General

  • Target

    dd34b02a55f70caedd60acb4d06eea6e7c457289ea96b252c9114c47fe62a16b

  • Size

    1021KB

  • Sample

    230519-cnbrdade5t

  • MD5

    909fa305be6e6e1880718e68d7f1ecec

  • SHA1

    6bd8bf11c9e3f552aca22a1f84d43fbd6ddceef9

  • SHA256

    dd34b02a55f70caedd60acb4d06eea6e7c457289ea96b252c9114c47fe62a16b

  • SHA512

    46e7fa0fa80f1d3d526c0ac48e915d323e72258444ceb59bf47fef11df0c4dae0e3eeff399bb24e1e628c547365b55364f008bcaec0420ce7fc8674fa6f0916f

  • SSDEEP

    24576:nyUtu74LviWpwIbqfBaFJsID0DT4z1fJ7skTlA2kwIp:yUCX+bfFJsFYxxhA2k

Malware Config

Extracted

Family

redline

Botnet

dolz

C2

77.91.68.253:41783

Attributes
  • auth_value

    91a052e7685b96dcfc2defe95d9affb8

Targets

    • Target

      dd34b02a55f70caedd60acb4d06eea6e7c457289ea96b252c9114c47fe62a16b

    • Size

      1021KB

    • MD5

      909fa305be6e6e1880718e68d7f1ecec

    • SHA1

      6bd8bf11c9e3f552aca22a1f84d43fbd6ddceef9

    • SHA256

      dd34b02a55f70caedd60acb4d06eea6e7c457289ea96b252c9114c47fe62a16b

    • SHA512

      46e7fa0fa80f1d3d526c0ac48e915d323e72258444ceb59bf47fef11df0c4dae0e3eeff399bb24e1e628c547365b55364f008bcaec0420ce7fc8674fa6f0916f

    • SSDEEP

      24576:nyUtu74LviWpwIbqfBaFJsID0DT4z1fJ7skTlA2kwIp:yUCX+bfFJsFYxxhA2k

    • 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