General

  • Target

    a5062e03ae628d7636a5c58f4949cbf44cf71dc57b085525a4dfc14f52e312cb

  • Size

    778KB

  • Sample

    230603-1jqxhaaf8v

  • MD5

    3c37ff00b312315b0c0656fdc96552b9

  • SHA1

    0f4c67ec74d38e7c256a8f4f467cfc7b33146e66

  • SHA256

    a5062e03ae628d7636a5c58f4949cbf44cf71dc57b085525a4dfc14f52e312cb

  • SHA512

    deaa68f4b7fb34606dbade0566779a594180302fe1a6f54788258068eb387fb76d3bb34e6ea339626796b642c27d2eac57cb01d2ccee4bf4267446e865c226c9

  • SSDEEP

    12288:HMrky90jQ5QEoAZqRzyY3sYlFwjdRAGWQTe3r6v4gaiUKN2FDNATebPchH45d:jyAJtRRzr3seFwjhpTarn1FCTqcJUd

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      a5062e03ae628d7636a5c58f4949cbf44cf71dc57b085525a4dfc14f52e312cb

    • Size

      778KB

    • MD5

      3c37ff00b312315b0c0656fdc96552b9

    • SHA1

      0f4c67ec74d38e7c256a8f4f467cfc7b33146e66

    • SHA256

      a5062e03ae628d7636a5c58f4949cbf44cf71dc57b085525a4dfc14f52e312cb

    • SHA512

      deaa68f4b7fb34606dbade0566779a594180302fe1a6f54788258068eb387fb76d3bb34e6ea339626796b642c27d2eac57cb01d2ccee4bf4267446e865c226c9

    • SSDEEP

      12288:HMrky90jQ5QEoAZqRzyY3sYlFwjdRAGWQTe3r6v4gaiUKN2FDNATebPchH45d:jyAJtRRzr3seFwjhpTarn1FCTqcJUd

    • 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