General

  • Target

    2e227aa4adc1f1786e57b7b5e45c136961449bb97c1dad4a0c12a2ea8160598b

  • Size

    1022KB

  • Sample

    230521-ryr9faae75

  • MD5

    4b3e44b602ae08df703d909c19e02877

  • SHA1

    191245908345c3c3d9544f3048bd188b6e318f42

  • SHA256

    2e227aa4adc1f1786e57b7b5e45c136961449bb97c1dad4a0c12a2ea8160598b

  • SHA512

    7080bddd7d03ab516bb9a0de7e49a32fb25c1a2b03e67cbf2a8aa9c7c523a1f77802c090310b7a6e8a7e05e825a1cc33c5ef04c600eb91e866d03c3810cc8bca

  • SSDEEP

    24576:lyZAEn0txPHIUnqYE5R3lI0rwtQ5nUvZ5u26wmATBJdq:AZhiPHIUnqYEHV1+d5u26G

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      2e227aa4adc1f1786e57b7b5e45c136961449bb97c1dad4a0c12a2ea8160598b

    • Size

      1022KB

    • MD5

      4b3e44b602ae08df703d909c19e02877

    • SHA1

      191245908345c3c3d9544f3048bd188b6e318f42

    • SHA256

      2e227aa4adc1f1786e57b7b5e45c136961449bb97c1dad4a0c12a2ea8160598b

    • SHA512

      7080bddd7d03ab516bb9a0de7e49a32fb25c1a2b03e67cbf2a8aa9c7c523a1f77802c090310b7a6e8a7e05e825a1cc33c5ef04c600eb91e866d03c3810cc8bca

    • SSDEEP

      24576:lyZAEn0txPHIUnqYE5R3lI0rwtQ5nUvZ5u26wmATBJdq:AZhiPHIUnqYEHV1+d5u26G

    • 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