General

  • Target

    052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d.exe.exe

  • Size

    1.1MB

  • Sample

    240922-zpc26awfrf

  • MD5

    ab65b7407318c476a31d5204caef97af

  • SHA1

    a44440efa36f7c024f26e00ccee50671abc36ad9

  • SHA256

    052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d

  • SHA512

    cb452ba020a4eb620110909d6f62ff8747a61acee2e6dab6388b0d08f534e4464e647f63d93a11183ee6b95ff2af62002e1fc03279718385beac820039339d07

  • SSDEEP

    24576:6NA3R5drXdtMxKuUStJxZ8uYWaR3g5a58/JB12mI08qpMY5aRcKXwZ3cMY:z5bluUYD84adg5SkJB12NqG2aMZ3tY

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    akunaesiobike

Targets

    • Target

      052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d.exe.exe

    • Size

      1.1MB

    • MD5

      ab65b7407318c476a31d5204caef97af

    • SHA1

      a44440efa36f7c024f26e00ccee50671abc36ad9

    • SHA256

      052b9d39fc2e8571f1b8319a832d3ab9ee066b19c037900d3e1ab29f5616621d

    • SHA512

      cb452ba020a4eb620110909d6f62ff8747a61acee2e6dab6388b0d08f534e4464e647f63d93a11183ee6b95ff2af62002e1fc03279718385beac820039339d07

    • SSDEEP

      24576:6NA3R5drXdtMxKuUStJxZ8uYWaR3g5a58/JB12mI08qpMY5aRcKXwZ3cMY:z5bluUYD84adg5SkJB12NqG2aMZ3tY

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks