Analysis Overview
SHA256
3581567130d8c7081fcb2f9c51e066487c7da1d62833169817725ae57874a243
Threat Level: Known bad
The file IMVU dinero ilimitado.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar payload
Quasar RAT
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-13 06:52
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 06:52
Reported
2024-12-13 06:52
Platform
win10ltsc2021-20241211-en
Max time kernel
11s
Max time network
12s
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\IMVU dinero ilimitado.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 4084 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4084 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4084 wrote to memory of 4416 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 4084 wrote to memory of 4416 | N/A | C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 4416 wrote to memory of 220 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4416 wrote to memory of 220 | 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\IMVU dinero ilimitado.exe
"C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.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 | 74.32.126.40.in-addr.arpa | udp |
| 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 | 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 |
Files
memory/4084-0-0x00007FFECBC63000-0x00007FFECBC65000-memory.dmp
memory/4084-1-0x0000000000820000-0x0000000000B72000-memory.dmp
memory/4084-2-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe
| MD5 | a6b8a25d0eeac0fe978cc16a1e377e37 |
| SHA1 | dae6ed3a24af41e4247872f718b0e1bb0dcc7bff |
| SHA256 | 3581567130d8c7081fcb2f9c51e066487c7da1d62833169817725ae57874a243 |
| SHA512 | 7dd56e27b1f112df4f4ca6e6f9846848d50496d78cdfcc913f0179c39a21c57b0a04bffabe9c1d1c85fcfda79e2ec0bd55aa38537e8325b7073970d6ede59713 |
memory/4416-6-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp
memory/4084-5-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp
memory/4416-7-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp
memory/4416-8-0x000000001C280000-0x000000001C2D0000-memory.dmp
memory/4416-9-0x000000001C390000-0x000000001C442000-memory.dmp
memory/4416-10-0x000000001C230000-0x000000001C242000-memory.dmp
memory/4416-11-0x000000001C310000-0x000000001C34C000-memory.dmp
memory/4416-12-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp
memory/4416-13-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp