Analysis Overview
SHA256
48c104cd33329e1faf768c90d9dbd6dee4e820ee61c647ab1597941cdae5a476
Threat Level: Known bad
The file loldestroyer.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Executes dropped EXE
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-01 05:13
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
2023-12-01 05:13
Reported
2023-12-01 05:16
Platform
win11-20231128-en
Max time kernel
156s
Max time network
167s
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\system32\SubDir\Client.exe | N/A |
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\SubDir | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | N/A |
| File opened for modification | C:\Windows\system32\SubDir\Client.exe | C:\Windows\system32\SubDir\Client.exe | N/A |
| File opened for modification | C:\Windows\system32\SubDir | C:\Windows\system32\SubDir\Client.exe | N/A |
| File created | C:\Windows\system32\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | N/A |
| File opened for modification | C:\Windows\system32\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | N/A |
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\loldestroyer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1716 wrote to memory of 5080 | N/A | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1716 wrote to memory of 5080 | N/A | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1716 wrote to memory of 2972 | N/A | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | C:\Windows\system32\SubDir\Client.exe |
| PID 1716 wrote to memory of 2972 | N/A | C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe | C:\Windows\system32\SubDir\Client.exe |
| PID 2972 wrote to memory of 3672 | N/A | C:\Windows\system32\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2972 wrote to memory of 3672 | N/A | C:\Windows\system32\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe
"C:\Users\Admin\AppData\Local\Temp\loldestroyer.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "epic" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\SubDir\Client.exe
"C:\Windows\system32\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "epic" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| US | 13.52.233.241:11792 | 2.tcp.us-cal-1.ngrok.io | tcp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 13.107.21.200:443 | www.bing.com | tcp |
| US | 52.168.117.171:443 | browser.pipe.aria.microsoft.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| NL | 88.221.24.122:443 | r.bing.com | tcp |
| US | 128.116.102.3:80 | roblox.com | tcp |
| US | 128.116.102.3:443 | roblox.com | tcp |
Files
memory/1716-0-0x0000000000690000-0x00000000009B4000-memory.dmp
memory/1716-1-0x00007FFB20680000-0x00007FFB21142000-memory.dmp
memory/1716-2-0x000000001B920000-0x000000001B930000-memory.dmp
C:\Windows\System32\SubDir\Client.exe
| MD5 | fd19dff19426de33ff1b16ea4ba48b55 |
| SHA1 | 45200a4b3f66eca4374e7efe40ae08775b1716b6 |
| SHA256 | 48c104cd33329e1faf768c90d9dbd6dee4e820ee61c647ab1597941cdae5a476 |
| SHA512 | 260a1a3058216e91e687f630d3bdf12cb55e506b2caa53ab7a6518cb1437405e6e00fee10bb5988b40fb84cf714817a68ab81678a36b889a72e9720c770d6241 |
C:\Windows\system32\SubDir\Client.exe
| MD5 | fd19dff19426de33ff1b16ea4ba48b55 |
| SHA1 | 45200a4b3f66eca4374e7efe40ae08775b1716b6 |
| SHA256 | 48c104cd33329e1faf768c90d9dbd6dee4e820ee61c647ab1597941cdae5a476 |
| SHA512 | 260a1a3058216e91e687f630d3bdf12cb55e506b2caa53ab7a6518cb1437405e6e00fee10bb5988b40fb84cf714817a68ab81678a36b889a72e9720c770d6241 |
memory/2972-10-0x00007FFB20680000-0x00007FFB21142000-memory.dmp
memory/1716-9-0x00007FFB20680000-0x00007FFB21142000-memory.dmp
memory/2972-11-0x000000001B340000-0x000000001B350000-memory.dmp
memory/2972-12-0x00000000027A0000-0x00000000027F0000-memory.dmp
memory/2972-13-0x000000001BB00000-0x000000001BBB2000-memory.dmp
memory/2972-14-0x00007FFB20680000-0x00007FFB21142000-memory.dmp
memory/2972-15-0x000000001B340000-0x000000001B350000-memory.dmp
memory/2972-16-0x000000001B2F0000-0x000000001B302000-memory.dmp
memory/2972-17-0x000000001BA80000-0x000000001BABC000-memory.dmp
memory/2972-18-0x000000001C610000-0x000000001C7C3000-memory.dmp
memory/2972-19-0x000000001C610000-0x000000001C7C3000-memory.dmp
memory/2972-20-0x000000001C610000-0x000000001C7C3000-memory.dmp
memory/2972-21-0x000000001C610000-0x000000001C7C3000-memory.dmp
memory/2972-22-0x000000001C610000-0x000000001C7C3000-memory.dmp
memory/2972-23-0x000000001C610000-0x000000001C7C3000-memory.dmp