Overview

overview

10

Static

static

10

loader.exe

windows10-2004-x64

10

loader.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/07/2026, 02:12

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General

  • Target
    loader.exe
  • Size 40KB
  • Sample260718-cms92acz4p
  • SHA256 bc1f88853a3f31fccf324411cefd0c6a57ceda33bb768ceb521cedbc93989bac
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionxwormpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • wantedbyfeds-54584.portmap.host:54584

Mutex

  • 7S9shjpOVPcoPy4H

Attributes
  • Install_directory

    %AppData%

  • install_file

    windowsformat.exe

  • telegram

    https://api.telegram.org/bot8867894907:AAFRVuF0qzvdE3KOGzJSzLPgUL6TlwQrjWI/sendMessage?chat_id=7526012554

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "windowsformat" /tr "C:\Users\Admin\AppData\Roaming\windowsformat.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2132
  • C:\Users\Admin\AppData\Roaming\windowsformat.exe
    C:\Users\Admin\AppData\Roaming\windowsformat.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1224
  • C:\Users\Admin\AppData\Roaming\windowsformat.exe
    C:\Users\Admin\AppData\Roaming\windowsformat.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3244
  • C:\Users\Admin\AppData\Roaming\windowsformat.exe
    C:\Users\Admin\AppData\Roaming\windowsformat.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        windowsformat.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\windowsformat.exe.log
        • Size 654B
        • SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        windowsformat.exe
        • Path C:\Users\Admin\AppData\Roaming\windowsformat.exe
        • Size 40KB
        • SHA256 bc1f88853a3f31fccf324411cefd0c6a57ceda33bb768ceb521cedbc93989bac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2684-0-0x0000000000A10000-0x0000000000A20000-memory.dmp
        Download

        memory/2684-5-0x00000000011F0000-0x0000000001200000-memory.dmp
        Download

        memory/2684-9-0x00000000011F0000-0x0000000001200000-memory.dmp
        Download