General

  • Target

    https://github.com/NightfallGT/Mercurial-Grabber/releases/download/v1.0/Mercurial.Grabber.v1.03.rar

  • Sample

    240328-zd66vsgg28

Malware Config

Targets

    • Target

      https://github.com/NightfallGT/Mercurial-Grabber/releases/download/v1.0/Mercurial.Grabber.v1.03.rar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

MITRE ATT&CK Enterprise v15

Tasks