General

  • Target
    5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe
  • Size 2.7MB
  • Sample240511-bsdabsfh92
  • SHA256 5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.gencoldfire.com

  • Port

    587

  • Password

    mh7B/7[hSO#bYHw1

Targets

    • Target
      5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe
    • Size 2.7MB
    • SHA256 5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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 SmartAssembly

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks