General

  • Target

    Builder.bat

  • Size

    7.6MB

  • Sample

    250112-meyvna1ldp

  • MD5

    3ae95e32d3652a593b061fc47afb506a

  • SHA1

    4ccd78e7297b1b6fce59f52802de556f0f16af0c

  • SHA256

    8b1afd9a10409e82dbd2b39e916671b19169c9fa2fb40a395d6e406e70eb7dda

  • SHA512

    4aeb4188d32dd48e3a179dfc0b0ef23b07564abcade93af544dea93525ab82c8c2f44331a3550a75967cf442ed4d1b76772362891adeea9b32c9f55a7cc4536f

  • SSDEEP

    196608:aaD+kdswfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWj:95hIHL7HmBYXrYoaUNI

Malware Config

Targets

    • Target

      Builder.bat

    • Size

      7.6MB

    • MD5

      3ae95e32d3652a593b061fc47afb506a

    • SHA1

      4ccd78e7297b1b6fce59f52802de556f0f16af0c

    • SHA256

      8b1afd9a10409e82dbd2b39e916671b19169c9fa2fb40a395d6e406e70eb7dda

    • SHA512

      4aeb4188d32dd48e3a179dfc0b0ef23b07564abcade93af544dea93525ab82c8c2f44331a3550a75967cf442ed4d1b76772362891adeea9b32c9f55a7cc4536f

    • SSDEEP

      196608:aaD+kdswfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWj:95hIHL7HmBYXrYoaUNI

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • 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