General

  • Target

    a70511977d037cdd483e138b70b608efaeb81a736634593a5107345f0b1be928

  • Size

    2.0MB

  • Sample

    240809-a6q8nstcmm

  • MD5

    198393ec783414fa2a0626c72507e9e9

  • SHA1

    419f495b04728002a7d9a7e878bfb0201e9b4aac

  • SHA256

    a70511977d037cdd483e138b70b608efaeb81a736634593a5107345f0b1be928

  • SHA512

    7e8ffae2570aea7e8f83c61b785435d1bbfab3b8cdcfc16ca79306ae74eae6bcff51a3f9ae6c2406fb3a1d5ab4f9ed1b6af7d26e173e9d396dabf948a36b3b59

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Targets

    • Target

      a70511977d037cdd483e138b70b608efaeb81a736634593a5107345f0b1be928

    • Size

      2.0MB

    • MD5

      198393ec783414fa2a0626c72507e9e9

    • SHA1

      419f495b04728002a7d9a7e878bfb0201e9b4aac

    • SHA256

      a70511977d037cdd483e138b70b608efaeb81a736634593a5107345f0b1be928

    • SHA512

      7e8ffae2570aea7e8f83c61b785435d1bbfab3b8cdcfc16ca79306ae74eae6bcff51a3f9ae6c2406fb3a1d5ab4f9ed1b6af7d26e173e9d396dabf948a36b3b59

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks