Overview

overview

10

Static

static

3

msedge_elf.dll

windows10-2004-x64

10

msedge_elf.dll

windows11-21h2-x64

10

Sharing

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General

  • Target
    msedge_elf.dll
  • Size 3.1MB
  • Sample251013-r6s6psfp5v
  • SHA256 f2a10588a5ce9c5987efd63ee4fda5fee1c199e0522382e89e8d1dbe05d07801
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarsutup.15.9.25discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • sutup.15.9.25

C2

  • doudouh22.ddns.net:19999

Mutex

  • QSR_MUTEX_vwjcGJHcTp5Vm825bO

Attributes
  • encryption_key

    oDpwVR3f2QhduAbFCpOl

  • install_name

    windows System.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Startup

  • subdirectory

    Sutup.System

Targets

    • Target
      msedge_elf.dll
    • Size 3.1MB
    • SHA256 f2a10588a5ce9c5987efd63ee4fda5fee1c199e0522382e89e8d1dbe05d07801
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    sutup.15.9.25discoveryexecutionquasarpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks