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General

  • Target

    64b40a5440f9be1efe32c422f8fc0ee3ef328885e9b96298ef055b9ff3220385

  • Size

    1.0MB

  • Sample

    230521-rtbe5aae56

  • MD5

    5932603eaa23449d9e18c8afff821bba

  • SHA1

    c21ca3ad003762e533916922cea4ed3dae87c1d8

  • SHA256

    64b40a5440f9be1efe32c422f8fc0ee3ef328885e9b96298ef055b9ff3220385

  • SHA512

    89391eb01a7034b54942cacd2ac0e9cb0cf104ae478f957b80e1e37d0900f055782475fb299e20b39a2b552a554d6fac86fdbb5ba0fc77fcbfbf00ba53cfd6c6

  • SSDEEP

    24576:5y5g788fMJbBrrW6qauDMW7g/IUuFkUX7+s:syHfMhBvW6qa2t8/qkUXy

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      64b40a5440f9be1efe32c422f8fc0ee3ef328885e9b96298ef055b9ff3220385

    • Size

      1.0MB

    • MD5

      5932603eaa23449d9e18c8afff821bba

    • SHA1

      c21ca3ad003762e533916922cea4ed3dae87c1d8

    • SHA256

      64b40a5440f9be1efe32c422f8fc0ee3ef328885e9b96298ef055b9ff3220385

    • SHA512

      89391eb01a7034b54942cacd2ac0e9cb0cf104ae478f957b80e1e37d0900f055782475fb299e20b39a2b552a554d6fac86fdbb5ba0fc77fcbfbf00ba53cfd6c6

    • SSDEEP

      24576:5y5g788fMJbBrrW6qauDMW7g/IUuFkUX7+s:syHfMhBvW6qa2t8/qkUXy

    • 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