General

  • Target
    SecuriteInfo.com.Exploit.CVE-2018-0798.4.3965.30353.rtf
  • Size 76KB
  • Sample240219-svt5asfb27
  • SHA256 5a9523bba8e40c9d642fd99e046c4c06ddb7174cb26da584ccc0db4aea139f87
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6888405524:AAFs03Xpn0T6cMtLnkT-8XOF1Lm2jt7RNyI/

Targets

    • Target
      SecuriteInfo.com.Exploit.CVE-2018-0798.4.3965.30353.rtf
    • Size 76KB
    • SHA256 5a9523bba8e40c9d642fd99e046c4c06ddb7174cb26da584ccc0db4aea139f87
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks