Analysis
- max time kernel
148s - max time network
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
05/07/2026, 16:11
General
- Target test.exe
- Size 67KB
- Sample260705-tnb6kshv8j
- SHA256 41854c5b01167d8149f33d4db824ce92d33c9f9514e25cd4416657cdd8bbd1eb
Malware Config
Extracted
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xworm
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dnaun-188-27-253-146.run.pinggy-free.link:46769
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:123
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Install_directory
%ProgramData%
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install_file
HealthService.exe
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 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops desktop.ini file(s) 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Delays execution with timeout.exe 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 2 IoCs
- Modifies registry class 24 IoCs
- 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 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 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
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C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "HealthService" /tr "C:\ProgramData\HealthService.exe"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -c explorer shell:::{3080F90E-D7AD-11D9-BD98-0000947B0257}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\explorer.exe"C:\Windows\explorer.exe" shell::: -encodedCommand MwAwADgAMABGADkAMABFAC0ARAA3AEEARAAtADEAMQBEADkALQBCAEQAOQA4AC0AMAAwADAAMAA5ADQANwBCADAAMgA1ADcA -inputFormat xml -outputFormat text3⤵
- Modifies registry class
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /delete /f /tn "HealthService"2⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp40B4.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\ProgramData\HealthService.exeC:\ProgramData\HealthService.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\PROGRA~3\HealthService.exeC:\PROGRA~3\HEALTH~1.EXE1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\ProgramData\HealthService.exe"C:\ProgramData\HealthService.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Drops desktop.ini file(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding1⤵
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C:\ProgramData\HealthService.exe"C:\ProgramData\HealthService.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
HealthService.exe
iconcache_idx.db
iconcache_idx.db
__PSScriptPolicyTest_m5u104vh.bpq.ps1
tmp40B4.tmp.bat
memory/4536-15-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4536-17-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4536-16-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4536-14-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-5-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-10-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-0-0x00007FFB9F3DF000-0x00007FFB9F3E0000-memory.dmp
memory/4936-18-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-20-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-21-0x000000001E120000-0x000000001E12C000-memory.dmp
memory/4936-22-0x0000000001680000-0x0000000001690000-memory.dmp
memory/4936-4-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-3-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-2-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/4936-1-0x0000000000DB0000-0x0000000000DC8000-memory.dmp
memory/4936-56-0x00007FFB9F250000-0x00007FFB9FBF4000-memory.dmp
memory/6888-28-0x000001EF62D10000-0x000001EF62D32000-memory.dmp