Overview

overview

10

Static

static

10

client.exe

windows7-x64

10

client.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    client.exe
  • Size 3.1MB
  • Sample231120-2mty1abc71
  • SHA256 7fbdff8ee9930b76ae1ca9310f493ae700e1f7c9aa1b32c47fca64a240317ed4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 127.0.0.1:7777

Mutex

  • e74501e4-0d13-44ea-ab56-f5adb400d53b

Attributes
  • encryption_key

    122EFF89481AC09109CB9613ECDFDD3EE770EBD3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    300000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      client.exe
    • Size 3.1MB
    • SHA256 7fbdff8ee9930b76ae1ca9310f493ae700e1f7c9aa1b32c47fca64a240317ed4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks