Analysis Overview
SHA256
1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616
Threat Level: Known bad
The file svchost.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Executes dropped EXE
Loads dropped DLL
Looks up external IP address via web service
Drops file in System32 directory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-17 17:09
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-17 17:09
Reported
2023-01-17 17:11
Platform
win7-20221111-en
Max time kernel
141s
Max time network
148s
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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\SubDir | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
| File created | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Windows\SysWOW64\SubDir\svchost.exe | 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /rl HIGHEST /f
C:\Windows\SysWOW64\SubDir\svchost.exe
"C:\Windows\SysWOW64\SubDir\svchost.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | ip-api.com | udp |
| N/A | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 8.8.8.8:53 | microsoftstolewindows.duckdns.org | udp |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
| N/A | 192.168.1.52:9896 | tcp | |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 8.8.8.8:53 | microsoftstolewindows.duckdns.org | udp |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
| N/A | 192.168.1.52:9896 | tcp | |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 8.8.8.8:53 | microsoftstolewindows.duckdns.org | udp |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
Files
memory/1264-54-0x0000000000CF0000-0x0000000000D4E000-memory.dmp
memory/1264-55-0x0000000075A31000-0x0000000075A33000-memory.dmp
memory/584-56-0x0000000000000000-mapping.dmp
\Windows\SysWOW64\SubDir\svchost.exe
| MD5 | 99a2e914bbf4c8410c8c57bf24901919 |
| SHA1 | 8af5cc6ebba0bd365fa8accd92610c71380d93f7 |
| SHA256 | 1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616 |
| SHA512 | f3b667faecf82c2b0528be0febcb9d2c21f54725fc2b9be03616c8398d849664571f04dda5364af6dc63d3351f51f5906f9f31fcec8e4b99ea18189d55d824cc |
memory/540-58-0x0000000000000000-mapping.dmp
C:\Windows\SysWOW64\SubDir\svchost.exe
| MD5 | 99a2e914bbf4c8410c8c57bf24901919 |
| SHA1 | 8af5cc6ebba0bd365fa8accd92610c71380d93f7 |
| SHA256 | 1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616 |
| SHA512 | f3b667faecf82c2b0528be0febcb9d2c21f54725fc2b9be03616c8398d849664571f04dda5364af6dc63d3351f51f5906f9f31fcec8e4b99ea18189d55d824cc |
C:\Windows\SysWOW64\SubDir\svchost.exe
| MD5 | 99a2e914bbf4c8410c8c57bf24901919 |
| SHA1 | 8af5cc6ebba0bd365fa8accd92610c71380d93f7 |
| SHA256 | 1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616 |
| SHA512 | f3b667faecf82c2b0528be0febcb9d2c21f54725fc2b9be03616c8398d849664571f04dda5364af6dc63d3351f51f5906f9f31fcec8e4b99ea18189d55d824cc |
memory/540-61-0x00000000012A0000-0x00000000012FE000-memory.dmp
memory/1728-63-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-17 17:09
Reported
2023-01-17 17:11
Platform
win10v2004-20220812-en
Max time kernel
133s
Max time network
152s
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:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\SubDir\svchost.exe | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\SubDir | C:\Windows\SysWOW64\SubDir\svchost.exe | 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /rl HIGHEST /f
C:\Windows\SysWOW64\SubDir\svchost.exe
"C:\Windows\SysWOW64\SubDir\svchost.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | ip-api.com | udp |
| N/A | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 8.8.8.8:53 | microsoftstolewindows.duckdns.org | udp |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
| N/A | 13.69.239.74:443 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 8.247.211.254:80 | tcp | |
| N/A | 8.247.211.254:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 192.168.1.52:9896 | tcp | |
| N/A | 8.247.211.254:80 | tcp | |
| N/A | 8.247.211.254:80 | tcp | |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
| N/A | 192.168.1.52:9896 | tcp | |
| N/A | 188.119.45.143:9896 | tcp | |
| N/A | 8.8.8.8:53 | microsoftstolewindows.duckdns.org | udp |
| N/A | 212.154.86.214:9896 | microsoftstolewindows.duckdns.org | tcp |
Files
memory/1684-132-0x00000000004D0000-0x000000000052E000-memory.dmp
memory/1684-133-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/1684-134-0x0000000005600000-0x0000000005692000-memory.dmp
memory/1684-135-0x00000000056A0000-0x0000000005706000-memory.dmp
memory/1684-136-0x0000000005B40000-0x0000000005B52000-memory.dmp
memory/1684-137-0x0000000006920000-0x000000000695C000-memory.dmp
memory/4892-138-0x0000000000000000-mapping.dmp
memory/5024-139-0x0000000000000000-mapping.dmp
C:\Windows\SysWOW64\SubDir\svchost.exe
| MD5 | 99a2e914bbf4c8410c8c57bf24901919 |
| SHA1 | 8af5cc6ebba0bd365fa8accd92610c71380d93f7 |
| SHA256 | 1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616 |
| SHA512 | f3b667faecf82c2b0528be0febcb9d2c21f54725fc2b9be03616c8398d849664571f04dda5364af6dc63d3351f51f5906f9f31fcec8e4b99ea18189d55d824cc |
C:\Windows\SysWOW64\SubDir\svchost.exe
| MD5 | 99a2e914bbf4c8410c8c57bf24901919 |
| SHA1 | 8af5cc6ebba0bd365fa8accd92610c71380d93f7 |
| SHA256 | 1fc3469378a92b852065e463b99e5b0cab8d8ba9d2fde12c05baa1454673b616 |
| SHA512 | f3b667faecf82c2b0528be0febcb9d2c21f54725fc2b9be03616c8398d849664571f04dda5364af6dc63d3351f51f5906f9f31fcec8e4b99ea18189d55d824cc |
memory/1476-142-0x0000000000000000-mapping.dmp
memory/5024-143-0x0000000006A50000-0x0000000006A5A000-memory.dmp