Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
05/07/2026, 17:39
General
- Target echo-ac.exe
- Size 75KB
- Sample260705-v8rmfaev81
- SHA256 ad7219114cc90a639a3cce50d10133a86bd131ee96b37d019f37fe7a9e444930
Malware Config
Extracted
-
xworm
-
sfpog-2a02-2f01-7c05-c700-39ac-5c45-c497-db77.run.pinggy-free.link:38749
-
:123
-
Install_directory
%ProgramData%
-
install_file
SecurityService.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Drops startup file 3 IoCs
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 2 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\echo-ac.exe"C:\Users\Admin\AppData\Local\Temp\echo-ac.exe"1⤵
- Drops startup file
- 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 "SecurityService" /tr "C:\ProgramData\SecurityService.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\PROGRA~3\SecurityService.exeC:\PROGRA~3\SECURI~1.EXE1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\SecurityService.exeC:\ProgramData\SecurityService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\SecurityService.exe"C:\ProgramData\SecurityService.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\SecurityService.exe"C:\ProgramData\SecurityService.exe"1⤵
- Drops startup file
- Executes dropped EXE
- 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 "SecurityService" /tr "C:\ProgramData\SecurityService.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
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
SecurityService.exe
SecurityService.lnk
memory/1268-11-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/1268-12-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/1268-13-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/5400-0-0x00007FFCFD54F000-0x00007FFCFD550000-memory.dmp
memory/5400-1-0x00000000002E0000-0x00000000002F8000-memory.dmp
memory/5400-2-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/5400-7-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/5400-14-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/5400-15-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp
memory/5400-19-0x00007FFCFD3C0000-0x00007FFCFDD64000-memory.dmp