Analysis
- max time kernel
149s - max time network
154s - 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, 15:58
Behavioral task
behavioral1
Sample
ech0-ac.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
ech0-ac.exe
Resource
win11ltsc2024-20260629-en
11 signatures
150 seconds
General
- Target ech0-ac.exe
- Size 63KB
- Sample260705-ter6fahs6r
- SHA256 5bbaba74c90528c2b7ddcd7ae5dadd067d7a33c51e2ff3f8e236ba41d9602316
- MD5 59cf442c1d0ee59bda81ce39cd89d281
- SHA1 85eb43299ef52d68a26da8becc488578c6c9e866
- SHA512 63034ec5695b9157973726e0dc45659ce748c515322a801b4af076ace61e708219c5c4bd47cf767bebf01b3b3b1e2faa0b6d6ee2eee9e6a6a8389eadb922646f
- SSDEEP 1536:A3UD+K/hZgbhm0uCl/b34etIYGMcaOLkq:A3ULLgbcFK/b3VGMcaOL7
- TLSH T144535B1877F54116F1FFAFB158F27252DA7AF2275802875F24E9028A1713988CE907FA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
xworm
C2
-
near-violin.gl.at.ply.gg:3353
Attributes
-
Install_directory
%ProgramData%
-
install_file
SecurityHealth.exe
-
localhost
127.0.0.1
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/2316-1-0x0000000000790000-0x00000000007A6000-memory.dmp family_xworm behavioral2/files/0x000d00000001c584-10.dat family_xworm - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealth.lnk ech0-ac.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealth.lnk ech0-ac.exe - Executes dropped EXE 5 IoCs
pid Process 3952 SecurityHealth.exe 1668 SecurityHealth.exe 5540 SecurityHealth.exe 1596 SecurityHealth.exe 1452 SecurityHealth.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1797646245-3139070211-3019596475-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealth = "C:\\ProgramData\\SecurityHealth.exe" ech0-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 4796 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2316 ech0-ac.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2316 ech0-ac.exe Token: SeDebugPrivilege 3952 SecurityHealth.exe Token: SeDebugPrivilege 1668 SecurityHealth.exe Token: SeDebugPrivilege 5540 SecurityHealth.exe Token: SeDebugPrivilege 1596 SecurityHealth.exe Token: SeDebugPrivilege 1452 SecurityHealth.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2316 wrote to memory of 4796 2316 ech0-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\ech0-ac.exe"C:\Users\Admin\AppData\Local\Temp\ech0-ac.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealth" /tr "C:\ProgramData\SecurityHealth.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4796
-
-
C:\PROGRA~3\SecurityHealth.exeC:\PROGRA~3\SECURI~1.EXE1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1668
-
C:\ProgramData\SecurityHealth.exeC:\ProgramData\SecurityHealth.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3952
-
C:\ProgramData\SecurityHealth.exe"C:\ProgramData\SecurityHealth.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5540
-
C:\ProgramData\SecurityHealth.exe"C:\ProgramData\SecurityHealth.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1596
-
C:\ProgramData\SecurityHealth.exe"C:\ProgramData\SecurityHealth.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1452
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\SecurityHealth.exe
- Size 63KB
- SHA256 5bbaba74c90528c2b7ddcd7ae5dadd067d7a33c51e2ff3f8e236ba41d9602316
- MD5 59cf442c1d0ee59bda81ce39cd89d281
- SHA1 85eb43299ef52d68a26da8becc488578c6c9e866
- SHA512 63034ec5695b9157973726e0dc45659ce748c515322a801b4af076ace61e708219c5c4bd47cf767bebf01b3b3b1e2faa0b6d6ee2eee9e6a6a8389eadb922646f
- SSDEEP 1536:A3UD+K/hZgbhm0uCl/b34etIYGMcaOLkq:A3ULLgbcFK/b3VGMcaOL7
- TLSH T144535B1877F54116F1FFAFB158F27252DA7AF2275802875F24E9028A1713988CE907FA
- MD5 SHA1 SHA512 SSDEEP TLSH