General

  • Target

    ea0dbb78a37927ed07f0c30ad9e814c2f71a16e9a6e8356726f03637bb48a848.cmd

  • Size

    2.0MB

  • Sample

    241111-ramn2szemj

  • MD5

    a83ac24f3b7291351f52ea99c33b43ca

  • SHA1

    4819de0035af164608341bdab34fe277cc517536

  • SHA256

    ea0dbb78a37927ed07f0c30ad9e814c2f71a16e9a6e8356726f03637bb48a848

  • SHA512

    af2301759d1037f609b876090eb188f0747ecf7c4d3e5ebd23395389dd23c1398cd123a902d015d47018f1ef686b44908cca3280d86ccc4a1993b7c0388b9551

  • SSDEEP

    24576:r7ftZVfP4Eg45n691f/qE71faFpIx6SXP1nOEunZ8/O2x01+dHepYAk0NkVG7/dp:rdLA9Fi7IxDRK294y7D/h2R

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

walkout.ddnsgeek.com:8080

Mutex

27391f85-a482-471a-b2cd-1f8ab5bde32e

Attributes
  • encryption_key

    6469F8C5BA9A2CFDCF4A3F1651D1E92DBEA41117

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      ea0dbb78a37927ed07f0c30ad9e814c2f71a16e9a6e8356726f03637bb48a848.cmd

    • Size

      2.0MB

    • MD5

      a83ac24f3b7291351f52ea99c33b43ca

    • SHA1

      4819de0035af164608341bdab34fe277cc517536

    • SHA256

      ea0dbb78a37927ed07f0c30ad9e814c2f71a16e9a6e8356726f03637bb48a848

    • SHA512

      af2301759d1037f609b876090eb188f0747ecf7c4d3e5ebd23395389dd23c1398cd123a902d015d47018f1ef686b44908cca3280d86ccc4a1993b7c0388b9551

    • SSDEEP

      24576:r7ftZVfP4Eg45n691f/qE71faFpIx6SXP1nOEunZ8/O2x01+dHepYAk0NkVG7/dp:rdLA9Fi7IxDRK294y7D/h2R

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Executes dropped EXE

    • Loads dropped DLL

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

MITRE ATT&CK Enterprise v15

Tasks