Overview

overview

10

Static

static

10

svchost1.exe

windows7-x64

10

svchost1.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    svchost1.exe
  • Size 409KB
  • Sample240616-ezenhszaqc
  • SHA256 49686a0b50103315e6a2a8af78084b9b5eb485ad4767f2d63043d8969ff9bb23
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarseroxen | v3.1.5 |spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 3.1.5

Botnet

  • SeroXen | v3.1.5 |

C2

  • nexosmith1231-54169.portmap.host:4782

Mutex

  • $Sxr-NbHXQzYHWTCnT97XUN

Attributes
  • encryption_key

    v2wYEk6QCkLkJJ1DyEGm

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target
      svchost1.exe
    • Size 409KB
    • SHA256 49686a0b50103315e6a2a8af78084b9b5eb485ad4767f2d63043d8969ff9bb23
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxen | v3.1.5 |spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks