Overview

overview

10

Static

static

10

8a8d5c1b7c...17.exe

windows7-x64

10

8a8d5c1b7c...17.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    0ccf0702bf00096f2ccf1b2ab139777c.bin
  • Size 1.1MB
  • Sample240116-bdmkfsbae4
  • SHA256 cd675cca7bf383d16feb82e8e6de88bf8a4cfb5964f0374f9e0efab3a8c5ff46
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • mznhr.ddns.net:6565

Mutex

  • de0a6df5-5d51-4a80-b226-5e720744d91b

Attributes
  • encryption_key

    21C6DB5AB5FB416AE989A08BF955F715B60B010D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      8a8d5c1b7c15cb5e0ba025c8de5ff2ba6138eca7a6b8407a5962bbd9ec79cf17.exe
    • Size 3.0MB
    • SHA256 8a8d5c1b7c15cb5e0ba025c8de5ff2ba6138eca7a6b8407a5962bbd9ec79cf17
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks