General

  • Target
    BossFixAgent.exe
  • Size 7.5MB
  • Sample260819-ahcelstbpe
  • SHA256 2c6fb933d140bfd8c92390e9f08113f62bff42c861da29105b20d9980f2e49ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      BossFixAgent.exe
    • Size 7.5MB
    • SHA256 2c6fb933d140bfd8c92390e9f08113f62bff42c861da29105b20d9980f2e49ca
    • 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 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

    • Contacts third-party web service commonly abused for C2

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

    • Looks up external IP address via web service

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

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks