Analysis
- user interaction
yes - max time kernel
22s - max time network
26s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/10/2026, 05:02
Errors
General
- Target XClient.exe
- Size 34KB
- Sample261002-fpkx8axt7l
- SHA256 8c43b4698d7a90364ea8d27579f78651d35c86e7d1bfb86575209427b379f7a8
Malware Config
Extracted
-
xworm
-
5.0
-
25.tcp.vip.cpolar.cn:11220
-
xND5jEA6idxxyJ2H
-
Install_directory
%AppData%
-
install_file
XClient.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 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
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Creates a file in the Startup directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ozimkw.exe"C:\Users\Admin\AppData\Local\Temp\ozimkw.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
ozimkw.exe
memory/2152-1-0x0000000000080000-0x000000000008E000-memory.dmp
memory/2152-0-0x00007FFD1859F000-0x00007FFD185A0000-memory.dmp
memory/2152-2-0x00007FFD18410000-0x00007FFD18DB4000-memory.dmp
memory/2152-7-0x00007FFD18410000-0x00007FFD18DB4000-memory.dmp
memory/2152-8-0x00007FFD18410000-0x00007FFD18DB4000-memory.dmp
memory/2152-9-0x00007FFD18410000-0x00007FFD18DB4000-memory.dmp