Overview

overview

10

Static

static

10

nn.exe

windows10-ltsc_2021-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    nn.exe
  • Size 2.6MB
  • Sample260505-mxpppsc18s
  • SHA256 e8e3b23ed9c7e9b2112fe741acd05490f5c65645be7862ed54c066e2e937d0c5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
customerloaderquasaroffice04downloaderexecutionloaderpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.6

Botnet

  • Office04

C2

  • portbuddy.dev:58391

Mutex

  • d8c48297-01f4-47e2-ba80-97c0a36ef7f9

Attributes
  • encryption_key

    2793673C51D63ADCE40BDBACB0E647ECD4AACC9E

  • install_name

    hydroxide.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Windows Search Index

  • subdirectory

    Malwarebytes

Targets

    • Target
      nn.exe
    • Size 2.6MB
    • SHA256 e8e3b23ed9c7e9b2112fe741acd05490f5c65645be7862ed54c066e2e937d0c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04downloaderexecutioncustomerloaderquasarloaderpersistencespywaretrojan

    • Family: Customer Loader

      Customer Loader is a downloader written in C#.

      downloaderloadercustomerloader

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks