Overview

overview

10

Static

static

10

Notepad.exe

windows10-2004-x64

10

Notepad.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Notepad.exe
  • Size 3.1MB
  • Sample260116-vrkgssbw4d
  • SHA256 7f639b0baa3c5c16e1d1a9cac9e9df1db1bb5c176e13679ca0e288aa63b62ba2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 149.22.187.170:4781

Mutex

  • 7c2eed5e-e93f-4bd3-82d2-03aa1124f236

Attributes
  • encryption_key

    42F07D7DCB804601E39146A2F7D54F0E7439CDCD

  • install_name

    zzz.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    zzz

  • subdirectory

    zzz

Targets

    • Target
      Notepad.exe
    • Size 3.1MB
    • SHA256 7f639b0baa3c5c16e1d1a9cac9e9df1db1bb5c176e13679ca0e288aa63b62ba2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks