Analysis Overview
SHA256
91f3543e226fa4efa50011f09441cc3d6d49f14a77b38846ba80af8396e4b268
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Checks computer location settings
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-13 17:48
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
2024-12-13 17:48
Reported
2024-12-13 17:51
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
145s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3228 wrote to memory of 1556 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\system32\cmd.exe |
| PID 3228 wrote to memory of 1556 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\system32\cmd.exe |
| PID 1556 wrote to memory of 3748 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\chcp.com |
| PID 1556 wrote to memory of 3748 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\chcp.com |
| PID 1556 wrote to memory of 1952 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 1556 wrote to memory of 1952 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\PING.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LBHuD4As7BaK.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | Waix-40247.portmap.host | udp |
| DE | 193.161.193.99:40247 | Waix-40247.portmap.host | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/3228-0-0x00007FFFA5FC3000-0x00007FFFA5FC5000-memory.dmp
memory/3228-1-0x00000000003D0000-0x00000000006F4000-memory.dmp
memory/3228-2-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp
memory/3228-3-0x000000001BDF0000-0x000000001BE40000-memory.dmp
memory/3228-4-0x000000001BF00000-0x000000001BFB2000-memory.dmp
memory/3228-7-0x000000001BE40000-0x000000001BE52000-memory.dmp
memory/3228-8-0x000000001BEA0000-0x000000001BEDC000-memory.dmp
memory/3228-9-0x00007FFFA5FC3000-0x00007FFFA5FC5000-memory.dmp
memory/3228-10-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp
memory/3228-15-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LBHuD4As7BaK.bat
| MD5 | 40dfdcb8f28b5788a3fde3eacf080925 |
| SHA1 | ca4ad2e5f582d46c61d13ed81bd2bd0c097d04c7 |
| SHA256 | ac43cbae2e16b7d0a623d2c5af0fa4d27a05aa68c5fb29fd1ad693326d170c2c |
| SHA512 | 163a349bd3a6d70f97619de9fa2d56ae256c9c09003028b1525c3d2ff3820e931b5e25a11e4c74d258baf5ff557ca83df3f54c198ab30f0812e1378f40707b50 |