General

  • Target
    PO.bat.exe
  • Size 760KB
  • Sample241216-prrcfs1pan
  • SHA256 81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.concaribe.com

  • Port

    21

  • Password

    ro}UWgz#!38E

Targets

    • Target
      PO.bat.exe
    • Size 760KB
    • SHA256 81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Agenttesla family

    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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.

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/LangDLL.dll
    • Size 5KB
    • SHA256 f577b66492e97c7b8bf515398d8deb745abafd74f56fc03e67fce248ebbeb873
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks