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General

  • Target

    ChromeX.exe

  • Size

    194KB

  • Sample

    240625-c5j43szcmr

  • MD5

    a1e62820b5ef69092346f3d9db6fd9ac

  • SHA1

    ac2ef78ee68befd3cf26ca87d9e8e6311796e908

  • SHA256

    827d6cec5db8ba1d6465bf99d1565259a96804840964aed7e2de4594b482b955

  • SHA512

    3e4358a010c3ea67151529a619981d92ca2e43145d8928835b27562d4ec7fa480bf1b008fe0a826997a0528f7526eaf08669b1de00655293a47bef28052ee88f

  • SSDEEP

    3072:O6Ok77/lR+b+rAzOnXTBg4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvU:0k77/yb+sqBggVqwlL

Malware Config

Extracted

Family

xworm

C2

downloads-pumps.gl.at.ply.gg:42186

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      ChromeX.exe

    • Size

      194KB

    • MD5

      a1e62820b5ef69092346f3d9db6fd9ac

    • SHA1

      ac2ef78ee68befd3cf26ca87d9e8e6311796e908

    • SHA256

      827d6cec5db8ba1d6465bf99d1565259a96804840964aed7e2de4594b482b955

    • SHA512

      3e4358a010c3ea67151529a619981d92ca2e43145d8928835b27562d4ec7fa480bf1b008fe0a826997a0528f7526eaf08669b1de00655293a47bef28052ee88f

    • SSDEEP

      3072:O6Ok77/lR+b+rAzOnXTBg4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvU:0k77/yb+sqBggVqwlL

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

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

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks