Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
26/08/2026, 17:19
General
- Target 144f04de99abdc4dd15ee57a92f2404097241a9e26c2456d0a37d159e971aba3.exe
- Size 74KB
- Sample260826-vv4d3stanc
- SHA256 144f04de99abdc4dd15ee57a92f2404097241a9e26c2456d0a37d159e971aba3
Malware Config
Extracted
-
xworm
-
XWorm V6.0
-
uiy5n1xvev.localto.net:1604
-
Install_directory
%AppData%
-
install_file
RuntimeBroker.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\144f04de99abdc4dd15ee57a92f2404097241a9e26c2456d0a37d159e971aba3.exe"C:\Users\Admin\AppData\Local\Temp\144f04de99abdc4dd15ee57a92f2404097241a9e26c2456d0a37d159e971aba3.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exeC:\Users\Admin\AppData\Roaming\RuntimeBroker.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RuntimeBroker.exe
memory/2624-0-0x00007FFCEB4CF000-0x00007FFCEB4D0000-memory.dmp
memory/2624-1-0x0000000000920000-0x0000000000938000-memory.dmp
memory/2624-2-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/2624-3-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/2624-8-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/2624-13-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/2624-14-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/4644-11-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp
memory/4644-12-0x00007FFCEB340000-0x00007FFCEBCE4000-memory.dmp