General

  • Target

    Built.exe

  • Size

    7.6MB

  • Sample

    250221-bzvsys1qt6

  • MD5

    bb9461d11a6835380f24249a1d4d5092

  • SHA1

    ec8ef8c1c00c26cd53c209be7e7545a733404110

  • SHA256

    793cb495d2aa27c2ec908d6122b3ef1015f6894e833f93d3e4e8ed4de6d71909

  • SHA512

    b6bdaed6bee5ec918dc44eb27bb34fe151e57e59cf75a2e73a3306f53943b40b918cb2f91a819aa6d21682c2a8a0b4c036f95fd55a74224cbc5157e61cbb7755

  • SSDEEP

    196608:gW4DhwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWY:KiIHL7HmBYXrYoaUNH

Malware Config

Targets

    • Target

      Built.exe

    • Size

      7.6MB

    • MD5

      bb9461d11a6835380f24249a1d4d5092

    • SHA1

      ec8ef8c1c00c26cd53c209be7e7545a733404110

    • SHA256

      793cb495d2aa27c2ec908d6122b3ef1015f6894e833f93d3e4e8ed4de6d71909

    • SHA512

      b6bdaed6bee5ec918dc44eb27bb34fe151e57e59cf75a2e73a3306f53943b40b918cb2f91a819aa6d21682c2a8a0b4c036f95fd55a74224cbc5157e61cbb7755

    • SSDEEP

      196608:gW4DhwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWY:KiIHL7HmBYXrYoaUNH

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • 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

    • 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