Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 14:08
General
- Target Client-built.exe
- Size 3.1MB
- Sample260804-rfjvcabh92
- SHA256 329fb7d6ee2d707e53502078b09149f903624221a3ac8c559a1803d094e12add
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
10.0.0.30:4782
-
d70ebc9d-3160-42f7-be67-e91a733deb44
-
encryption_key
5A370FDFFF529CED9432804F75B4318027B2A7CE
-
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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4284-0-0x00007FFBB5A1F000-0x00007FFBB5A20000-memory.dmp
memory/4284-1-0x0000000000920000-0x0000000000C44000-memory.dmp
memory/4284-2-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-3-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-4-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-5-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-6-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-7-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-8-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-9-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-10-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-11-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-12-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-13-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-14-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp
memory/4284-15-0x000000001D010000-0x000000001D060000-memory.dmp
memory/4284-16-0x000000001D120000-0x000000001D1D2000-memory.dmp
memory/4284-17-0x00007FFBB5890000-0x00007FFBB6234000-memory.dmp