Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 00:45
General
- Target file.exe
- Size 3.1MB
- Sample260809-a4fddsgb25
- SHA256 525b378c9abf58b083365cd178a7a611c19ae0107346a714df6ba450eed172ab
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
145.63.135.73:4782
Mutex
-
dc8fb5c9-2b3a-4101-a8c1-ba49ec156308
Attributes
-
encryption_key
E5009BF623A99A1C02685A2E49787917DD9415A0
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
microsoft keyboard
-
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
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2352-0-0x0000000000620000-0x0000000000944000-memory.dmp
memory/2352-1-0x000000001B6B0000-0x000000001B6C0000-memory.dmp
memory/2352-2-0x000000001CA00000-0x000000001CA50000-memory.dmp
memory/2352-3-0x000000001CB10000-0x000000001CBC2000-memory.dmp
memory/2352-4-0x000000001B6B0000-0x000000001B6C0000-memory.dmp