General

  • Target

    starter.dll.exe

  • Size

    1020KB

  • Sample

    230519-n9rv9sdf77

  • MD5

    1210e52ed4779910ac599e817eda5df7

  • SHA1

    c55af0940b15c030a89c09e82b8bec9f508c75fe

  • SHA256

    dd4e958f7d4a15f46bd5f2b7495cb1ea9b3fdd4921e380cf98f2631b6b96d8a3

  • SHA512

    edd29566d710108decf7475360689e20a9d9e2c5db012e9be229184cf2cb89c66d8a466e0692fe06d5b759b4a29b79f70e528e418e7696dec5fe4f9365ea2f8a

  • SSDEEP

    24576:ty5KZVH4SlQbUfLGnKDTdcr2aShjjtlFqK10zJtSdheTu:I5KPETnKDyr2aShHBHizJtFT

Malware Config

Extracted

Family

redline

Botnet

duper

C2

77.91.68.253:19065

Attributes
  • auth_value

    57e17ebbdb18f4882b95fe05402ef1c8

Targets

    • Target

      starter.dll.exe

    • Size

      1020KB

    • MD5

      1210e52ed4779910ac599e817eda5df7

    • SHA1

      c55af0940b15c030a89c09e82b8bec9f508c75fe

    • SHA256

      dd4e958f7d4a15f46bd5f2b7495cb1ea9b3fdd4921e380cf98f2631b6b96d8a3

    • SHA512

      edd29566d710108decf7475360689e20a9d9e2c5db012e9be229184cf2cb89c66d8a466e0692fe06d5b759b4a29b79f70e528e418e7696dec5fe4f9365ea2f8a

    • SSDEEP

      24576:ty5KZVH4SlQbUfLGnKDTdcr2aShjjtlFqK10zJtSdheTu:I5KPETnKDyr2aShHBHizJtFT

    • 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