General

  • Target

    99242642.exe

  • Size

    1.0MB

  • Sample

    230521-m8j9cshf94

  • MD5

    24e15c447add4297caed1f6ca1416863

  • SHA1

    7046418c326ce8b8106827ac7086254b65d734e6

  • SHA256

    092fa6f6b9e9ddb985e913b3f40d6ae4728c4eb03b5b995493414a47ce8220bb

  • SHA512

    b55447b548bfc4ae889bf2482f69334c4dcd7295cc9cdbb6ff3bbccef822470ec07b24ec74a1e7f33d232bc46a53667f58d1bf64b31ad7d34769ca6892eba261

  • SSDEEP

    24576:wyhvYIDlQIjN4vqu9kiy/eYqeyUG83rc:3hvYICIjmvqwkH/7nyUG83

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      99242642.exe

    • Size

      1.0MB

    • MD5

      24e15c447add4297caed1f6ca1416863

    • SHA1

      7046418c326ce8b8106827ac7086254b65d734e6

    • SHA256

      092fa6f6b9e9ddb985e913b3f40d6ae4728c4eb03b5b995493414a47ce8220bb

    • SHA512

      b55447b548bfc4ae889bf2482f69334c4dcd7295cc9cdbb6ff3bbccef822470ec07b24ec74a1e7f33d232bc46a53667f58d1bf64b31ad7d34769ca6892eba261

    • SSDEEP

      24576:wyhvYIDlQIjN4vqu9kiy/eYqeyUG83rc:3hvYICIjmvqwkH/7nyUG83

    • 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