Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
27/08/2026, 03:18
General
- Target 4acfeb92be1720e0b46212f8e27786e56615fcd86492764e9fdf99db956c4def.exe
- Size 65KB
- Sample260827-dtz7laxtf1
- SHA256 4acfeb92be1720e0b46212f8e27786e56615fcd86492764e9fdf99db956c4def
Malware Config
Extracted
-
xworm
-
XWorm V6.0
-
cqrnmljd83.localto.net:5779
-
Install_directory
%LocalAppData%
-
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 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4acfeb92be1720e0b46212f8e27786e56615fcd86492764e9fdf99db956c4def.exe"C:\Users\Admin\AppData\Local\Temp\4acfeb92be1720e0b46212f8e27786e56615fcd86492764e9fdf99db956c4def.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\Local\RuntimeBroker.exeC:\Users\Admin\AppData\Local\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/2448-0-0x00007FFE86D2F000-0x00007FFE86D30000-memory.dmp
memory/2448-1-0x0000000000F80000-0x0000000000F96000-memory.dmp
memory/2448-2-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2448-3-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2448-4-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2448-9-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2448-14-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2448-15-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2508-12-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp
memory/2508-13-0x00007FFE86BA0000-0x00007FFE87544000-memory.dmp