Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250208-wh4dzsxkhv

  • MD5

    a72eb9413e621f09991cb29a3a1209c0

  • SHA1

    ff376c2982c20f671c9d282fa9891c17d2dd7f8d

  • SHA256

    aea58b72a2a36d5f0401caba08756cad63465d1b40466cb77809f554b6e5d02b

  • SHA512

    ef7c21b9b59eb28764c36392635a256dccc2b67896c384736da6ebb30166a2c565550b9967fa206262dcbad5d08e340edf2ea41d897a5b3ba4ced218e3354a3d

  • SSDEEP

    49152:KveI22SsaNYfdPBldt698dBcjHk7RJ6QbR3LoGdmTHHB72eh2NT:KvT22SsaNYfdPBldt6+dBcjHk7RJ6q

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.254:4782

Mutex

b5c485dd-0be7-4175-9240-b94d067a1289

Attributes
  • encryption_key

    ACAEE58B1EF31BFCC4D37857EF8688477F9EBF41

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      a72eb9413e621f09991cb29a3a1209c0

    • SHA1

      ff376c2982c20f671c9d282fa9891c17d2dd7f8d

    • SHA256

      aea58b72a2a36d5f0401caba08756cad63465d1b40466cb77809f554b6e5d02b

    • SHA512

      ef7c21b9b59eb28764c36392635a256dccc2b67896c384736da6ebb30166a2c565550b9967fa206262dcbad5d08e340edf2ea41d897a5b3ba4ced218e3354a3d

    • SSDEEP

      49152:KveI22SsaNYfdPBldt698dBcjHk7RJ6QbR3LoGdmTHHB72eh2NT:KvT22SsaNYfdPBldt6+dBcjHk7RJ6q

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks