General

  • Target

    b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe

  • Size

    635KB

  • Sample

    240612-cg9ptsydkb

  • MD5

    a25d570c2f9692f49d7a94ce04a48eda

  • SHA1

    a45b7681227eff915cd1c39e52b89efdea195ccc

  • SHA256

    b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab

  • SHA512

    cbde93cc02526ea9ef749ee66756a9254a34321c1c35ae8fcd1e190aac5e0519a4f890bf7160c4fa8290743dacce832b8bdc0c8c61026c1b08f212f1fccde91d

  • SSDEEP

    12288:OsFjsY2FrAak3uTgVK5hXBmIIZup4GpDrpQNYHb71/Q6kY+FC3iWn5OB0TkqyJM:OsF4Y4Aak+TgY5hXB7IZuKsCsb7d14Cm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tVNMUR%7

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe

    • Size

      635KB

    • MD5

      a25d570c2f9692f49d7a94ce04a48eda

    • SHA1

      a45b7681227eff915cd1c39e52b89efdea195ccc

    • SHA256

      b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab

    • SHA512

      cbde93cc02526ea9ef749ee66756a9254a34321c1c35ae8fcd1e190aac5e0519a4f890bf7160c4fa8290743dacce832b8bdc0c8c61026c1b08f212f1fccde91d

    • SSDEEP

      12288:OsFjsY2FrAak3uTgVK5hXBmIIZup4GpDrpQNYHb71/Q6kY+FC3iWn5OB0TkqyJM:OsF4Y4Aak+TgY5hXB7IZuKsCsb7d14Cm

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks