General

  • Target

    TZx.exe

  • Size

    7.4MB

  • Sample

    250116-pf7kas1jhm

  • MD5

    172ac8ac9227cd144ffdf28657905440

  • SHA1

    4dd0b266e75c97fbba84f3a42e649b013ecc63e8

  • SHA256

    92f71cbbbfe80ed232a393eb4092f11cc98e074ec0fc5066ff3643c477b1d327

  • SHA512

    dda6f5aa6ad1df5fee7a28439b6c0b78f9a8a8ad52040f9b49c1923e2fe869a918ce536daae93767e757726f076b501d26dbb366ab644a4476832c312d3b5481

  • SSDEEP

    196608:nD0cD1iPeLjv+bhqNVoBKUh8mz4Iv9PPv1DVWhg:Yi0qL+9qz8/b4IRv3Whg

Malware Config

Extracted

Family

xworm

C2

trip-thesaurus.gl.at.ply.gg:16715

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      TZx.exe

    • Size

      7.4MB

    • MD5

      172ac8ac9227cd144ffdf28657905440

    • SHA1

      4dd0b266e75c97fbba84f3a42e649b013ecc63e8

    • SHA256

      92f71cbbbfe80ed232a393eb4092f11cc98e074ec0fc5066ff3643c477b1d327

    • SHA512

      dda6f5aa6ad1df5fee7a28439b6c0b78f9a8a8ad52040f9b49c1923e2fe869a918ce536daae93767e757726f076b501d26dbb366ab644a4476832c312d3b5481

    • SSDEEP

      196608:nD0cD1iPeLjv+bhqNVoBKUh8mz4Iv9PPv1DVWhg:Yi0qL+9qz8/b4IRv3Whg

    • 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.

    • Clipboard Data

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

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks