General

  • Target

    0ce92c69d3ae2eb48177fdfc3bdb6f92

  • Size

    18KB

  • Sample

    220927-yzqwbsfefm

  • MD5

    0ce92c69d3ae2eb48177fdfc3bdb6f92

  • SHA1

    226a04ab66d4c8157eefd3489e47991a29e66416

  • SHA256

    bfecb0f0883945eeef30b2282d11745ad90030cd3887d63b17b7dd08dcb04d8b

  • SHA512

    76254f216d8c7c21885bb6178e37016288ebd3f8248c5b90125acccb50f69323becbc70b95465ba4cdffdcf6fcccd77b60026f778417cbeff405e8ee33ffd4e5

  • SSDEEP

    384:gu9S523ZZ+yG8UxMPJfKSvsgip1gAMI3jpeU1UBz3:T9SiPG8UUJfKkEp1OojpsB7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.xy4fltness.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    FXAGE@C9

Targets

    • Target

      Revised PI.doc

    • Size

      12KB

    • MD5

      4e253e5033611ce12951270da35533ad

    • SHA1

      6b53acb30e886b8c9f28e90ff53da88d5c1b7cc7

    • SHA256

      11cb3310f51dc8a6e4ebce06a520344e39ef3b1eba3244ca5b76a15c9d81aafe

    • SHA512

      ad8d82f869fbe91a12281f0ff13e784633e4e442e6ea06d20026484d813dede0bab777117ffe4c2bd5eb972628417b0845ef8a6649c319a21d8ac0aa2606605d

    • SSDEEP

      192:YweFxa73WKE5AxD3NKMzreoquisPK1AKYKQkVxFLLXm8kxIftZ:O+/1PSHVznWotZ

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks