Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
28/08/2026, 02:11
General
- Target Client-built.exe
- Size 3.1MB
- Sample260828-cml6qaseph
- SHA256 6334490e10102438358bf7ce68d98f594b6bf2cb42098e1c3f67bddb325f64a7
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
spinbetter-feh.buzz:443
-
adxoso.me:443
-
j88-tv.com:443
-
susterslot.live:443
-
113a1acf-eae6-48f6-993c-1b6f95dce078
-
encryption_key
F099FC50E900CAA52299FD44FD3089CF7142A9BF
-
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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 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 WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/2992-8-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-10-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-3-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-4-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-5-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-6-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-2-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-7-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-9-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-25-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-11-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-13-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-12-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-14-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/2992-1-0x0000000000160000-0x0000000000484000-memory.dmp
memory/2992-0-0x00007FF80C6BF000-0x00007FF80C6C0000-memory.dmp
memory/6004-16-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-18-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-19-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-20-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-21-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-22-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-23-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-24-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-26-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-27-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-17-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-28-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-29-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-30-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp
memory/6004-31-0x000000001C870000-0x000000001C8C0000-memory.dmp
memory/6004-32-0x000000001C980000-0x000000001CA32000-memory.dmp
memory/6004-33-0x00007FF80C530000-0x00007FF80CED4000-memory.dmp