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General

  • Target

    service.exe

  • Size

    1022KB

  • Sample

    230521-kgxz2abf6v

  • MD5

    c5a0317719c3cb69d8be668d4316acc8

  • SHA1

    4f14b25cc6e1385e5434b066a036718c595d33c8

  • SHA256

    f1997bd472ae9496fe8c23f6a93b752f474164b3207b29ccaacf51accfd4a25f

  • SHA512

    1ec4c446a41a6d76d8072b809758ffc580c5a9470251fb788bff3e1c39753b6fbc9de66aafc9a992464d3f54120d06e0dcb6402739d9b305148d53380e38ce44

  • SSDEEP

    24576:ZymJ4w2N7s3HfCoqjPOMlKhW+prm4y6pN7sVJn3yDX+TEOH:MNwOs3HfCoqjPHkhI4NQVJiT+TE

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      service.exe

    • Size

      1022KB

    • MD5

      c5a0317719c3cb69d8be668d4316acc8

    • SHA1

      4f14b25cc6e1385e5434b066a036718c595d33c8

    • SHA256

      f1997bd472ae9496fe8c23f6a93b752f474164b3207b29ccaacf51accfd4a25f

    • SHA512

      1ec4c446a41a6d76d8072b809758ffc580c5a9470251fb788bff3e1c39753b6fbc9de66aafc9a992464d3f54120d06e0dcb6402739d9b305148d53380e38ce44

    • SSDEEP

      24576:ZymJ4w2N7s3HfCoqjPOMlKhW+prm4y6pN7sVJn3yDX+TEOH:MNwOs3HfCoqjPHkhI4NQVJiT+TE

    • 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