Analysis Overview
SHA256
f689e73ba9027c5f1caf115781dd50902c0547fa6d94dd528c017b3542706238
Threat Level: Known bad
The file IMVUDineroIlimitado.zip was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar family
Quasar RAT
Executes dropped EXE
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-13 18:20
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-13 18:20
Reported
2024-12-13 18:20
Platform
win10ltsc2021-20241211-en
Max time kernel
18s
Max time network
26s
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\Desktop\IMVUDineroIlimitado.exe | N/A |
| 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 behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.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 416 wrote to memory of 1320 | N/A | C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 416 wrote to memory of 1320 | N/A | C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 416 wrote to memory of 3104 | N/A | C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 416 wrote to memory of 3104 | N/A | C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe |
| PID 3104 wrote to memory of 1824 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3104 wrote to memory of 1824 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\IMVUDineroIlimitado.zip"
C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe
"C:\Users\Admin\Desktop\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 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkappexec.microsoft.com | udp |
| GB | 51.140.242.104:443 | checkappexec.microsoft.com | tcp |
| US | 8.8.8.8:53 | 104.242.140.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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
C:\Users\Admin\Desktop\IMVUDineroIlimitado.exe
| MD5 | 507321e95801a8d7833c15613d60fa6f |
| SHA1 | b5805546dbdff837b9a0f6c6e619ef660bb23b97 |
| SHA256 | 5a3b284cfc49a72f3a28b91aad715c0181c13c10672433323569e92f15afa0c1 |
| SHA512 | bd3edf014ed1aed2aac6331307c07997dba8a5fe631cb1209eea7a3f72deb7901cc8175b73832142c9552a510f0e9d9d2cbf65008c961c4e26e992daab4c1dba |
memory/416-4-0x00007FFBAD2A3000-0x00007FFBAD2A5000-memory.dmp
memory/416-5-0x00000000000B0000-0x0000000000402000-memory.dmp
memory/416-6-0x00007FFBAD2A0000-0x00007FFBADD62000-memory.dmp
memory/416-9-0x00007FFBAD2A0000-0x00007FFBADD62000-memory.dmp
memory/3104-10-0x000000001BF30000-0x000000001BF80000-memory.dmp
memory/3104-11-0x000000001D110000-0x000000001D1C2000-memory.dmp
memory/3104-12-0x000000001C0C0000-0x000000001C0D2000-memory.dmp
memory/3104-13-0x000000001D050000-0x000000001D08C000-memory.dmp