General

  • Target

    reader716.exe

  • Size

    1.0MB

  • Sample

    230521-m3qh7acc9s

  • MD5

    21c2fa70df0be2e03920357e78fef688

  • SHA1

    9aad1b25b1bbd8fa1fdbf2100c5102797379911f

  • SHA256

    3e4c8b0418b6b3b6243449f74ed099fa773e9f555d138583888a4a2d9d3542ab

  • SHA512

    6131838b483938614f60cc38aece320e401addaef6490113b707cf423588f2e62993aa0a1ea3206cb8a690499d373baa91667c400252cf2da71da0476580a2f7

  • SSDEEP

    24576:5yGlBlf1cTAd9/tN89RyGxhBtd5qRrz6a61HpQYO49qIE+:s07lKyGxP7UFugYO+

Malware Config

Extracted

Family

redline

Botnet

diza

C2

185.161.248.37:4138

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Targets

    • Target

      reader716.exe

    • Size

      1.0MB

    • MD5

      21c2fa70df0be2e03920357e78fef688

    • SHA1

      9aad1b25b1bbd8fa1fdbf2100c5102797379911f

    • SHA256

      3e4c8b0418b6b3b6243449f74ed099fa773e9f555d138583888a4a2d9d3542ab

    • SHA512

      6131838b483938614f60cc38aece320e401addaef6490113b707cf423588f2e62993aa0a1ea3206cb8a690499d373baa91667c400252cf2da71da0476580a2f7

    • SSDEEP

      24576:5yGlBlf1cTAd9/tN89RyGxhBtd5qRrz6a61HpQYO49qIE+:s07lKyGxP7UFugYO+

    • 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