Analysis Overview
SHA256
36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522
Threat Level: Known bad
The file 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522 was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar family
Quasar RAT
Executes dropped EXE
Unsigned PE
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-31 00:23
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
2024-07-31 00:22
Reported
2024-07-31 00:25
Platform
win10v2004-20240730-en
Max time kernel
95s
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 |
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 |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| CA | 51.222.21.20:4782 | 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 | 20.21.222.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4724-0-0x00007FFA58393000-0x00007FFA58395000-memory.dmp
memory/4724-1-0x00000000005D0000-0x00000000008F4000-memory.dmp
memory/4724-2-0x00007FFA58390000-0x00007FFA58E51000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | 9c682f5b5000cd003e76530706955a72 |
| SHA1 | 1a69da76e05d114a317342dae3e9c7b10f107d43 |
| SHA256 | 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522 |
| SHA512 | 33bd859542e1ae74d8c81427af44022cb91861dc02ee4202505f1e010487d06cb27e1aa83be6af17be4e2d8973289595b2ebe9bdf99a187956662df30b6dc88f |
memory/4724-9-0x00007FFA58390000-0x00007FFA58E51000-memory.dmp
memory/2672-10-0x00007FFA58390000-0x00007FFA58E51000-memory.dmp
memory/2672-11-0x000000001D500000-0x000000001D550000-memory.dmp
memory/2672-12-0x000000001D610000-0x000000001D6C2000-memory.dmp
memory/2672-13-0x000000001BDE0000-0x000000001BDF2000-memory.dmp
memory/2672-14-0x000000001D590000-0x000000001D5CC000-memory.dmp
memory/2672-15-0x00007FFA58390000-0x00007FFA58E51000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-31 00:22
Reported
2024-07-31 00:25
Platform
win11-20240730-en
Max time kernel
91s
Max time network
133s
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
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 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
Files
memory/2820-0-0x00007FFCEB9B3000-0x00007FFCEB9B5000-memory.dmp
memory/2820-1-0x0000000000CD0000-0x0000000000FF4000-memory.dmp
memory/2820-2-0x00007FFCEB9B0000-0x00007FFCEC472000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | 9c682f5b5000cd003e76530706955a72 |
| SHA1 | 1a69da76e05d114a317342dae3e9c7b10f107d43 |
| SHA256 | 36e6a3dd4bfc86c4e707f43cd9515707442d6c424b7661cb41766cfdca322522 |
| SHA512 | 33bd859542e1ae74d8c81427af44022cb91861dc02ee4202505f1e010487d06cb27e1aa83be6af17be4e2d8973289595b2ebe9bdf99a187956662df30b6dc88f |
memory/3916-9-0x00007FFCEB9B0000-0x00007FFCEC472000-memory.dmp
memory/2820-10-0x00007FFCEB9B0000-0x00007FFCEC472000-memory.dmp
memory/3916-11-0x000000001CC00000-0x000000001CC50000-memory.dmp
memory/3916-12-0x000000001CD10000-0x000000001CDC2000-memory.dmp
memory/3916-13-0x000000001CC70000-0x000000001CC82000-memory.dmp
memory/3916-14-0x000000001CCD0000-0x000000001CD0C000-memory.dmp
memory/3916-15-0x00007FFCEB9B0000-0x00007FFCEC472000-memory.dmp