General

  • Target

    d78baa99cdaa1c5037167f9a0b2f4aa65f694ac32af8c84d71e152542a970850.rar

  • Size

    3.7MB

  • Sample

    241113-df71aawaml

  • MD5

    46606f39941acbcfe136254053a7685c

  • SHA1

    64db0245d31874f1b1378300708acc3fdd0c4c41

  • SHA256

    d78baa99cdaa1c5037167f9a0b2f4aa65f694ac32af8c84d71e152542a970850

  • SHA512

    5f16f4254b6ae63a040e15f6367201c4e395585273cfb4a4e0337d63a60c383ecfed6fa0470d08447cc75c6f722b42dcfc4824e36d65f38a44c7e2ee73e0f289

  • SSDEEP

    98304:bT8OQIbUfRIoAGEp4Jg5YNzJ3J+bsixXprsq328FC+cSBUR0p249:dAfRP96YVJMHxXpYq3LU4UR0E8

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

CODE

C2

twart.myfirewall.org:9792

rency.ydns.eu:5287

wqo9.firewall-gateway.de:8841

Mutex

02351e291-5d041-4fa37-932c7-869aeiQec514992

Attributes
  • encryption_key

    3145298725BA5E0DD56E87FFE3F8898EA81E6EDA

  • install_name

    workbook.exe

  • log_directory

    Logs

  • reconnect_delay

    6000

  • startup_key

    workbook

  • subdirectory

    SubDir

Targets

    • Target

      Zamówienie 89118 _ Metal-Constructions.pdf.com

    • Size

      3.9MB

    • MD5

      00ffe69dfb698299710ce724102c38d0

    • SHA1

      f34a894792a087ccc190149a60b5ebd778205254

    • SHA256

      94ebfdfd713a28f05375cb3db05fa5223f67ef6d0e79d724c1d1fb808476227b

    • SHA512

      21cc0557ccdc228d358430dc0783c55c3d4cc54ca48241ae212fa97e8d7cfc475fad1247ff7b967b3cdc5187984cd918736687c23cea84cddd2ca70c3ab2f37d

    • SSDEEP

      98304:Amfx0pcD2HsO4ntgdgxkvS4qdtdFRm5J0j0BTh2zR:Amf2ppHb+koMSRtJpkQt

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks