General

  • Target

    c133630af8835f031b546323fd28c1bde83b95e5b7ede972544bfdf6be2ced69

  • Size

    752KB

  • Sample

    230531-z5v8nsbe91

  • MD5

    4d3793c40d4e420b48b3141efb29173f

  • SHA1

    6d89313f19d596d12fd15d376b89da3781a8a50e

  • SHA256

    c133630af8835f031b546323fd28c1bde83b95e5b7ede972544bfdf6be2ced69

  • SHA512

    a82e15ca37bffe455242112c48b4e279e107c3424a058ca4a0da416ee562fa0de1546c6b885f5ba683c231a838c16f0f0945fd60e7a6d4df3aa6f1418a69c05d

  • SSDEEP

    12288:aMrsy90ScHVh3YFbnzIBx+xVPj714Wy+6T30d+FqlWq5oNRCQmnk5+Rf3eitKH:iySHXY1IBx+xV1xdLwnRCQmqkeitKH

Malware Config

Extracted

Family

redline

Botnet

dars

C2

83.97.73.127:19045

Attributes
  • auth_value

    7cd208e6b6c927262304d5d4d88647fd

Extracted

Family

redline

Botnet

nitro

C2

83.97.73.127:19045

Attributes
  • auth_value

    1b68cf84b9b046f28b71cb39e44aa0e4

Targets

    • Target

      c133630af8835f031b546323fd28c1bde83b95e5b7ede972544bfdf6be2ced69

    • Size

      752KB

    • MD5

      4d3793c40d4e420b48b3141efb29173f

    • SHA1

      6d89313f19d596d12fd15d376b89da3781a8a50e

    • SHA256

      c133630af8835f031b546323fd28c1bde83b95e5b7ede972544bfdf6be2ced69

    • SHA512

      a82e15ca37bffe455242112c48b4e279e107c3424a058ca4a0da416ee562fa0de1546c6b885f5ba683c231a838c16f0f0945fd60e7a6d4df3aa6f1418a69c05d

    • SSDEEP

      12288:aMrsy90ScHVh3YFbnzIBx+xVPj714Wy+6T30d+FqlWq5oNRCQmnk5+Rf3eitKH:iySHXY1IBx+xV1xdLwnRCQmqkeitKH

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Downloads MZ/PE file

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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