Overview

overview

10

Static

static

1

dMHjzw.html

windows10-2004-x64

3

dMHjzw.html

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    dMHjzw
  • Size 11KB
  • Sample260705-v4szpsev61
  • SHA256 d311a4f486e2f81d1ffb11b37782d8bc1325b1df96ff21ab3b3de818ae3d5d84
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defendnotquasaroffice04discoveryexecutionhacktoolpersistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.6

Botnet

  • Office04

C2

  • maria-interruption.with.playit.plus:1788

Mutex

  • af2c6f00-df3c-48d8-a841-fe604bd57ba9

Attributes
  • encryption_key

    7799F230382DEC15CFC54F1D560B5A8B875621D2

  • install_name

    System Update 3.3.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

  • startup_key

    System Update 3.3

  • subdirectory

    System Update 3.3

Targets

    • Target
      dMHjzw
    • Size 11KB
    • SHA256 d311a4f486e2f81d1ffb11b37782d8bc1325b1df96ff21ab3b3de818ae3d5d84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryoffice04executiondefendnotquasarhacktoolpersistenceransomwarespywaretrojan

    • Detects Defendnot

    • Family: Defendnot

      Defendnot is a tool designed to disable Microsoft Defender.

      hacktooldefendnot

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks