Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241130-25mbwaykcy

  • MD5

    acf4f0b473278b8280c57f06a1a14752

  • SHA1

    e3eb5b7e4d720cb9b3bf33f02c3c436c050dc614

  • SHA256

    74eca969f95e873b2af9dcdedd0783e27d469aad3baf1af7b85ad751b34485a3

  • SHA512

    d0be2e1ee64a2ae2bfd0a18b71fe4af44304b5fbaa8c2bad3c582750579c8503466e2b6edd00984cfafc78d8307e6e056a37a3da3bdb04b250623b99240ab936

  • SSDEEP

    49152:rvvI22SsaNYfdPBldt698dBcjHWC41JFLoGdxTHHB72eh2NT:rvg22SsaNYfdPBldt6+dBcjHWCe

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

sites-talent.gl.at.ply.gg:12915:5050

Mutex

81bbd126-003c-423d-b244-5de29a86c135

Attributes
  • encryption_key

    F1428A77E91FBF1B7AEC1D3D94E91E692E2ADBFF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    thisisarat

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      acf4f0b473278b8280c57f06a1a14752

    • SHA1

      e3eb5b7e4d720cb9b3bf33f02c3c436c050dc614

    • SHA256

      74eca969f95e873b2af9dcdedd0783e27d469aad3baf1af7b85ad751b34485a3

    • SHA512

      d0be2e1ee64a2ae2bfd0a18b71fe4af44304b5fbaa8c2bad3c582750579c8503466e2b6edd00984cfafc78d8307e6e056a37a3da3bdb04b250623b99240ab936

    • SSDEEP

      49152:rvvI22SsaNYfdPBldt698dBcjHWC41JFLoGdxTHHB72eh2NT:rvg22SsaNYfdPBldt6+dBcjHWCe

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks