General

  • Target

    a815b9dc9f3752c4bde423ed58b020cc7ef37a14fc18b71de803cb2ac3cde584

  • Size

    706KB

  • Sample

    240604-b1kpdahe36

  • MD5

    7d4864ff5549a237a00bf9f48175960c

  • SHA1

    2efc4551b6b4e849b1bb5d8342a7777c42bf1641

  • SHA256

    a815b9dc9f3752c4bde423ed58b020cc7ef37a14fc18b71de803cb2ac3cde584

  • SHA512

    556cb44837db58cb9218c5ca983b9fa9eec21f67777422a178183d338cf0c26df031867b932713ba562ace137edb79a230c1e948542edc6b1acefc65125f5806

  • SSDEEP

    12288:Eo9Kt/rFfatK/yQJGUEybrmnR9JHVaJX1hMoNNdQDh3a1z9GDALTj6Bi+1hcAkCc:p9KN5itYRIL7LSvhMwNdQKZR0x1CO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.klptruck.hu
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kCu}[Z7z+)S[

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.klptruck.hu
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kCu}[Z7z+)S[

Targets

    • Target

      a815b9dc9f3752c4bde423ed58b020cc7ef37a14fc18b71de803cb2ac3cde584

    • Size

      706KB

    • MD5

      7d4864ff5549a237a00bf9f48175960c

    • SHA1

      2efc4551b6b4e849b1bb5d8342a7777c42bf1641

    • SHA256

      a815b9dc9f3752c4bde423ed58b020cc7ef37a14fc18b71de803cb2ac3cde584

    • SHA512

      556cb44837db58cb9218c5ca983b9fa9eec21f67777422a178183d338cf0c26df031867b932713ba562ace137edb79a230c1e948542edc6b1acefc65125f5806

    • SSDEEP

      12288:Eo9Kt/rFfatK/yQJGUEybrmnR9JHVaJX1hMoNNdQDh3a1z9GDALTj6Bi+1hcAkCc:p9KN5itYRIL7LSvhMwNdQKZR0x1CO

    • AgentTesla

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks