General

  • Target

    ee82a7d799150b129c7e27b8328e987cabf5de9d204b7e028ae2849d92672e20.exe

  • Size

    721KB

  • Sample

    240330-cwcnmsfg95

  • MD5

    e12732b1388792e2376b5ceff0813ce1

  • SHA1

    f6d305a5bc1cb57d98778983eb6d5ee21a291d33

  • SHA256

    ee82a7d799150b129c7e27b8328e987cabf5de9d204b7e028ae2849d92672e20

  • SHA512

    1c902234221b4640e1bfb95f10d7991b4bc619c0045f574df7f4e1cf75218609547f40b7d26e89add0d72a9a98efba25ad2cb010462745c7956abdda0fdfe8f1

  • SSDEEP

    12288:QvLK1+mw78cPd5nuXjcdJrTxi6LarNLXghQAgVJRGHg9D6nj22J3EUfen9HpzifI:Qvi+mU89cd5di2aBQQAgn/8nj22J0W

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fedcraw.org.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    admin123fed

Targets

    • Target

      ee82a7d799150b129c7e27b8328e987cabf5de9d204b7e028ae2849d92672e20.exe

    • Size

      721KB

    • MD5

      e12732b1388792e2376b5ceff0813ce1

    • SHA1

      f6d305a5bc1cb57d98778983eb6d5ee21a291d33

    • SHA256

      ee82a7d799150b129c7e27b8328e987cabf5de9d204b7e028ae2849d92672e20

    • SHA512

      1c902234221b4640e1bfb95f10d7991b4bc619c0045f574df7f4e1cf75218609547f40b7d26e89add0d72a9a98efba25ad2cb010462745c7956abdda0fdfe8f1

    • SSDEEP

      12288:QvLK1+mw78cPd5nuXjcdJrTxi6LarNLXghQAgVJRGHg9D6nj22J3EUfen9HpzifI:Qvi+mU89cd5di2aBQQAgn/8nj22J0W

    • 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 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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