Analysis
- max time kernel
299s - max time network
301s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 06:44
General
- Target spoofer/spoofer.exe
- Size 3.1MB
- Sample260808-hhqagavzhy
- SHA256 ddf89cfc0d8a9e567e19d245208d5c6db890d5e50c7db0366f68beac20305285
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
192.168.178.183:4782
-
bc85232d-fe66-413a-afc7-ca3b698d5f1f
-
encryption_key
AE70F005A7173CC2689173DCA5DC3075631C66C5
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\spoofer\spoofer.exe"C:\Users\Admin\AppData\Local\Temp\spoofer\spoofer.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/908-26-0x000000001BEA0000-0x000000001BEF0000-memory.dmp
memory/908-27-0x000000001D410000-0x000000001D4C2000-memory.dmp
memory/2336-14-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-10-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-5-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-6-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-7-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-8-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-9-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-2-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-11-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-12-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-13-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-1-0x00000000000D0000-0x00000000003F4000-memory.dmp
memory/2336-3-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-4-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-16-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2336-0-0x00007FFB28A7F000-0x00007FFB28A80000-memory.dmp
memory/3408-17-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-18-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-22-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-23-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-24-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-25-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-20-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-19-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/3408-28-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp