Overview

overview

10

Static

static

10

loader.exe

windows10-ltsc 2021-x64

10

loader.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    loader.exe

  • Size

    3.1MB

  • Sample

    250117-rebsca1pfm

  • MD5

    f8005ed6248fe1b06c0b17b6e22d25a7

  • SHA1

    905d315d3a227248b89ad1a0389051e8351a6235

  • SHA256

    8f00cd6fa542c1847aa45bc2447421adcbdd0b2d8d5ab6de9b92f20ca14aae37

  • SHA512

    8eb5092b6b28f2651ecf8318535e42606f1fc585b089928ca519a1ce3f7a087755fde07078b0ef9109e8081d78805e339e77bf23e10b79c8ffe040bde6ceaddb

  • SSDEEP

    49152:HvyI22SsaNYfdPBldt698dBcjHb5xNESEJk/ilLoGdzTHHB72eh2NT:Hvf22SsaNYfdPBldt6+dBcjH1xE9

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

26.160.231.118:4782

Mutex

029aecb2-1011-46ca-b46a-5adb92b6bd76

Attributes
  • encryption_key

    446E052D4DC2A4CD1DC163FE5FE65B68BD5EF859

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      loader.exe

    • Size

      3.1MB

    • MD5

      f8005ed6248fe1b06c0b17b6e22d25a7

    • SHA1

      905d315d3a227248b89ad1a0389051e8351a6235

    • SHA256

      8f00cd6fa542c1847aa45bc2447421adcbdd0b2d8d5ab6de9b92f20ca14aae37

    • SHA512

      8eb5092b6b28f2651ecf8318535e42606f1fc585b089928ca519a1ce3f7a087755fde07078b0ef9109e8081d78805e339e77bf23e10b79c8ffe040bde6ceaddb

    • SSDEEP

      49152:HvyI22SsaNYfdPBldt698dBcjHb5xNESEJk/ilLoGdzTHHB72eh2NT:Hvf22SsaNYfdPBldt6+dBcjH1xE9

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks