General

  • Target

    e228696b8af1361eaf20650144734210f1f3f54e71d427a59811b95e5a72b235

  • Size

    440KB

  • Sample

    240920-bjr25a1bre

  • MD5

    1e72e7572dea2678c9ace9528948d40d

  • SHA1

    5e91ced201035c291a091a31855ff0cf119d5aa3

  • SHA256

    e228696b8af1361eaf20650144734210f1f3f54e71d427a59811b95e5a72b235

  • SHA512

    6164f684a2a23eb3cccc5be7230420590abf9492ba7ca4fb814e1fb3863283fe9f4f08e29ac19349f5e98d31a79746124673f108a5f42c3f665c34e9520c42f2

  • SSDEEP

    6144:g8XXRUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aUd:TnRy+ZyYpaCDJFuPyAHcqrUd

Malware Config

Targets

    • Target

      e228696b8af1361eaf20650144734210f1f3f54e71d427a59811b95e5a72b235

    • Size

      440KB

    • MD5

      1e72e7572dea2678c9ace9528948d40d

    • SHA1

      5e91ced201035c291a091a31855ff0cf119d5aa3

    • SHA256

      e228696b8af1361eaf20650144734210f1f3f54e71d427a59811b95e5a72b235

    • SHA512

      6164f684a2a23eb3cccc5be7230420590abf9492ba7ca4fb814e1fb3863283fe9f4f08e29ac19349f5e98d31a79746124673f108a5f42c3f665c34e9520c42f2

    • SSDEEP

      6144:g8XXRUw9Oz5+iUU03pej1YpTYzOb0kLXhlJFTaLTGu0yvHcr+JB8aUd:TnRy+ZyYpaCDJFuPyAHcqrUd

    • Modifies WinLogon for persistence

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks