General

  • Target

    1212324699.exe

  • Size

    1.0MB

  • Sample

    230521-mxtnnacc2z

  • MD5

    76ff965949bba424e5edb5b8369a1aca

  • SHA1

    a72aeda108c6412eadb50cb275ccbe4b21472103

  • SHA256

    e4307eefe934c54a9823662fb7ab9fd57fd35db17d629bce87f1fc7b037d0fb8

  • SHA512

    e7932ba8ab95ca0ebd581d83aa0ab22e566f72ac65a095e19d850704bc65fe9b583ea9c287d414ad98258fbf6e28a86e1a618bfaef36974fa2a268d2c5b1ca29

  • SSDEEP

    24576:iy/hyaaHgYj8n/LJqHSct/Qc64MaIlXVkWR+HWD6B:JcB+DJqyO/Qc6taIllks+E6

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      1212324699.exe

    • Size

      1.0MB

    • MD5

      76ff965949bba424e5edb5b8369a1aca

    • SHA1

      a72aeda108c6412eadb50cb275ccbe4b21472103

    • SHA256

      e4307eefe934c54a9823662fb7ab9fd57fd35db17d629bce87f1fc7b037d0fb8

    • SHA512

      e7932ba8ab95ca0ebd581d83aa0ab22e566f72ac65a095e19d850704bc65fe9b583ea9c287d414ad98258fbf6e28a86e1a618bfaef36974fa2a268d2c5b1ca29

    • SSDEEP

      24576:iy/hyaaHgYj8n/LJqHSct/Qc64MaIlXVkWR+HWD6B:JcB+DJqyO/Qc6taIllks+E6

    • 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