General

  • Target

    b5c73517e737501fc224efd24f513ac175e73cc491bbe8124eba36441c9ee03f

  • Size

    1.1MB

  • Sample

    230516-sbkfrabc73

  • MD5

    4497984274ff1967ddac9298ee9a7c04

  • SHA1

    f4123c5a1629a2ad4ec66cef1fcde20cdf1615a9

  • SHA256

    b5c73517e737501fc224efd24f513ac175e73cc491bbe8124eba36441c9ee03f

  • SHA512

    7f9c7b770dbd7f01381a7e60690162425b1c285e41314b8c2b5d47b88ae2fe52d2df61627db133dfae166bd9299da660e1bf98ada992fed75036a75cd5e2aaa8

  • SSDEEP

    24576:5yDG6uhAcrrstffeo3+8wEH7JV9aiFa1yy74IepSNI38/ZT:sDGaErueQ+0JV9BmypIeMO3S

Malware Config

Extracted

Family

redline

Botnet

muxan

C2

185.161.248.75:4132

Attributes
  • auth_value

    d605be949bb645b0759bf765eb7e6a47

Extracted

Family

redline

Botnet

srala

C2

185.161.248.75:4132

Attributes
  • auth_value

    c90de493c232a904fb467fa366785cb6

Targets

    • Target

      b5c73517e737501fc224efd24f513ac175e73cc491bbe8124eba36441c9ee03f

    • Size

      1.1MB

    • MD5

      4497984274ff1967ddac9298ee9a7c04

    • SHA1

      f4123c5a1629a2ad4ec66cef1fcde20cdf1615a9

    • SHA256

      b5c73517e737501fc224efd24f513ac175e73cc491bbe8124eba36441c9ee03f

    • SHA512

      7f9c7b770dbd7f01381a7e60690162425b1c285e41314b8c2b5d47b88ae2fe52d2df61627db133dfae166bd9299da660e1bf98ada992fed75036a75cd5e2aaa8

    • SSDEEP

      24576:5yDG6uhAcrrstffeo3+8wEH7JV9aiFa1yy74IepSNI38/ZT:sDGaErueQ+0JV9BmypIeMO3S

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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