General

  • Target

    5da92a7e992972b201c7d071b9d3ad18.virus

  • Size

    2.0MB

  • Sample

    240916-vasrvaydrq

  • MD5

    5da92a7e992972b201c7d071b9d3ad18

  • SHA1

    eefb7e26131372cbcb8725bc7249c2ca0a405b06

  • SHA256

    7ac51bbdd053d153348a920222a6cd5f65cf051fa24c12ad64827e2ab6133cc0

  • SHA512

    73ba85d8039e34a6fab3cc1e93f85a397c533a1e054f295fdabd1a994d625cb7599f40992b3e65d51fa9b643cbf1407ff5b9a4d7946f598f290ef45f0204b2a2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY4:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

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

      5da92a7e992972b201c7d071b9d3ad18.virus

    • Size

      2.0MB

    • MD5

      5da92a7e992972b201c7d071b9d3ad18

    • SHA1

      eefb7e26131372cbcb8725bc7249c2ca0a405b06

    • SHA256

      7ac51bbdd053d153348a920222a6cd5f65cf051fa24c12ad64827e2ab6133cc0

    • SHA512

      73ba85d8039e34a6fab3cc1e93f85a397c533a1e054f295fdabd1a994d625cb7599f40992b3e65d51fa9b643cbf1407ff5b9a4d7946f598f290ef45f0204b2a2

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY4:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks