Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
02/08/2026, 20:37
General
- Target Client-built333.exe
- Size 3.1MB
- Sample260802-zees1a1fjc
- SHA256 eb972e54e1e9ce3569d37c6210f8c63ba4a32684e8fd36618c492bdbdfd728ba
Malware Config
Extracted
-
quasar
-
1.4.1
-
xeno
-
axaxxax-51422.portmap.host:51422
-
807e7f8b-c361-461e-a83c-c838c194b939
-
encryption_key
57DF511C91337D19DD39BBD98DEFC31CFD805360
-
install_name
Xeno.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Xeno_Logs
-
reconnect_delay
3000
-
startup_key
Xeno
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client-built333.exe"C:\Users\Admin\AppData\Local\Temp\Client-built333.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Xeno" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Xeno.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Xeno.exe"C:\Users\Admin\AppData\Roaming\SubDir\Xeno.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Xeno" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Xeno.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Xeno.exeC:\Users\Admin\AppData\Roaming\SubDir\Xeno.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Xeno.exe
memory/2752-8-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-10-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-3-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-5-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-4-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-6-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-2-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-7-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-9-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-17-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-11-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-12-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-13-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-14-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2752-1-0x0000000000560000-0x0000000000884000-memory.dmp
memory/2752-0-0x00007FFC2165F000-0x00007FFC21660000-memory.dmp
memory/2768-16-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-18-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-19-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-20-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-21-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-22-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-23-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-24-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-25-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-26-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-27-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-28-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-29-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-30-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp
memory/2768-32-0x000000001B3D0000-0x000000001B420000-memory.dmp
memory/2768-33-0x000000001C900000-0x000000001C9B2000-memory.dmp
memory/2768-34-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp