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General

  • Target

    app505.exe

  • Size

    1.0MB

  • Sample

    230521-xkts1abg83

  • MD5

    0acaeccb230c0d5aec117a471c1dca84

  • SHA1

    55179af371986e97dde6e4470f755a6b0d2a9841

  • SHA256

    f3f7c727a9f743d2162b7e119d5969b73ba671a69138a66f9069defd99ba123d

  • SHA512

    f8d5e3d643baa49d3889a86099109043676e7471cef7e3a0e0788599529701a3703a0f87a91da16379c396c047210088af7f857d19383c4bf3ed9832d3806e09

  • SSDEEP

    24576:/y+5eGuwMo6q0pxZtO1ghWJKUILjdAttM1OZWl:K1GPMo6qqt0GWJKUgAgc

Malware Config

Extracted

Family

redline

Botnet

diza

C2

185.161.248.37:4138

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Targets

    • Target

      app505.exe

    • Size

      1.0MB

    • MD5

      0acaeccb230c0d5aec117a471c1dca84

    • SHA1

      55179af371986e97dde6e4470f755a6b0d2a9841

    • SHA256

      f3f7c727a9f743d2162b7e119d5969b73ba671a69138a66f9069defd99ba123d

    • SHA512

      f8d5e3d643baa49d3889a86099109043676e7471cef7e3a0e0788599529701a3703a0f87a91da16379c396c047210088af7f857d19383c4bf3ed9832d3806e09

    • SSDEEP

      24576:/y+5eGuwMo6q0pxZtO1ghWJKUILjdAttM1OZWl:K1GPMo6qqt0GWJKUgAgc

    • 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