Overview

overview

10

Static

static

10

B09A2A9617...94.exe

windows10-2004-x64

10

B09A2A9617...94.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    B09A2A9617128B1F0F2428135F3CCA94.exe
  • Size 3.1MB
  • Sample260813-sdrylsbl2s
  • SHA256 9f09f4ee2422a1707836b429124ee6ec006576190f294cf2702f82a5e411af2f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 94.154.34.203:1604

Mutex

  • ef54d9e6-8fa9-4028-b5ac-6394d231d215

Attributes
  • encryption_key

    9B4C3FF8DC5891693F443320E3C1167C7CEBE2B7

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      B09A2A9617128B1F0F2428135F3CCA94.exe
    • Size 3.1MB
    • SHA256 9f09f4ee2422a1707836b429124ee6ec006576190f294cf2702f82a5e411af2f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryquasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks