General

  • Target

    INVOICE.zip

  • Size

    412KB

  • Sample

    211201-jq1a3sdgg6

  • MD5

    b87ceb8f2ef2d7dbb266b75f78e927c6

  • SHA1

    4cf0048a145b8f88726c749dcd2dc231baeb697e

  • SHA256

    401400d289a4793b90e2bbcb8e9b787f12f690f5405f6409b920a829135c3746

  • SHA512

    bc6f0f884478f07a96cd034639927c4cfa47f6ad0d6e5c176389de402283762885556aed8abef1616bdfd107b1dd84bff2d7f377d96be284c735639d3ba2c3e2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.focuzpartsmart.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fpmabi@2016

Targets

    • Target

      INVOICE.exe

    • Size

      530KB

    • MD5

      6426bbfce0fb5578344e80ea510bafb2

    • SHA1

      6cd2481ce9fcfc58c6fc5405a437f7f639034085

    • SHA256

      b72ebb6d27797219209ba8fdfbbe32447e34919e080af0a0fa31117921ad59b0

    • SHA512

      c70f04f64310f6d5f112a2a36266b69a50918f09f8b33c900b512a7268196fa898c1c1da44b7786cc623c0a2673eff8d2699c9280d3cabf1aea9d27cf1536e06

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks