Overview

overview

10

Static

static

10

requirements.exe

windows10-2004-x64

10

requirements.exe

windows11-ltsc_2024-x64

10

requirements.exe

ubuntu-22.04-amd64

requirements.exe

debian-9-armhf

requirements.exe

debian-9-mips

requirements.exe

debian-9-mipsel

Sharing

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General

  • Target
    requirements.exe
  • Size 3.1MB
  • Sample260727-ba2j7stxds
  • SHA256 eab951b07d08854d68d6f7426e78aa94353a0c2df9b3a4de3812709d94102669
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionlinuxpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 192.168.10.14:4782

Mutex

  • 190371b3-41ad-4b06-80e1-2e56b9fe2ec3

Attributes
  • encryption_key

    79BAF8BB67ABED05EE0AB82D08A3480E938AEBD9

  • install_name

    Microsoft_SQL_Server.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    server_logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft_SQL_Server.exe

  • subdirectory

    Microsoft

Targets

    • Target
      requirements.exe
    • Size 3.1MB
    • SHA256 eab951b07d08854d68d6f7426e78aa94353a0c2df9b3a4de3812709d94102669
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4behavioral5behavioral6

MITRE ATT&CK Enterprise v16

Tasks