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General

  • Target

    2ec71c27218baaad7af920cc4fe92098b55ae116687993090e177c2724218ef6

  • Size

    1.0MB

  • Sample

    230520-ernw8adb2z

  • MD5

    f9fc818bf43201a9fe574983751c6da3

  • SHA1

    85fa460eb1fc13dcf37d9f9a106d9a30c788055f

  • SHA256

    2ec71c27218baaad7af920cc4fe92098b55ae116687993090e177c2724218ef6

  • SHA512

    0f641090c927c4f2630a76b59609695c203102aa27a201c335e439cd0b67941dc889a96414587b7e0c0761e59aa4d684e721b4feea05116a51f5e32a9a509a2a

  • SSDEEP

    24576:SyDTp/Uo1cza/KmJVDnWSgPkie4KCmKwllZqV2zX4B:5DVb7tJxZgPeC0q0zX

Malware Config

Extracted

Family

redline

Botnet

meren

C2

77.91.68.253:19065

Attributes
  • auth_value

    a26557b435e44b55fdd4708fbba97d21

Targets

    • Target

      2ec71c27218baaad7af920cc4fe92098b55ae116687993090e177c2724218ef6

    • Size

      1.0MB

    • MD5

      f9fc818bf43201a9fe574983751c6da3

    • SHA1

      85fa460eb1fc13dcf37d9f9a106d9a30c788055f

    • SHA256

      2ec71c27218baaad7af920cc4fe92098b55ae116687993090e177c2724218ef6

    • SHA512

      0f641090c927c4f2630a76b59609695c203102aa27a201c335e439cd0b67941dc889a96414587b7e0c0761e59aa4d684e721b4feea05116a51f5e32a9a509a2a

    • SSDEEP

      24576:SyDTp/Uo1cza/KmJVDnWSgPkie4KCmKwllZqV2zX4B:5DVb7tJxZgPeC0q0zX

    • 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