Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows10-ltsc_2021-x64

10

XClient.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    480s
  • max time network
    514s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250410-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250410-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    18/04/2025, 18:04

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General

  • Target

    XClient.exe

  • Size

    35KB

  • MD5

    8e2004dd32bda2b26546d940697f2e74

  • SHA1

    54cb59c5b9089563417da7ba32a585b5fd249472

  • SHA256

    7f175bde58843224ac7eb5b1d872e4d6189bbd4e529210c93747815f27272705

  • SHA512

    35a01e5376db084f3a07942edf064df7d18e223416f1f3035fb85b8c726ff6b95f786eb050d7d9bfa29a030fc761b63ded46d7163c9ed6ae0e025ef7c267117a

  • SSDEEP

    384:KImOlrq3Qq8K+kSk12XFKFi1q8QchnN6V/JXpXwxGLZfi5cnsrT7iJiUE/o58pk4:qZ/YXygNA5ILvEiLoVFyw9zZdO/hCyP

Score
10/10
xwormrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.185.221.19:16347

Mutex

ER01K154hVOItHNG

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • 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 8 IoCs
  • 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 use of AdjustPrivilegeToken 10 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4648
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:6000
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2420
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2388
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5580
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4548
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2872
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4488
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    "C:\Users\Admin\AppData\Roaming\XClient.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3800

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
    Filesize

    654B

    MD5

    11c6e74f0561678d2cf7fc075a6cc00c

    SHA1

    535ee79ba978554abcb98c566235805e7ea18490

    SHA256

    d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

    SHA512

    32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

    Download Submit

  • C:\Users\Admin\AppData\Roaming\XClient.exe
    Filesize

    35KB

    MD5

    8e2004dd32bda2b26546d940697f2e74

    SHA1

    54cb59c5b9089563417da7ba32a585b5fd249472

    SHA256

    7f175bde58843224ac7eb5b1d872e4d6189bbd4e529210c93747815f27272705

    SHA512

    35a01e5376db084f3a07942edf064df7d18e223416f1f3035fb85b8c726ff6b95f786eb050d7d9bfa29a030fc761b63ded46d7163c9ed6ae0e025ef7c267117a

    Download Submit

  • memory/3584-0-0x00007FFDAF9A3000-0x00007FFDAF9A5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3584-1-0x0000000000C70000-0x0000000000C80000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3584-6-0x00007FFDAF9A0000-0x00007FFDB0462000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3584-7-0x00007FFDAF9A3000-0x00007FFDAF9A5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3584-8-0x00007FFDAF9A0000-0x00007FFDB0462000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3584-22-0x0000000002D80000-0x0000000002D8C000-memory.dmp

    Filesize

    48KB

    Download

  • memory/6000-11-0x00007FFDAF9A0000-0x00007FFDB0462000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/6000-14-0x00007FFDAF9A0000-0x00007FFDB0462000-memory.dmp

    Filesize

    10.8MB

    Download