General

  • Target

    df41a311d3067515d27b94217771d7bd4dcaa26602cf24fa007da5067f6bf324

  • Size

    1.3MB

  • Sample

    240521-b5tg3seb63

  • MD5

    84cb60e538c93a91ef95b2a86a326214

  • SHA1

    db964bb43c321987e1304e26fd9aec1abd545ba4

  • SHA256

    df41a311d3067515d27b94217771d7bd4dcaa26602cf24fa007da5067f6bf324

  • SHA512

    857a9308d8cda603df16c47b4f382ba4c2116585e4b8d606ff7f7e880ea8df8426ee85e85aecea7655d339c9275abef92f37a8b3ebeddfea1447cef3e2035a21

  • SSDEEP

    12288:5IKWET/mr9K+22BEEzFatn7jO4kqEVSqa/SN948fRKwgRAeOUNXaY8iJPb7yBFwx:xWtb3BEFAuKN+8f8CUNXksXyB1

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

      20052024INV.exe

    • Size

      765KB

    • MD5

      6d905a81e00e45c08d8a01655510df3d

    • SHA1

      2b6f3729d11cb3db0f026bd81e9e003c28a89508

    • SHA256

      ed9bf8853a225553c0bb6dd079a0390d9c34c66d9c6f88da4ccfa7ce95740c48

    • SHA512

      87aac0a731925c24bc8f256a1bad6e9b9c62aa7e4ea87f9daf1a155e10ac60650d2282efa22e32e8601bdfe2cb8f069e5a38910ef041615abe4991671a9751f6

    • SSDEEP

      12288:PIKWET/mr9K+22BEEzFatn7jO4kqEVSqa/SN948fRKwgRAeOUNXaY8iJPb7yBFwx:jWtb3BEFAuKN+8f8CUNXksXyB1

    • 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.

MITRE ATT&CK Enterprise v15

Tasks