General

  • Target
    e55fedd6c22acd3a7f5952c827f1dd3c_JaffaCakes118
  • Size 1.3MB
  • Sample240916-xaew4atdlm
  • SHA256 627f8214e9589ca767888fd3a4ad42ad7d0aa1dd422f5006538ed5e422c21f38
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      e55fedd6c22acd3a7f5952c827f1dd3c_JaffaCakes118
    • Size 1.3MB
    • SHA256 627f8214e9589ca767888fd3a4ad42ad7d0aa1dd422f5006538ed5e422c21f38
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks