Analysis Overview
SHA256
5a3b284cfc49a72f3a28b91aad715c0181c13c10672433323569e92f15afa0c1
Threat Level: Known bad
The file IMVUDineroIlimitado.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar payload
Quasar RAT
Executes dropped EXE
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-13 06:53
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 06:53
Reported
2024-12-13 06:54
Platform
win10ltsc2021-20241211-en
Max time kernel
30s
Max time network
31s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| 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:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | N/A |
Scheduled Task/Job: Scheduled Task
| 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\IMVUDineroIlimitado.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3088 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3088 wrote to memory of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3088 wrote to memory of 5068 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 3088 wrote to memory of 5068 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 5068 wrote to memory of 3764 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 5068 wrote to memory of 3764 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe
"C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | azxq0ap.localto.net | udp |
| US | 23.158.232.33:3425 | azxq0ap.localto.net | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.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 | 33.232.158.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3088-0-0x00007FFC50F73000-0x00007FFC50F75000-memory.dmp
memory/3088-1-0x0000000000620000-0x0000000000972000-memory.dmp
memory/3088-2-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe
| MD5 | 507321e95801a8d7833c15613d60fa6f |
| SHA1 | b5805546dbdff837b9a0f6c6e619ef660bb23b97 |
| SHA256 | 5a3b284cfc49a72f3a28b91aad715c0181c13c10672433323569e92f15afa0c1 |
| SHA512 | bd3edf014ed1aed2aac6331307c07997dba8a5fe631cb1209eea7a3f72deb7901cc8175b73832142c9552a510f0e9d9d2cbf65008c961c4e26e992daab4c1dba |
memory/5068-6-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp
memory/3088-5-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp
memory/5068-7-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp
memory/5068-8-0x000000001E140000-0x000000001E190000-memory.dmp
memory/5068-9-0x000000001E250000-0x000000001E302000-memory.dmp
memory/5068-10-0x000000001E1D0000-0x000000001E1E2000-memory.dmp
memory/5068-11-0x000000001E950000-0x000000001E98C000-memory.dmp
memory/5068-12-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp
memory/5068-13-0x00007FFC50F70000-0x00007FFC51A32000-memory.dmp