General

  • Target

    https://top4top.s3.eu-central-2.wasabisys.com/anonymous/6oii4cLginWtYnQ_1722410943.rar?response-content-disposition=attachment%3B%20filename%3D%22TOOLS.rar%22&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=B77KQ8UE8YY8QFEKNSEN%2F20240801%2Feu-central-2%2Fs3%2Faws4_request&X-Amz-Date=20240801T205729Z&X-Amz-SignedHeaders=host&X-Amz-Expires=3600&X-Amz-Signature=3b5a55191dd2b5501a7f62d06e0698f7e2277a27166870a66d00445b146c353a

  • Sample

    240801-zshf2szhqf

Malware Config

Targets

    • Target

      https://top4top.s3.eu-central-2.wasabisys.com/anonymous/6oii4cLginWtYnQ_1722410943.rar?response-content-disposition=attachment%3B%20filename%3D%22TOOLS.rar%22&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=B77KQ8UE8YY8QFEKNSEN%2F20240801%2Feu-central-2%2Fs3%2Faws4_request&X-Amz-Date=20240801T205729Z&X-Amz-SignedHeaders=host&X-Amz-Expires=3600&X-Amz-Signature=3b5a55191dd2b5501a7f62d06e0698f7e2277a27166870a66d00445b146c353a

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Drops startup file

    • 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.

    • UPX packed file

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks