Analysis Overview
SHA256
bfe9444551e5017c82d53140c11c08c41fe9fd821cedbb959f388f2ca7946563
Threat Level: Known bad
The file client.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-23 01:25
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
2023-12-23 01:25
Reported
2023-12-23 01:27
Platform
win7-20231129-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\client.exe
"C:\Users\Admin\AppData\Local\Temp\client.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp |
Files
memory/2004-0-0x0000000000940000-0x0000000000C64000-memory.dmp
memory/2004-1-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2004-2-0x000000001B240000-0x000000001B2C0000-memory.dmp
memory/2004-3-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2004-4-0x000000001B240000-0x000000001B2C0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-23 01:25
Reported
2023-12-23 01:27
Platform
win10v2004-20231215-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\client.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\client.exe
"C:\Users\Admin\AppData\Local\Temp\client.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 147.177.190.20.in-addr.arpa | udp |
| N/A | 10.166.8.157:4782 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| N/A | 10.166.8.157:4782 | tcp | |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| 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 | 119.110.54.20.in-addr.arpa | udp |
| N/A | 10.166.8.157:4782 | tcp | |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| N/A | 10.166.8.157:4782 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| GB | 88.221.135.211:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.111.236.22:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 10.166.8.157:4782 | tcp | |
| N/A | 10.166.8.157:4782 | tcp | |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
Files
memory/3464-0-0x00000000000B0000-0x00000000003D4000-memory.dmp
memory/3464-1-0x00007FFCC8750000-0x00007FFCC9211000-memory.dmp
memory/3464-2-0x0000000000A90000-0x0000000000AA0000-memory.dmp
memory/3464-3-0x000000001BF20000-0x000000001BF70000-memory.dmp
memory/3464-4-0x000000001C030000-0x000000001C0E2000-memory.dmp
memory/3464-5-0x00007FFCC8750000-0x00007FFCC9211000-memory.dmp