General

  • Target
    client_build (1).exe
  • Size 605KB
  • Sample260929-3as2lsszhy
  • SHA256 b9bffd213bd6b3f14692f1f5cf0196f614bbe611b9bce5032e6fba221b77aa5b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      client_build (1).exe
    • Size 605KB
    • SHA256 b9bffd213bd6b3f14692f1f5cf0196f614bbe611b9bce5032e6fba221b77aa5b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks