00007FFC3A240000-0x00007FFC3AD01000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | 9c682f5b5000cd003e76530706955a72 |
| SHA1 | 1a69da76e05d114a317342dae3e9c7b10f107d43 |
| SHA256 | 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522 |
| SHA512 | 33bd859542e1ae74d8c81427af44022cb91861dc02ee4202505f1e010487d06cb27e1aa83be6af17be4e2d8973289595b2ebe9bdf99a187956662df30b6dc88f |
memory/2720-10-0x00007FFC3A240000-0x00007FFC3AD01000-memory.dmp
memory/876-9-0x00007FFC3A240000-0x00007FFC3AD01000-memory.dmp
memory/876-11-0x000000001E9C0000-0x000000001EA10000-memory.dmp
memory/876-12-0x000000001EAD0000-0x000000001EB82000-memory.dmp
memory/876-13-0x00007FFC3A240000-0x00007FFC3AD01000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-05 01:17
Reported
2024-08-05 01:20
Platform
win7-20240704-en
Max time kernel
126s
Max time network
136s
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\SubDir\svchost.exe | N/A |
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\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe
"C:\Users\Admin\AppData\Local\Temp\36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp | |
| CA | 51.222.21.20:4782 | tcp |
Files
memory/2636-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp
memory/2636-1-0x00000000001C0000-0x00000000004E4000-memory.dmp
memory/2636-2-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | 9c682f5b5000cd003e76530706955a72 |
| SHA1 | 1a69da76e05d114a317342dae3e9c7b10f107d43 |
| SHA256 | 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522 |
| SHA512 | 33bd859542e1ae74d8c81427af44022cb91861dc02ee4202505f1e010487d06cb27e1aa83be6af17be4e2d8973289595b2ebe9bdf99a187956662df30b6dc88f |
memory/3068-8-0x0000000000820000-0x0000000000B44000-memory.dmp
memory/2636-9-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp
memory/3068-11-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp
memory/3068-10-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp
memory/3068-12-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp