Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240716-k249vaxfjh

  • MD5

    d9a4c8f06b7b0426d6e67a43ddb5b118

  • SHA1

    8bd62ef23e1de76f9b0a09a6168af0037bef8026

  • SHA256

    dd3a0e96a5f0c33c48c6ff2147abf15e6be49172e7bf6c582005331224c59fda

  • SHA512

    ea6fb24eb746a6fdb4be2e38a193ae221a86454d999ecd24cd9500041ac1774f8e38275199c02979079baa94b840669617138c36b9965a8f61406e98ea8faedb

  • SSDEEP

    49152:uvkt62XlaSFNWPjljiFa2RoUYIyzhkbRjPLoGdCTHHB72eh2NT:uv462XlaSFNWPjljiFXRoUYIyzhsT

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.112.130:4444

Mutex

524f4736-b434-4f1b-87d4-60efee95f1a0

Attributes
  • encryption_key

    FD2C72B7511C4796A615A71C40CAA513DD1F1A24

  • install_name

    Byfron.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Byfron

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      d9a4c8f06b7b0426d6e67a43ddb5b118

    • SHA1

      8bd62ef23e1de76f9b0a09a6168af0037bef8026

    • SHA256

      dd3a0e96a5f0c33c48c6ff2147abf15e6be49172e7bf6c582005331224c59fda

    • SHA512

      ea6fb24eb746a6fdb4be2e38a193ae221a86454d999ecd24cd9500041ac1774f8e38275199c02979079baa94b840669617138c36b9965a8f61406e98ea8faedb

    • SSDEEP

      49152:uvkt62XlaSFNWPjljiFa2RoUYIyzhkbRjPLoGdCTHHB72eh2NT:uv462XlaSFNWPjljiFXRoUYIyzhsT

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks