Analysis
- user interaction
yes - max time kernel
39s - max time network
43s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
13/08/2026, 01:06
General
- Target runtimebroker1.exe
- Size 37KB
- Sample260813-bf94jayemc
- SHA256 9e990b8fd761719d07798b37d219c6679de8535702a81521b3d7fa862b28182b
Malware Config
Extracted
-
xworm
-
5.0
-
64.89.161.181:443
-
dCciLzWMRl3keckW
-
Install_directory
%AppData%
-
install_file
XClient.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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\runtimebroker1.exe"C:\Users\Admin\AppData\Local\Temp\runtimebroker1.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\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
XClient.exe
memory/1404-14-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-2-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-3-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-1-0x00000000009A0000-0x00000000009B0000-memory.dmp
memory/1404-10-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-0-0x00007FF978D5F000-0x00007FF978D60000-memory.dmp
memory/1404-15-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-16-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/1404-17-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/6940-11-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/6940-12-0x00007FF978BD0000-0x00007FF979574000-memory.dmp
memory/6940-13-0x00007FF978BD0000-0x00007FF979574000-memory.dmp