General

  • Target

    Nursultan Alpha prem.exe

  • Size

    10.7MB

  • Sample

    240723-2az99asbrn

  • MD5

    3303a25a8e66aa22c7d15f40b0acc6bd

  • SHA1

    0cb0d002b4543b5d4beb79ba8312081c05038664

  • SHA256

    f26718d544a31f58f4ca7f879b0d59c849b5a0ccfbf02019c790b08d11980208

  • SHA512

    267222087a3b3d2115717cc4d8d3377d2e2936176e403fbcfe13c5930c9c5d27165e090a1dd88a7eae0022801057a5590c9a25eaec29bc393d3c7f166470e1cf

  • SSDEEP

    196608:dX4rDmgRiB2V2M0lFOqPy7T5M7ObotgHwI451jSo3OfYiri6od:iWgsB2F0lFOP7Ti6MtKX451jJkxiHd

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:62559

19.ip.gl.ply.gg:62559

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      Nursultan Alpha prem.exe

    • Size

      10.7MB

    • MD5

      3303a25a8e66aa22c7d15f40b0acc6bd

    • SHA1

      0cb0d002b4543b5d4beb79ba8312081c05038664

    • SHA256

      f26718d544a31f58f4ca7f879b0d59c849b5a0ccfbf02019c790b08d11980208

    • SHA512

      267222087a3b3d2115717cc4d8d3377d2e2936176e403fbcfe13c5930c9c5d27165e090a1dd88a7eae0022801057a5590c9a25eaec29bc393d3c7f166470e1cf

    • SSDEEP

      196608:dX4rDmgRiB2V2M0lFOqPy7T5M7ObotgHwI451jSo3OfYiri6od:iWgsB2F0lFOP7Ti6MtKX451jJkxiHd

    • Detect Xworm Payload

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Command and Scripting Interpreter: PowerShell

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

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks