General

  • Target

    c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3

  • Size

    758KB

  • Sample

    250117-bre3jaykbk

  • MD5

    c0badb30377bb7b29f79c59c73b663d6

  • SHA1

    ec45f650580b5904eb02163948a5372c96fe5dc7

  • SHA256

    c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3

  • SHA512

    eed04791a3a726d617bfdfbfa7c67a44cb268258b4810c93d3c5b8497db56efe6ee56cb6db0a1e465f975e235463d078aea905e9ae0cd7877b0fde72e05e464e

  • SSDEEP

    6144:ZWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9D21:Zz7IFjvelQypyfy7z6u7+4Dv9D21

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Targets

    • Target

      c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3

    • Size

      758KB

    • MD5

      c0badb30377bb7b29f79c59c73b663d6

    • SHA1

      ec45f650580b5904eb02163948a5372c96fe5dc7

    • SHA256

      c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3

    • SHA512

      eed04791a3a726d617bfdfbfa7c67a44cb268258b4810c93d3c5b8497db56efe6ee56cb6db0a1e465f975e235463d078aea905e9ae0cd7877b0fde72e05e464e

    • SSDEEP

      6144:ZWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9D21:Zz7IFjvelQypyfy7z6u7+4Dv9D21

    • 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

    • 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