Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.3MB

  • Sample

    241208-w1pcsa1pcv

  • MD5

    73391479ada904ff9341ad5dd398d7d5

  • SHA1

    a70fc4abda717d3e6847d888eb35a8de925a54c7

  • SHA256

    151e2900f743156d22c24cd82f3ea1b8027d2e4d5f13fb2588113fa5e02b81e5

  • SHA512

    b15add9e1b09307c14014f1f8702bd0e5a47c7537fd480f8587d319e42718e791a68ff47fceae2a6a2083de9b92d590c5742000c07f0716cdf50e8b34ff9ac06

  • SSDEEP

    49152:hvflL26AaNeWgPhlmVqvMQ7XSK4cGkBewXojda5qTHHB72eh2NTG:hvtL26AaNeWgPhlmVqkQ7XSKvGM

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

45.200.148.155:6060

Mutex

4b3820e0-d123-49d9-b51e-3c4daa4f6874

Attributes
  • encryption_key

    F8879E9B26846C57C99B6F152F74703E1CC15B8B

  • install_name

    SecurityHealthSystray.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SecurityHealthSystray.exe

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.3MB

    • MD5

      73391479ada904ff9341ad5dd398d7d5

    • SHA1

      a70fc4abda717d3e6847d888eb35a8de925a54c7

    • SHA256

      151e2900f743156d22c24cd82f3ea1b8027d2e4d5f13fb2588113fa5e02b81e5

    • SHA512

      b15add9e1b09307c14014f1f8702bd0e5a47c7537fd480f8587d319e42718e791a68ff47fceae2a6a2083de9b92d590c5742000c07f0716cdf50e8b34ff9ac06

    • SSDEEP

      49152:hvflL26AaNeWgPhlmVqvMQ7XSK4cGkBewXojda5qTHHB72eh2NTG:hvtL26AaNeWgPhlmVqkQ7XSKvGM

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks