Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/07/2026, 02:12
General
- Target loader.exe
- Size 40KB
- Sample260718-cms92acz4p
- SHA256 bc1f88853a3f31fccf324411cefd0c6a57ceda33bb768ceb521cedbc93989bac
Malware Config
Extracted
-
xworm
-
5.0
-
wantedbyfeds-54584.portmap.host:54584
-
7S9shjpOVPcoPy4H
-
Install_directory
%AppData%
-
install_file
windowsformat.exe
-
telegram
https://api.telegram.org/bot8867894907:AAFRVuF0qzvdE3KOGzJSzLPgUL6TlwQrjWI/sendMessage?chat_id=7526012554
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 3 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 behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 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\loader.exe"C:\Users\Admin\AppData\Local\Temp\loader.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "windowsformat" /tr "C:\Users\Admin\AppData\Roaming\windowsformat.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\windowsformat.exeC:\Users\Admin\AppData\Roaming\windowsformat.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\windowsformat.exe"C:\Users\Admin\AppData\Roaming\windowsformat.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\windowsformat.exe"C:\Users\Admin\AppData\Roaming\windowsformat.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
windowsformat.exe
memory/2900-13-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2900-12-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2900-11-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-8-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-0-0x00007FFD8B02F000-0x00007FFD8B030000-memory.dmp
memory/4292-3-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-2-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-1-0x0000000000910000-0x0000000000920000-memory.dmp
memory/4292-14-0x000000001CBF0000-0x000000001CCE0000-memory.dmp
memory/4292-15-0x000000001D000000-0x000000001D02D000-memory.dmp
memory/4292-16-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-17-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/4292-18-0x000000001CBF0000-0x000000001CCE0000-memory.dmp
memory/4292-20-0x000000001CBF0000-0x000000001CCE0000-memory.dmp
memory/4292-22-0x000000001CBF0000-0x000000001CCE0000-memory.dmp