Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc 2021-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241216-ss2rcsvkbk

  • MD5

    4cc332d69d4f37340aabf54173ae8365

  • SHA1

    072242c54690924193b29fe8ffb046bef8d393a1

  • SHA256

    1e9796e9439e51cac6936a87fb043cf85d837ece6f26e383bb39e68e1a40d3e5

  • SHA512

    50817fb9f83135156b79b97aa64c753be3495195f16f6acf456961669b4a09b6862dce4da77f61af4cbf01acc0d580d7fde106642098c6291a0982b407f29905

  • SSDEEP

    49152:CvmI22SsaNYfdPBldt698dBcjHsCS1JmLoGd1THHB72eh2NT:Cvr22SsaNYfdPBldt6+dBcjHsC1

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

5.20.104.111:4782

Mutex

beca179f-e7d8-40de-ba85-d1fd906529dd

Attributes
  • encryption_key

    66CB84A8DB676E9F5F54FDDB146D727FB936CCFD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Defender

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      4cc332d69d4f37340aabf54173ae8365

    • SHA1

      072242c54690924193b29fe8ffb046bef8d393a1

    • SHA256

      1e9796e9439e51cac6936a87fb043cf85d837ece6f26e383bb39e68e1a40d3e5

    • SHA512

      50817fb9f83135156b79b97aa64c753be3495195f16f6acf456961669b4a09b6862dce4da77f61af4cbf01acc0d580d7fde106642098c6291a0982b407f29905

    • SSDEEP

      49152:CvmI22SsaNYfdPBldt698dBcjHsCS1JmLoGd1THHB72eh2NT:Cvr22SsaNYfdPBldt6+dBcjHsC1

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks