General

  • Target

    91ee7f57e9509d5b74148c697d5b3872a0104ae8f1eaf12a0b93326b717adf79

  • Size

    1.0MB

  • Sample

    230517-emxcsscf9x

  • MD5

    9a37e874345e3222099a6ed243d6e400

  • SHA1

    bd98549d71807352c3285f5dae41b032963770a9

  • SHA256

    91ee7f57e9509d5b74148c697d5b3872a0104ae8f1eaf12a0b93326b717adf79

  • SHA512

    c3b644c4addcda916470a8ce581844b89315ebf0b562c12f1be653e39515f2863977703bc974ba02fd72e41b9d503cefd8b2aa7c6711d10e553a1b6ccfd86ecd

  • SSDEEP

    12288:eMrXy90YTZnidqlvbUyMOxbKnSBbgaBGKMn8LOIvrnFkaA+QAEthT7xrCJgH8aqp:JyRTBls6bLBBxbA+QrhJrKisCxY

Malware Config

Extracted

Family

redline

Botnet

dusor

C2

185.161.248.25:4132

Attributes
  • auth_value

    b81217cf5a516122d407aeaf79d22948

Targets

    • Target

      91ee7f57e9509d5b74148c697d5b3872a0104ae8f1eaf12a0b93326b717adf79

    • Size

      1.0MB

    • MD5

      9a37e874345e3222099a6ed243d6e400

    • SHA1

      bd98549d71807352c3285f5dae41b032963770a9

    • SHA256

      91ee7f57e9509d5b74148c697d5b3872a0104ae8f1eaf12a0b93326b717adf79

    • SHA512

      c3b644c4addcda916470a8ce581844b89315ebf0b562c12f1be653e39515f2863977703bc974ba02fd72e41b9d503cefd8b2aa7c6711d10e553a1b6ccfd86ecd

    • SSDEEP

      12288:eMrXy90YTZnidqlvbUyMOxbKnSBbgaBGKMn8LOIvrnFkaA+QAEthT7xrCJgH8aqp:JyRTBls6bLBBxbA+QrhJrKisCxY

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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