Overview

overview

10

Static

static

3

Ynstr.exe

windows7-x64

10

Ynstr.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Ynstr.exe
  • Size 718KB
  • Sample240212-n7fefsed98
  • SHA256 f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
agentteslazgratkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.emulines.biz
  • Port

    587
  • Username

    [email protected]
  • Password

    7FZLGL7DTG0F

Targets

    • Target
      Ynstr.exe
    • Size 718KB
    • SHA256 f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    agentteslazgratkeyloggerpersistenceratspywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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 SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks