Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
- submitted
01/07/2026, 15:36
General
- Target vtsl5nznyzul0rnd.exe
- Size 508KB
- Sample260701-s17ycabs7w
- SHA256 beab871cd831c2fbfe1896881f60e4f21aa191fc15620f6a12dcae5940327192
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 7 IoCs
- Looks up external IP address via web service 7 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 7 IoCs
- Suspicious use of WriteProcessMemory 6 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\vtsl5nznyzul0rnd.exe"C:\Users\Admin\AppData\Local\Temp\vtsl5nznyzul0rnd.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="caS~\lYC\Sb.\`" dir=in action=allow program="C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe" enable=yes & exit2⤵
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Users\Public\Documents\xdwdSearch.exe" /RL HIGHEST & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Users\Public\Documents\xdwdSearch.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exeC:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Public\Documents\xdwdSearch.exeC:\Users\Public\Documents\xdwdSearch.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\xdwdDefender.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
xdwdDefender.exe
xdwd.dll
memory/940-6-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-3-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-5-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-4-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-1-0x00000221F6D00000-0x00000221F6D84000-memory.dmp
memory/940-7-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-8-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-9-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-10-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-2-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp
memory/940-0-0x00007FFCB20BF000-0x00007FFCB20C0000-memory.dmp
memory/940-112-0x00007FFCB1F30000-0x00007FFCB28D4000-memory.dmp