General

  • Target
    1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe
  • Size 592KB
  • Sample240614-bf16mayflg
  • SHA256 1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.horeca-bucuresti.ro

  • Port

    21

  • Password

    H*TE9iL;x61m

Targets

    • Target
      1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe
    • Size 592KB
    • SHA256 1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • 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 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

    • UPX dump on OEP (original entry point)

    • UPX packed file

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

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Tasks