Analysis
- user interaction
yes - max time kernel
58s - max time network
62s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 21:08
Behavioral task
behavioral1
Sample
realtek.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target realtek.exe
- Size 3.1MB
- Sample260727-zyw7dsdc73
- SHA256 c952d549227e0e29ca3f5d0e28aeeff355bbe936769fa6c72a215ea96657eab7
- MD5 25f90429ab2766f1a317c73f49457668
- SHA1 e28b07a9cfb26e8b0d46a2de54c69978aa3f181c
- SHA512 aa07e5680f1c7466e18efe88bcaa57d4d304db6f1f99689cab144114e2bb6ad8793e6a3c64e8b2dd90f6d06b1a00fa9208e88daf7b987af04af3f7261999f8d3
- SSDEEP 49152:LvClL26AaNeWgPhlmVqvMQ7XSKlgaEEmkzk/8FroGdATHHB72eh2NT:Lv6L26AaNeWgPhlmVqkQ7XSKlgavB
- TLSH T1EAE55B143BF85E23E1BBE273D5B0041667F0EC2AB3A3EB1B5191677E1C53B4059426AB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
.
C2
-
147.185.221.31:65393
Mutex
-
06e364dd-71d5-4f0b-bae4-3e4ca9c73aa5
Attributes
-
encryption_key
FD9F712FFB55F9983B0F154D69B0813016E50527
-
install_name
realtekconsole.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Realtek Audio Console
-
subdirectory
Realtek
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral2/memory/4512-1-0x0000000000E00000-0x0000000001124000-memory.dmp family_quasar behavioral2/files/0x000d00000001c646-15.dat family_quasar - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1164 schtasks.exe 3080 schtasks.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4512 realtek.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\realtek.exe"C:\Users\Admin\AppData\Local\Temp\realtek.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4512 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Realtek Audio Console" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1164
-
-
C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe"C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe"2⤵PID:4924
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Realtek Audio Console" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:3080
-
-
-
C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exeC:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe1⤵PID:3640
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵PID:2808
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5896
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Realtek\realtekconsole.exe
- Size 3.1MB
- SHA256 c952d549227e0e29ca3f5d0e28aeeff355bbe936769fa6c72a215ea96657eab7
- MD5 25f90429ab2766f1a317c73f49457668
- SHA1 e28b07a9cfb26e8b0d46a2de54c69978aa3f181c
- SHA512 aa07e5680f1c7466e18efe88bcaa57d4d304db6f1f99689cab144114e2bb6ad8793e6a3c64e8b2dd90f6d06b1a00fa9208e88daf7b987af04af3f7261999f8d3
- SSDEEP 49152:LvClL26AaNeWgPhlmVqvMQ7XSKlgaEEmkzk/8FroGdATHHB72eh2NT:Lv6L26AaNeWgPhlmVqkQ7XSKlgavB
- TLSH T1EAE55B143BF85E23E1BBE273D5B0041667F0EC2AB3A3EB1B5191677E1C53B4059426AB
- MD5 SHA1 SHA512 SSDEEP TLSH