Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2025, 21:51

General

  • Target

    XClient.exe

  • Size

    34KB

  • MD5

    d0c8b1d2b66ac787bcdf240539eb6efa

  • SHA1

    156972e8ce9b6fcb0221d6180b964ab1037202b6

  • SHA256

    d329597dff93a3c57c56347c63f86e32af32fb403926c803f8fff1fb3917b209

  • SHA512

    cad2eba4bc3c9d476f6f50a031caa6380dadd18272dd469be003a624b9798949458a12b3ad016808eb048fd44f78519e4b9b1546f8549b5065c1bc9aa029bb0f

  • SSDEEP

    768:gH+65A2tPNhzIgtoFk9Fy9Y+OjhJ/Vcv:g15pt0gtowFy9Y+Ojbtcv

Malware Config

Extracted

Family

xworm

Version

5.0

C2

a479-2603-8081-6a00-2328-1f9-4b54-9ee9-7461.ngrok-free.app:5383

Mutex

p1qbBcbYqG1HD2q1

Attributes
  • Install_directory

    %AppData%

  • install_file

    Realtek Audio Driver.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1428-0-0x00007FFB81A23000-0x00007FFB81A25000-memory.dmp

    Filesize

    8KB

  • memory/1428-1-0x0000000000D10000-0x0000000000D1E000-memory.dmp

    Filesize

    56KB

  • memory/1428-6-0x00007FFB81A20000-0x00007FFB824E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1428-7-0x00007FFB81A23000-0x00007FFB81A25000-memory.dmp

    Filesize

    8KB

  • memory/1428-8-0x00007FFB81A20000-0x00007FFB824E1000-memory.dmp

    Filesize

    10.8MB