General

  • Target

    https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqbEVYU3RRVG5ESHlQc1JGby1GeFYwaE0zb053UXxBQ3Jtc0trTEtyM0RVQklIVlZtbWtYcUMxLXQwd1FrazBOMTN5OGlCQ0ZzUzRabVVhdElGUGhqWjVFdnJ6LUo5VmhyOXBMakRYbDhCdEEzYlU0VEVON284OVdMWXdBdTMzZlNaNUNJQW9YVEZkcFBoMFJWcGs2MA&q=https%3A%2F%2Fwww.upload.ee%2Ffiles%2F14989616%2FInjector.rar.html&stzid=UgzC99hc98uiIh_tQx94AaABAg

  • Sample

    230305-jlll5aga63

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

venom

C2

realtekhoster.ddns.net:1337

Mutex

mutex888

Attributes
  • delay

    1

  • install

    true

  • install_file

    RealtekAudio.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

redline

Botnet

redline

C2

not-qualities.at.ply.gg:59219

Targets

    • Target

      https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqbEVYU3RRVG5ESHlQc1JGby1GeFYwaE0zb053UXxBQ3Jtc0trTEtyM0RVQklIVlZtbWtYcUMxLXQwd1FrazBOMTN5OGlCQ0ZzUzRabVVhdElGUGhqWjVFdnJ6LUo5VmhyOXBMakRYbDhCdEEzYlU0VEVON284OVdMWXdBdTMzZlNaNUNJQW9YVEZkcFBoMFJWcGs2MA&q=https%3A%2F%2Fwww.upload.ee%2Ffiles%2F14989616%2FInjector.rar.html&stzid=UgzC99hc98uiIh_tQx94AaABAg

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Async RAT payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks