Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/08/2026, 17:17
General
- Target 4f9063b17a1b4963d1a503e705a7b5a65c90d529eb00e1148b0ae85bddbfe2a2.exe
- Size 44KB
- Sample260808-vtq3csap3z
- SHA256 4f9063b17a1b4963d1a503e705a7b5a65c90d529eb00e1148b0ae85bddbfe2a2
Malware Config
Extracted
-
xworm
-
5.0
-
am1ne-41083.portmap.host:41083
-
DEHUFFpnZgqiT6Ju
-
Install_directory
%AppData%
-
install_file
System.exe
-
telegram
https://api.telegram.org/bot8917864420:AAG924IGoKRtpahgLNQpdNkNZ0UO1HbEP4Q/sendMessage?chat_id=5930354367
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 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: AddClipboardFormatListener 1 IoCs
- 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\4f9063b17a1b4963d1a503e705a7b5a65c90d529eb00e1148b0ae85bddbfe2a2.exe"C:\Users\Admin\AppData\Local\Temp\4f9063b17a1b4963d1a503e705a7b5a65c90d529eb00e1148b0ae85bddbfe2a2.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- 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 "System" /tr "C:\Users\Admin\AppData\Roaming\System.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\System.exeC:\Users\Admin\AppData\Roaming\System.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\System.exe"C:\Users\Admin\AppData\Roaming\System.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\System.exe"C:\Users\Admin\AppData\Roaming\System.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
System.exe
memory/2616-12-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/2616-13-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/2616-14-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/5416-0-0x00007FFBCBD6F000-0x00007FFBCBD70000-memory.dmp
memory/5416-1-0x00000000007D0000-0x00000000007E0000-memory.dmp
memory/5416-2-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/5416-3-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/5416-4-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/5416-9-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp
memory/5416-15-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp