General

  • Target

    69a4737ab33facc809457a6bfa0aa2f2.exe

  • Size

    652KB

  • Sample

    210920-wkqkxaega4

  • MD5

    69a4737ab33facc809457a6bfa0aa2f2

  • SHA1

    2dcedfdbcf527eb6680b4c4bce6f791b2681cae3

  • SHA256

    cde036f2afa7aab3e775edf993ec455176f25bba3dd9440d0853945e425131a3

  • SHA512

    08392e93d26da7a82e579fd53f9c0808cf081f970e36d3cd53f04c588d3f7fe6b5dbe837b521f8ff135399799fa9aa109d7f4772c56f0bc6fd4fe0349f85a367

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CXXOxCs5

Targets

    • Target

      69a4737ab33facc809457a6bfa0aa2f2.exe

    • Size

      652KB

    • MD5

      69a4737ab33facc809457a6bfa0aa2f2

    • SHA1

      2dcedfdbcf527eb6680b4c4bce6f791b2681cae3

    • SHA256

      cde036f2afa7aab3e775edf993ec455176f25bba3dd9440d0853945e425131a3

    • SHA512

      08392e93d26da7a82e579fd53f9c0808cf081f970e36d3cd53f04c588d3f7fe6b5dbe837b521f8ff135399799fa9aa109d7f4772c56f0bc6fd4fe0349f85a367

    • AgentTesla

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

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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