Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/07/2026, 17:43
Behavioral task
behavioral1
Sample
echo-ac.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
echo-ac.exe
Resource
win11ltsc2024-20260629-en
11 signatures
150 seconds
General
- Target echo-ac.exe
- Size 75KB
- Sample260705-wam22aev9x
- SHA256 ad7219114cc90a639a3cce50d10133a86bd131ee96b37d019f37fe7a9e444930
- MD5 d4501ccf641438814210b62773703c42
- SHA1 470c58aa2ac88c0e87cbfe2b7d339c5cffa3569f
- SHA512 58f55b692bdbbdb6a1d27312efe64e4bc455738cf4627f42cdb22127e2d89992c70c56f705e208c591a885eb0eca553924ea239223066d9bbe224de374529b9b
- SSDEEP 1536:mYFWfUSlHe6UQnq9l/bHixJum9+iZyr9XsmHLO4OoBluPKrcfuysqV:mYFS86q9l/bHSN9hyOmHLxOoHad2yp
- TLSH T13B73281C37E60035E5FEAFB14CE63252D67AB26334139E4F14EB0A8B1726D84C9516EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
xworm
C2
-
sfpog-2a02-2f01-7c05-c700-39ac-5c45-c497-db77.run.pinggy-free.link:38749
-
:123
Attributes
-
Install_directory
%ProgramData%
-
install_file
SecurityService.exe
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/2868-1-0x00000000006A0000-0x00000000006B8000-memory.dmp family_xworm behavioral2/files/0x001100000001c4ae-11.dat family_xworm - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityService.lnk echo-ac.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityService.lnk echo-ac.exe - Executes dropped EXE 4 IoCs
pid Process 5784 SecurityService.exe 5424 SecurityService.exe 3312 SecurityService.exe 3540 SecurityService.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3047816590-610495838-277027736-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityService = "C:\\ProgramData\\SecurityService.exe" echo-ac.exe - 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.
pid Process 4548 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2868 echo-ac.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2868 echo-ac.exe Token: SeDebugPrivilege 5424 SecurityService.exe Token: SeDebugPrivilege 5784 SecurityService.exe Token: SeDebugPrivilege 3312 SecurityService.exe Token: SeDebugPrivilege 3540 SecurityService.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2868 wrote to memory of 4548 2868 echo-ac.exe 88 - 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
PID:2868 -
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
PID:4548
-
-
C:\PROGRA~3\SecurityService.exeC:\PROGRA~3\SECURI~1.EXE1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5424
-
C:\ProgramData\SecurityService.exeC:\ProgramData\SecurityService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5784
-
C:\ProgramData\SecurityService.exe"C:\ProgramData\SecurityService.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3312
-
C:\ProgramData\SecurityService.exe"C:\ProgramData\SecurityService.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3540
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
- Path C:\ProgramData\SecurityService.exe
- Size 75KB
- SHA256 ad7219114cc90a639a3cce50d10133a86bd131ee96b37d019f37fe7a9e444930
- MD5 d4501ccf641438814210b62773703c42
- SHA1 470c58aa2ac88c0e87cbfe2b7d339c5cffa3569f
- SHA512 58f55b692bdbbdb6a1d27312efe64e4bc455738cf4627f42cdb22127e2d89992c70c56f705e208c591a885eb0eca553924ea239223066d9bbe224de374529b9b
- SSDEEP 1536:mYFWfUSlHe6UQnq9l/bHixJum9+iZyr9XsmHLO4OoBluPKrcfuysqV:mYFS86q9l/bHSN9hyOmHLxOoHad2yp
- TLSH T13B73281C37E60035E5FEAFB14CE63252D67AB26334139E4F14EB0A8B1726D84C9516EB
- MD5 SHA1 SHA512 SSDEEP TLSH