Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 01:17
General
- Target da456682afc04a8ea4976611bc3ff2ef1962dd239aa524580520bfecef92b80a.exe
- Size 35KB
- Sample260808-bnsjfsxcna
- SHA256 da456682afc04a8ea4976611bc3ff2ef1962dd239aa524580520bfecef92b80a
Malware Config
Extracted
-
xworm
-
5.0
-
portbuddy.dev:43963
-
G39yRPOrRXelcm0n
-
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 4 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).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 1 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\da456682afc04a8ea4976611bc3ff2ef1962dd239aa524580520bfecef92b80a.exe"C:\Users\Admin\AppData\Local\Temp\da456682afc04a8ea4976611bc3ff2ef1962dd239aa524580520bfecef92b80a.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\XClient.exe"C:\Users\Admin\AppData\Roaming\XClient.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
XClient.exe
memory/2640-11-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/2640-12-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/4956-0-0x00007FFEBC44F000-0x00007FFEBC450000-memory.dmp
memory/4956-1-0x0000000000850000-0x0000000000860000-memory.dmp
memory/4956-2-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/4956-3-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/4956-8-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/4956-13-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp
memory/4956-15-0x00007FFEBC2C0000-0x00007FFEBCC64000-memory.dmp