General

  • Target

    8529cf9ed6b2bc21b55824bb6947d330ffbc4c9788a85e2ffbf6d8c430101c93

  • Size

    1.0MB

  • Sample

    230523-kn5cpaee44

  • MD5

    a192f722533906e1e7a7111bf0094cfe

  • SHA1

    df23995c0e9f99beb47a20a3b33a77e135207e05

  • SHA256

    8529cf9ed6b2bc21b55824bb6947d330ffbc4c9788a85e2ffbf6d8c430101c93

  • SHA512

    fcc5ff956eea14290a5a139a6bcd9544a03daabeacd271a590fe5a16ae75ae4ea8c54fb968079ba9032294d863cd50e47ae1943a81dc70ee2dd009195c3cbffa

  • SSDEEP

    24576:VypZzzoff6XgC1rib+A2OWStipTac1nMIaicX:wpZzzgSwa+pSR1n7ai

Malware Config

Extracted

Family

redline

Botnet

duxa

C2

77.91.68.157:19065

Attributes
  • auth_value

    953a331341f07583fec00af44e01ec7d

Targets

    • Target

      8529cf9ed6b2bc21b55824bb6947d330ffbc4c9788a85e2ffbf6d8c430101c93

    • Size

      1.0MB

    • MD5

      a192f722533906e1e7a7111bf0094cfe

    • SHA1

      df23995c0e9f99beb47a20a3b33a77e135207e05

    • SHA256

      8529cf9ed6b2bc21b55824bb6947d330ffbc4c9788a85e2ffbf6d8c430101c93

    • SHA512

      fcc5ff956eea14290a5a139a6bcd9544a03daabeacd271a590fe5a16ae75ae4ea8c54fb968079ba9032294d863cd50e47ae1943a81dc70ee2dd009195c3cbffa

    • SSDEEP

      24576:VypZzzoff6XgC1rib+A2OWStipTac1nMIaicX:wpZzzgSwa+pSR1n7ai

    • 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