General

  • Target
    Outstanding INV & SOA.zip
  • Size 907KB
  • Sample260424-r7bcaady5q
  • SHA256 a520e8b636cf330a711c158327140ff4ed9bfc9a46508766362ffde138e024b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.crescentegramas.com.br

  • Port

    21

  • Password

    Virus56@@

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.crescentegramas.com.br

  • Port

    21

  • Password

    Virus56@@

Targets

    • Target
      Outstanding INV & SOA.exe
    • Size 943KB
    • SHA256 3632ac3e08a11a006cc6ceb731eefb16906b55274957424136c9b04aee05fa1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Drops startup file

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks