General

  • Target

    d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462

  • Size

    663KB

  • Sample

    250117-bh8ngsxlbs

  • MD5

    99aeb2bd221f1002d08f9b226bf5063f

  • SHA1

    3e9e671f3115c062920e4cbe7185ba879877f39b

  • SHA256

    d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462

  • SHA512

    4a782bccfdd66b9d3c5b3760bfe8faa93970235c9fe9aa22a7d565ab5d7f411d80ad6b6400a15320700d038605cddce5a2dadc95a3d6f87419297b928627eca9

  • SSDEEP

    6144:RWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Am/v1:Rz7IFjvelQypyfy7z6u7+4D37Am/v1

Malware Config

Extracted

Credentials

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

Targets

    • Target

      d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462

    • Size

      663KB

    • MD5

      99aeb2bd221f1002d08f9b226bf5063f

    • SHA1

      3e9e671f3115c062920e4cbe7185ba879877f39b

    • SHA256

      d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462

    • SHA512

      4a782bccfdd66b9d3c5b3760bfe8faa93970235c9fe9aa22a7d565ab5d7f411d80ad6b6400a15320700d038605cddce5a2dadc95a3d6f87419297b928627eca9

    • SSDEEP

      6144:RWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Am/v1:Rz7IFjvelQypyfy7z6u7+4D37Am/v1

    • 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