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
  • Sample231104-mxqa8sae22
  • SHA256 62de60b59a7e50201894f528b124dc94c072c9db3904494d194b0c7f8be5a4f7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • serverlolxd.ddns.net:4782

Mutex

  • d8c275e5-18fa-4e81-8ec8-a1df4d7051cd

Attributes
  • encryption_key

    55134B4B269EA9FF5C0DE96378EBD7CC33C096F6

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 62de60b59a7e50201894f528b124dc94c072c9db3904494d194b0c7f8be5a4f7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks