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General

  • Target

    8c0681e76f9cc9452a5cc902ab0bf25d8819436e275adb99d61d30ce171679c0

  • Size

    1.0MB

  • Sample

    230520-b2wg9shf48

  • MD5

    b75ffe955c6f8662d5eaf6af0f62a83b

  • SHA1

    1dc6691bdead31c40a57cb14310140173e80465d

  • SHA256

    8c0681e76f9cc9452a5cc902ab0bf25d8819436e275adb99d61d30ce171679c0

  • SHA512

    b9377ed421476304f2c04cefe87c6a47e287421e7d7b825c2429532ad76afd4171fb9930e049e1bf661174e9e78bd0221beb7b62141514298f88f1fdcbe3241f

  • SSDEEP

    24576:xyk9SNyn9GyEu3mkQUKYzGPsCmwlQoBFd:kbIn9GjnYglQoB

Malware Config

Extracted

Family

redline

Botnet

meren

C2

77.91.68.253:19065

Attributes
  • auth_value

    a26557b435e44b55fdd4708fbba97d21

Targets

    • Target

      8c0681e76f9cc9452a5cc902ab0bf25d8819436e275adb99d61d30ce171679c0

    • Size

      1.0MB

    • MD5

      b75ffe955c6f8662d5eaf6af0f62a83b

    • SHA1

      1dc6691bdead31c40a57cb14310140173e80465d

    • SHA256

      8c0681e76f9cc9452a5cc902ab0bf25d8819436e275adb99d61d30ce171679c0

    • SHA512

      b9377ed421476304f2c04cefe87c6a47e287421e7d7b825c2429532ad76afd4171fb9930e049e1bf661174e9e78bd0221beb7b62141514298f88f1fdcbe3241f

    • SSDEEP

      24576:xyk9SNyn9GyEu3mkQUKYzGPsCmwlQoBFd:kbIn9GjnYglQoB

    • 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