General

  • Target

    2724243.exe

  • Size

    1.0MB

  • Sample

    230519-x4pcmaff22

  • MD5

    ac599e640a97ffc0f3ccd09482c54087

  • SHA1

    81a735132a4a9028600d130155e9abe7e698749f

  • SHA256

    4cfeb3274f2226a746c4d6d9010c2aa5758b3b1462223c3e5fb76371253e8d37

  • SHA512

    261473db0e75df9e83b1edbbf6450f2e7a1f0717217b1de8986e6e815e3380da542846cbd1ae3e4993eeebb6c8e31001e22ac5acaaa593749fcf2178baad3dc2

  • SSDEEP

    24576:OyFSdB+vg1Hxatk9sFFdA6OjuCEibsxGu8wTBYlxdY9fL:dFYcsHAtpA6OjuCFbsxWwTil

Malware Config

Extracted

Family

redline

Botnet

duper

C2

77.91.68.253:19065

Attributes
  • auth_value

    57e17ebbdb18f4882b95fe05402ef1c8

Targets

    • Target

      2724243.exe

    • Size

      1.0MB

    • MD5

      ac599e640a97ffc0f3ccd09482c54087

    • SHA1

      81a735132a4a9028600d130155e9abe7e698749f

    • SHA256

      4cfeb3274f2226a746c4d6d9010c2aa5758b3b1462223c3e5fb76371253e8d37

    • SHA512

      261473db0e75df9e83b1edbbf6450f2e7a1f0717217b1de8986e6e815e3380da542846cbd1ae3e4993eeebb6c8e31001e22ac5acaaa593749fcf2178baad3dc2

    • SSDEEP

      24576:OyFSdB+vg1Hxatk9sFFdA6OjuCEibsxGu8wTBYlxdY9fL:dFYcsHAtpA6OjuCFbsxWwTil

    • 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