Analysis Overview
SHA256
1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
Threat Level: Known bad
The file 1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-06 21:26
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
2023-12-06 21:26
Reported
2023-12-06 21:28
Platform
win7-20231023-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| 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\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1320 wrote to memory of 2628 | N/A | C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | C:\Windows\system32\schtasks.exe |
| PID 1320 wrote to memory of 2628 | N/A | C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | C:\Windows\system32\schtasks.exe |
| PID 1320 wrote to memory of 2628 | N/A | C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | C:\Windows\system32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe
"C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Office365" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Office365.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp | |
| ZA | 41.216.183.22:4782 | tcp |
Files
memory/1320-0-0x0000000000FA0000-0x00000000012C4000-memory.dmp
memory/1320-1-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp
memory/1320-2-0x000000001B3C0000-0x000000001B440000-memory.dmp
memory/1320-3-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp
memory/1320-4-0x000000001B3C0000-0x000000001B440000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-06 21:26
Reported
2023-12-06 21:28
Platform
win10v2004-20231130-en
Max time kernel
93s
Max time network
149s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| 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\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3112 wrote to memory of 1540 | N/A | C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3112 wrote to memory of 1540 | N/A | C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe
"C:\Users\Admin\AppData\Local\Temp\1fea532c75a33209f094f835261b4f579613a7b2ece7f.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Office365" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Office365.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 | 21.177.190.20.in-addr.arpa | udp |
| ZA | 41.216.183.22:4782 | tcp | |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 175.178.17.96.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 | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.183.216.41.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 248.81.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 20.114.59.183:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 20.114.59.183:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 20.114.59.183:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 104.91.71.140:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.178.17.96.in-addr.arpa | udp |
Files
memory/3112-0-0x00000000009E0000-0x0000000000D04000-memory.dmp
memory/3112-2-0x000000001B9B0000-0x000000001B9C0000-memory.dmp
memory/3112-1-0x00007FFBA9CA0000-0x00007FFBAA761000-memory.dmp
memory/3112-3-0x00000000030A0000-0x00000000030F0000-memory.dmp
memory/3112-4-0x000000001C080000-0x000000001C132000-memory.dmp
memory/3112-6-0x000000001C020000-0x000000001C05C000-memory.dmp
memory/3112-5-0x000000001BFC0000-0x000000001BFD2000-memory.dmp
memory/3112-7-0x00007FFBA9CA0000-0x00007FFBAA761000-memory.dmp