General

  • Target

    30a5ad6d62e4cd603673a9e3b3e77631.bin

  • Size

    927KB

  • Sample

    241117-bgy3naxgrp

  • MD5

    ba1ab9e652ae2f3b2f072ae49e9b8dcd

  • SHA1

    cd493668b314fb53614addc4340fe7758425a967

  • SHA256

    bcd0ac1f3df9c064c81fdae2cdd838ab757144ec0737ea494bc9b705b09c0de5

  • SHA512

    9c7ec3a15efe05d3d3539b6f3439efe41858af20dd1e23eb7e5ac851591dcc92d74a5a47483ef2312629d45963b66f666268f95ba4b9ef89ddfe9a13fd94fa64

  • SSDEEP

    24576:5dMN8SUdml1/xTGzWP1KEzuprO8PUdvxHUKs:TMNKcnZG+v27UdqP

Malware Config

Extracted

Family

xworm

C2

147.185.221.23:25808

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    Realtek HD Audio Universal Service.exe

Extracted

Family

xworm

Version

5.0

C2

senior-adopted.gl.at.ply.gg:56758

Mutex

Bz7AHGcWuERgvPvx

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      fda3ed77e29ab105a5c1762c84c6fae92b4497c5954cb305e613cfe030506090.exe

    • Size

      1.1MB

    • MD5

      30a5ad6d62e4cd603673a9e3b3e77631

    • SHA1

      c8d42f3efe983add08b190325239290e4fb79631

    • SHA256

      fda3ed77e29ab105a5c1762c84c6fae92b4497c5954cb305e613cfe030506090

    • SHA512

      a0a87ea2374a4d3f8dd014011a0373f6302aa04d8dc70e9bda0e78221486057ac26ef09c3702e6ee80a3f738bcee7c8fb62363b5cd238ed36b9fb068d35113bc

    • SSDEEP

      24576:0zAW5Wy3XuH/pR0+9vwe5oc78dBDaiMo9mRCYDwECvw:0NWHH/Dt55l4jaYKIEcw

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks