General

  • Target

    ae875efc238ae5b99dfa008cae980a5022de5dd483a5fcf0a0e18c43ae5c376e

  • Size

    1.0MB

  • Sample

    230521-blsrfafe75

  • MD5

    e1048ad7f181cbab63c88bce040f2559

  • SHA1

    d2d87a274d446985adf97cfcf1f1d9b967f1d952

  • SHA256

    ae875efc238ae5b99dfa008cae980a5022de5dd483a5fcf0a0e18c43ae5c376e

  • SHA512

    2efb0376a5f91b32c5f8f93133ada020fb02e0f6b0e0b63fc322438e1a9460b13b5b1560d8b9942cb9efb4485bf513c20f2cee46711846b99694e0ba5d016392

  • SSDEEP

    24576:NyPN5nIKS5rq6vToB0eAlz5VYTCOJWyZLq+TY5:oPNpKhqQ40vzfECOdZLqo

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      ae875efc238ae5b99dfa008cae980a5022de5dd483a5fcf0a0e18c43ae5c376e

    • Size

      1.0MB

    • MD5

      e1048ad7f181cbab63c88bce040f2559

    • SHA1

      d2d87a274d446985adf97cfcf1f1d9b967f1d952

    • SHA256

      ae875efc238ae5b99dfa008cae980a5022de5dd483a5fcf0a0e18c43ae5c376e

    • SHA512

      2efb0376a5f91b32c5f8f93133ada020fb02e0f6b0e0b63fc322438e1a9460b13b5b1560d8b9942cb9efb4485bf513c20f2cee46711846b99694e0ba5d016392

    • SSDEEP

      24576:NyPN5nIKS5rq6vToB0eAlz5VYTCOJWyZLq+TY5:oPNpKhqQ40vzfECOdZLqo

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks