General

  • Target

    a6dd566155d73f0f88bd9967205b5eda136cf2fb11ec1807aa0100d0a0cfbdce

  • Size

    335KB

  • Sample

    250125-bsg9aaykds

  • MD5

    e207d2f637cdac37a18763cf8393c71c

  • SHA1

    6f0c5f08e62fedf0e5934bd3a81bba4879d135f9

  • SHA256

    a6dd566155d73f0f88bd9967205b5eda136cf2fb11ec1807aa0100d0a0cfbdce

  • SHA512

    3ac6be8c024de45de82ea72b23c1a3902adb3c957c6f00e3507504a48f1555e2cf39745df3b4593fb1e26f6bda7d3d2af3c07227431c918ced2c559bf0f235d1

  • SSDEEP

    6144:CWFjb9kuGGNy6CaaH7WbpGh1KWCk7nGVh3ZeC5zhvh9hBj+U8/xy8TpaPf61d:99kWtCaw7OGpl7nQJeCZ9C/NAf61d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Targets

    • Target

      Dhl shipment documents 00020494940050509606000.exe

    • Size

      476KB

    • MD5

      e045c8326ee8ee3a255224d143be1c01

    • SHA1

      b2d23c0a444317b06a6f2339df790a49dd6d994c

    • SHA256

      1f7c1d0d5149d693543f2788b8a4e5c64864077b0617c40ac9d90437d2fcd947

    • SHA512

      8c3a92f558ec3364c571dd5864ffef8d21d888923ac103e1824ac646aa3b2073479d50c1178e94c2e1269289e347f9e0f4d6aee89a3277ff9117718089d66c40

    • SSDEEP

      12288:KnU51Fb/VSUE9H2sHHVsgQt/1+1hzWXp8NDc:0F1HHVs7tA1ZWXp

    • AgentTesla

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

    • Agenttesla family

    • 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