Analysis Overview
SHA256
018f75f18b882044109f250f19da654c0b3bd90430b318fcb03348908a189aae
Threat Level: Known bad
The file loadervmp.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Quasar family
Executes dropped EXE
Loads dropped DLL
Looks up external IP address via web service
Unsigned PE
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 07:36
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
2024-06-01 07:36
Reported
2024-06-01 07:41
Platform
win10v2004-20240508-en
Max time kernel
236s
Max time network
287s
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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\SCHTASKS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\loadervmp.exe | N/A |
| Token: SeDebugPrivilege | 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
Processes
C:\Users\Admin\AppData\Local\Temp\loadervmp.exe
"C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\loadervmp.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77loadervmp.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\loadervmp.exe'" /sc onlogon /rl HIGHEST
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.156.26.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | panel-slave.gl.at.ply.gg | udp |
| US | 147.185.221.19:57059 | panel-slave.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | panel-slave.gl.at.ply.gg | udp |
| US | 147.185.221.19:27892 | panel-slave.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | panel-slave.gl.at.ply.gg | udp |
| US | 147.185.221.19:57059 | panel-slave.gl.at.ply.gg | tcp |
Files
memory/4120-0-0x00000000750BE000-0x00000000750BF000-memory.dmp
memory/4120-1-0x00000000005C0000-0x000000000062C000-memory.dmp
memory/4120-2-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/4120-3-0x0000000005050000-0x00000000050E2000-memory.dmp
memory/4120-4-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/4120-5-0x0000000005100000-0x0000000005166000-memory.dmp
memory/4120-6-0x0000000005690000-0x00000000056A2000-memory.dmp
memory/4120-7-0x0000000006280000-0x00000000062BC000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 14f056491baaed04872533c2d9648d46 |
| SHA1 | c48b08d0e9064f2d060f19474bb54cf3c5a25586 |
| SHA256 | 018f75f18b882044109f250f19da654c0b3bd90430b318fcb03348908a189aae |
| SHA512 | c109b1a9cf40049f8958beab9cff112cb326dd719c56f6dedafda4cf3a64d3faae3912f34cbcc1ee203a0316e40b8f7016624f05a1ad6c93bbaa0bdc9dc79b08 |
memory/2832-13-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/2832-14-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/4120-16-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/2832-18-0x0000000006BC0000-0x0000000006BCA000-memory.dmp
memory/2832-19-0x00000000750B0000-0x0000000075860000-memory.dmp
memory/2832-20-0x00000000750B0000-0x0000000075860000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 07:36
Reported
2024-06-01 07:41
Platform
win7-20240221-en
Max time kernel
235s
Max time network
288s
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\Client.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loadervmp.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SCHTASKS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\loadervmp.exe | N/A |
| Token: SeDebugPrivilege | 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
Processes
C:\Users\Admin\AppData\Local\Temp\loadervmp.exe
"C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\loadervmp.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77loadervmp.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\loadervmp.exe'" /sc onlogon /rl HIGHEST
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | panel-slave.gl.at.ply.gg | udp |
| US | 147.185.221.19:57059 | panel-slave.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 8.8.8.8:53 | panel-slave.gl.at.ply.gg | udp |
| US | 147.185.221.19:27892 | panel-slave.gl.at.ply.gg | tcp |
| US | 147.185.221.19:57059 | panel-slave.gl.at.ply.gg | tcp |
Files
memory/2228-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/2228-1-0x0000000000210000-0x000000000027C000-memory.dmp
memory/2228-2-0x0000000074B00000-0x00000000751EE000-memory.dmp
\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 14f056491baaed04872533c2d9648d46 |
| SHA1 | c48b08d0e9064f2d060f19474bb54cf3c5a25586 |
| SHA256 | 018f75f18b882044109f250f19da654c0b3bd90430b318fcb03348908a189aae |
| SHA512 | c109b1a9cf40049f8958beab9cff112cb326dd719c56f6dedafda4cf3a64d3faae3912f34cbcc1ee203a0316e40b8f7016624f05a1ad6c93bbaa0bdc9dc79b08 |
memory/2632-11-0x0000000074B00000-0x00000000751EE000-memory.dmp
memory/2632-10-0x00000000008B0000-0x000000000091C000-memory.dmp
memory/2632-12-0x0000000074B00000-0x00000000751EE000-memory.dmp
memory/2228-14-0x0000000074B00000-0x00000000751EE000-memory.dmp
memory/2632-15-0x0000000074B00000-0x00000000751EE000-memory.dmp
memory/2632-16-0x0000000074B00000-0x00000000751EE000-memory.dmp