General

  • Target

    5b5fee64edbf23f3c15af5bb442b154301b97fa2524c54d9a26e69c189cd556e

  • Size

    1021KB

  • Sample

    230521-y72b2afb4w

  • MD5

    33b69d47db36c48ad4b9d43c6317614b

  • SHA1

    4b55d87a1ac713b4207eb94bb4037c2574baf519

  • SHA256

    5b5fee64edbf23f3c15af5bb442b154301b97fa2524c54d9a26e69c189cd556e

  • SHA512

    2e80135da7dfea585828eb9b1b84ed6580f69734545f0bbdd981748c29aaeff993348639bbe3f94de3ee8ed9ad67dd1319c787253448e9fb709fecb08276e842

  • SSDEEP

    24576:iyThwc/TyvpqvQbnNO11PF0hyCZkSUTS81lq7lFQGhrxF+vbRG8urH:JT0vpqvOOXF0I+kSES81ojQGMkr

Malware Config

Extracted

Family

redline

Botnet

luza

C2

185.161.248.37:4138

Attributes
  • auth_value

    1261701914d508e02e8b4f25d38bc7f9

Targets

    • Target

      5b5fee64edbf23f3c15af5bb442b154301b97fa2524c54d9a26e69c189cd556e

    • Size

      1021KB

    • MD5

      33b69d47db36c48ad4b9d43c6317614b

    • SHA1

      4b55d87a1ac713b4207eb94bb4037c2574baf519

    • SHA256

      5b5fee64edbf23f3c15af5bb442b154301b97fa2524c54d9a26e69c189cd556e

    • SHA512

      2e80135da7dfea585828eb9b1b84ed6580f69734545f0bbdd981748c29aaeff993348639bbe3f94de3ee8ed9ad67dd1319c787253448e9fb709fecb08276e842

    • SSDEEP

      24576:iyThwc/TyvpqvQbnNO11PF0hyCZkSUTS81lq7lFQGhrxF+vbRG8urH:JT0vpqvOOXF0I+kSES81ojQGMkr

    • 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