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Analysis

  • max time kernel
    149s
  • max time network
    205s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    01/03/2025, 00:22

General

  • Target

    XClient.exe

  • Size

    68KB

  • MD5

    8e7318307b088a86b9ab66f6b076b7d5

  • SHA1

    4142afe3309a54effed2a1ac326341e9e5285544

  • SHA256

    a0b04dca3073057a57394c611b10151fc5a8dad14cc20ef34456ca89dbd0ed4c

  • SHA512

    05533b157e3253bc768eebc025f13833a1109e548933d777c48e2da5f768bd7db857b59b641ead163e3ba9b993989c1c1162e953d4033981e2a0943bf3c82908

  • SSDEEP

    1536:r8GLFR1IQRlYJovNjFRXj3i55qbc++7rSiSi/62AzOqrxh+:r8GZR1BRK8FgPqbc+YdRZeOqrD+

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    Fn.exe

  • pastebin_url

    https://pastebin.com/raw/3DHCYB8t

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: LoadsDriver 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2036

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2036-0-0x00007FFDF00A3000-0x00007FFDF00A5000-memory.dmp

    Filesize

    8KB

  • memory/2036-1-0x0000000000DA0000-0x0000000000DB8000-memory.dmp

    Filesize

    96KB

  • memory/2036-2-0x00007FFDF00A0000-0x00007FFDF0B62000-memory.dmp

    Filesize

    10.8MB

  • memory/2036-3-0x00007FFDF00A0000-0x00007FFDF0B62000-memory.dmp

    Filesize

    10.8MB