Analysis
- max time kernel
148s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/07/2026, 03:38
General
- Target RtkAudUService64.exe
- Size 3.1MB
- Sample260717-d698bsd16v
- SHA256 c4bfca0a777901192a3aa6b1dc79bfd303c1e1e294af0eb26f3dfdc798c0151c
Malware Config
Extracted
-
quasar
-
1.4.1
-
Fortnite Pcs
-
JamesBearden-52632.portmap.host:4782
-
JamesBearden-52632.portmap.host:52632
-
561c7a68-132c-4ce4-9711-ddb125603515
-
encryption_key
2642F12F8A5328F2C727793C1BC395780006B27B
-
install_name
RtkAudUService64.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Realtek HD Audio Service
-
subdirectory
C:\Windows\System32\DriverStore
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 1 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RtkAudUService64.exe"C:\Users\Admin\AppData\Local\Temp\RtkAudUService64.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2968-0-0x00007FFBCAD1F000-0x00007FFBCAD20000-memory.dmp
memory/2968-1-0x0000000000B30000-0x0000000000E54000-memory.dmp
memory/2968-2-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-3-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-4-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-5-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-6-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-7-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-8-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-9-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-10-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-11-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-12-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-13-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-14-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp
memory/2968-15-0x00007FFBCAB90000-0x00007FFBCB534000-memory.dmp