General

  • Target

    readme.exe

  • Size

    1.0MB

  • Sample

    230520-vhg1badf83

  • MD5

    7a82e6dc23cea0d723dd11c3887f5c9c

  • SHA1

    6d1b89ea99d13284c997a8313d81c14d460a6532

  • SHA256

    bfb32177bc5859819b8de2da5247a8a4260a3555590acd4c3d3d438960a489b8

  • SHA512

    bae2818f0e5a8489a138327788d2e999dde78f8a78ebd4f6b1508e64530011f9273d1f411b021c01fc0291f502600a49349f0bd5997235130004e8ef0a92ff73

  • SSDEEP

    24576:vyNIweqlVA5Hmjw4KUbGJSOf19Kn8ICTjm7lm0R:6NIEly5Gjw1UbGJSh8ICTjm7k0

Malware Config

Extracted

Family

redline

Botnet

deren

C2

77.91.68.253:19065

Attributes
  • auth_value

    04a169f1fb198bfbeca74d0e06ea2d54

Targets

    • Target

      readme.exe

    • Size

      1.0MB

    • MD5

      7a82e6dc23cea0d723dd11c3887f5c9c

    • SHA1

      6d1b89ea99d13284c997a8313d81c14d460a6532

    • SHA256

      bfb32177bc5859819b8de2da5247a8a4260a3555590acd4c3d3d438960a489b8

    • SHA512

      bae2818f0e5a8489a138327788d2e999dde78f8a78ebd4f6b1508e64530011f9273d1f411b021c01fc0291f502600a49349f0bd5997235130004e8ef0a92ff73

    • SSDEEP

      24576:vyNIweqlVA5Hmjw4KUbGJSOf19Kn8ICTjm7lm0R:6NIEly5Gjw1UbGJSh8ICTjm7k0

    • 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