General

  • Target
    inquiry for quotations35467_PDF_______________________.exe
  • Size 1.7MB
  • Sample201109-1mnqf5gnhs
  • SHA256 fe3dcdbbb57d61e04df490402d1e477ec1a804add945a2287c697b18a2234227
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      inquiry for quotations35467_PDF_______________________.exe
    • Size 1.7MB
    • SHA256 fe3dcdbbb57d61e04df490402d1e477ec1a804add945a2287c697b18a2234227
    • MD5 SHA1 SHA512
    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • UPX packed file

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks