General

  • Target

    f11162ac58ce2ffc9cb7a83279d60469263b84cba57b23c6ad009b5e450b2dbb

  • Size

    1021KB

  • Sample

    230521-n2zwxahh95

  • MD5

    7583bb89b155665c9221675338d216b4

  • SHA1

    27befc3cc3946c5eb45f77a047e60018dab41e8b

  • SHA256

    f11162ac58ce2ffc9cb7a83279d60469263b84cba57b23c6ad009b5e450b2dbb

  • SHA512

    b93f700721e3211cc6fc595e0422019767d500fad0224519631f6088008b6fbcd6dc3ad5a369fd0591d5694cc7e09da3e59abab2727fd776d94bc8cd521b7b34

  • SSDEEP

    24576:yyCHFN8cQ0rHr6NqNqHks+FfDvJq97umVals:ZClN8cTHr6NqNqv+FbvJ67u

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      f11162ac58ce2ffc9cb7a83279d60469263b84cba57b23c6ad009b5e450b2dbb

    • Size

      1021KB

    • MD5

      7583bb89b155665c9221675338d216b4

    • SHA1

      27befc3cc3946c5eb45f77a047e60018dab41e8b

    • SHA256

      f11162ac58ce2ffc9cb7a83279d60469263b84cba57b23c6ad009b5e450b2dbb

    • SHA512

      b93f700721e3211cc6fc595e0422019767d500fad0224519631f6088008b6fbcd6dc3ad5a369fd0591d5694cc7e09da3e59abab2727fd776d94bc8cd521b7b34

    • SSDEEP

      24576:yyCHFN8cQ0rHr6NqNqHks+FfDvJq97umVals:ZClN8cTHr6NqNqv+FbvJ67u

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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