General

  • Target
    519ca17094fb9a2c019ca09f37ffd31cc2175456597c7abb642b7b66db6d0419
  • Size 25KB
  • Sample240306-ypaflagc58
  • SHA256 519ca17094fb9a2c019ca09f37ffd31cc2175456597c7abb642b7b66db6d0419
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      519ca17094fb9a2c019ca09f37ffd31cc2175456597c7abb642b7b66db6d0419
    • Size 25KB
    • SHA256 519ca17094fb9a2c019ca09f37ffd31cc2175456597c7abb642b7b66db6d0419
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Contacts a large (4050) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables packed with or use KoiVM

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • 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 v15

Tasks