General

  • Target
    0009283Invoice0704202611022.exe
  • Size 445KB
  • Sample260407-pajw2sev2n
  • SHA256 dcdffd85c4610e6701a6e6d06649066dee7671026d4ea8578da7d26cb2439b64
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.dongjln.com

  • Port

    587

  • Password

    LILKOOLL14!

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      0009283Invoice0704202611022.exe
    • Size 445KB
    • SHA256 dcdffd85c4610e6701a6e6d06649066dee7671026d4ea8578da7d26cb2439b64
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks