General

  • Target
    skuld.exe
  • Size 9.8MB
  • Sample241017-dcgzpayeqe
  • SHA256 b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • skuld

C2
  • https://discord.com/api/webhooks/1296302322007146567/s26FESYbNgv6dHTRzvf3V4yWoNeWLchott0cNcCquKmuP8BVU-cT-pNPgpIqbVY4_0uW

Targets

    • Target
      skuld.exe
    • Size 9.8MB
    • SHA256 b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699
    • MD5 SHA1 SHA512 SSDEEP
    • Skuld stealer

      An info stealer written in Go lang.

    • 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

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks