General

  • Target
    83ff8817ce686209e0a3a63afb62ee80a662f33a3e465eea8a05e85573f727d7.exe
  • Size 482KB
  • Sample240508-mydntsbd35
  • SHA256 83ff8817ce686209e0a3a63afb62ee80a662f33a3e465eea8a05e85573f727d7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      83ff8817ce686209e0a3a63afb62ee80a662f33a3e465eea8a05e85573f727d7.exe
    • Size 482KB
    • SHA256 83ff8817ce686209e0a3a63afb62ee80a662f33a3e465eea8a05e85573f727d7
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Loads dropped DLL

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 1c2f19e57dc72587aa00800a498c5f581b7d6761dc13b24bcf287ea7bd5ca2bf
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks