General

  • Target

    contract invoice.exe

  • Size

    540KB

  • Sample

    200709-mhhvx54epj

  • MD5

    761f108a69b4cdc62d7f292ca993f1e9

  • SHA1

    60c25003c56b4d96aa7c4df8ee4eaa7dfc0f9f2b

  • SHA256

    d9a1fcb2c4fcc8b357ae72a6e3135101e2c15d4c60791df8ce8dd4464d270339

  • SHA512

    bc8efd16da5c920417bc5dfd42f11b47d29d5e752202796a1f5f30b429327b4ba05f913dad75b92bc91b11a845c1a2622dfe9f804c4cde7956879d7505bf3705

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Targets

    • Target

      contract invoice.exe

    • Size

      540KB

    • MD5

      761f108a69b4cdc62d7f292ca993f1e9

    • SHA1

      60c25003c56b4d96aa7c4df8ee4eaa7dfc0f9f2b

    • SHA256

      d9a1fcb2c4fcc8b357ae72a6e3135101e2c15d4c60791df8ce8dd4464d270339

    • SHA512

      bc8efd16da5c920417bc5dfd42f11b47d29d5e752202796a1f5f30b429327b4ba05f913dad75b92bc91b11a845c1a2622dfe9f804c4cde7956879d7505bf3705

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks