General

  • Target

    Shipping Documents.exe

  • Size

    652KB

  • Sample

    200713-kclj8dg392

  • MD5

    9ad127f4f4d28ea19395cb16c194f23d

  • SHA1

    21ce15a2f1ee49d7420ea368e51cf92b61028a4c

  • SHA256

    9c1f76b540f055b2b6131cde2f6896e73f3e0170070c0551d90d20364156d32c

  • SHA512

    b3e6f896c4d0747e0d575b1abc63eb96eb0cd791bce21275c44b58731494fa143f1ba03ea6185ee1d3c25366c32e8b26bdefdd4624f0f9780e3e8fcc64665d13

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikechukwu112

Targets

    • Target

      Shipping Documents.exe

    • Size

      652KB

    • MD5

      9ad127f4f4d28ea19395cb16c194f23d

    • SHA1

      21ce15a2f1ee49d7420ea368e51cf92b61028a4c

    • SHA256

      9c1f76b540f055b2b6131cde2f6896e73f3e0170070c0551d90d20364156d32c

    • SHA512

      b3e6f896c4d0747e0d575b1abc63eb96eb0cd791bce21275c44b58731494fa143f1ba03ea6185ee1d3c25366c32e8b26bdefdd4624f0f9780e3e8fcc64665d13

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Loads dropped DLL

    • 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 v6

Tasks