General

  • Target
    18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
  • Size 10.7MB
  • Sample241103-csbbea1qay
  • SHA256 18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
    • Size 10.7MB
    • SHA256 18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Monster Stealer.

    • 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.

    • Exelastealer family

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

    • Monster family

    • Grants admin privileges

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

    • Modifies Windows Firewall

    • 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.

    • 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