General

  • Target

    Xclient.exe

  • Size

    81KB

  • Sample

    240530-l5ec9sdg8v

  • MD5

    920858512e4722a649ca6bdecf4ea1a6

  • SHA1

    76019c1408ef7c7ea5fd5f53b58ad21a07b9b483

  • SHA256

    f691af29880a23440b65782116124cbdfe8ea9d58ed103f33f15a89b0952b13a

  • SHA512

    ec5c1ba5af7253e494e3ccc7e8f2890c308bcb18e33e5e9bb76e631ada244674598a464a49064e5215780e2330b9f9bbdbe208f5f836432d27428270be275018

  • SSDEEP

    1536:uzRjUdfuRnFe1zy6rzRTa57tmJWb5t4kOuFA/F6NZfhdcAfzOAwqQkGH:7n1lRsx6Wb5tVLd3zOAweGH

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:4099

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      Xclient.exe

    • Size

      81KB

    • MD5

      920858512e4722a649ca6bdecf4ea1a6

    • SHA1

      76019c1408ef7c7ea5fd5f53b58ad21a07b9b483

    • SHA256

      f691af29880a23440b65782116124cbdfe8ea9d58ed103f33f15a89b0952b13a

    • SHA512

      ec5c1ba5af7253e494e3ccc7e8f2890c308bcb18e33e5e9bb76e631ada244674598a464a49064e5215780e2330b9f9bbdbe208f5f836432d27428270be275018

    • SSDEEP

      1536:uzRjUdfuRnFe1zy6rzRTa57tmJWb5t4kOuFA/F6NZfhdcAfzOAwqQkGH:7n1lRsx6Wb5tVLd3zOAweGH

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops startup file

    • 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