General

  • Target

    fd38d71f20692a784cc633702e3a09a5a419bb113f72b93c8e8bd1141adff814

  • Size

    644KB

  • Sample

    241119-bm4kbsyhmn

  • MD5

    233cbd14d5ddc154af32051ed8c4cf30

  • SHA1

    5433a9aca012f007b94fba9ea88a40b6c74fc284

  • SHA256

    fd38d71f20692a784cc633702e3a09a5a419bb113f72b93c8e8bd1141adff814

  • SHA512

    b8a4a77fb8c8c36a375c27e74d37e91f8aba13bd96215876a0e438aefd3a8312d8d3ef3a27b340d31ef13daf66ebebeff53c3a023a7bfa7b1a8847f1b3d4dbf6

  • SSDEEP

    12288:NUY/s0yMnHFwms+82k1eHIecCTb9ODqhT4IT3hTy+9vsHvVz:j1nlwmL82k1eHqi6A0ITlyqG

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Targets

    • Target

      fd38d71f20692a784cc633702e3a09a5a419bb113f72b93c8e8bd1141adff814

    • Size

      644KB

    • MD5

      233cbd14d5ddc154af32051ed8c4cf30

    • SHA1

      5433a9aca012f007b94fba9ea88a40b6c74fc284

    • SHA256

      fd38d71f20692a784cc633702e3a09a5a419bb113f72b93c8e8bd1141adff814

    • SHA512

      b8a4a77fb8c8c36a375c27e74d37e91f8aba13bd96215876a0e438aefd3a8312d8d3ef3a27b340d31ef13daf66ebebeff53c3a023a7bfa7b1a8847f1b3d4dbf6

    • SSDEEP

      12288:NUY/s0yMnHFwms+82k1eHIecCTb9ODqhT4IT3hTy+9vsHvVz:j1nlwmL82k1eHqi6A0ITlyqG

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks