General

  • Target

    5d742cdedccfe75626ce8cbb8244a740N.exe

  • Size

    2.0MB

  • Sample

    240801-kyfgbasfmp

  • MD5

    5d742cdedccfe75626ce8cbb8244a740

  • SHA1

    14e3a72bd41bb9b419a4e769e0a5326fb9d11e34

  • SHA256

    16676ed439669fbd187acb5eb6af19773f351f62a4502f753a33b931da1ffb5d

  • SHA512

    871ba337e992f1d9704db11a34bdb318629fa30f9a5f70a9fff25b5367d674c8f68f489f7f98429f81a65703423c10db05162b4f785fbdfeaffbfb974bbdef33

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

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

      5d742cdedccfe75626ce8cbb8244a740N.exe

    • Size

      2.0MB

    • MD5

      5d742cdedccfe75626ce8cbb8244a740

    • SHA1

      14e3a72bd41bb9b419a4e769e0a5326fb9d11e34

    • SHA256

      16676ed439669fbd187acb5eb6af19773f351f62a4502f753a33b931da1ffb5d

    • SHA512

      871ba337e992f1d9704db11a34bdb318629fa30f9a5f70a9fff25b5367d674c8f68f489f7f98429f81a65703423c10db05162b4f785fbdfeaffbfb974bbdef33

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

    • 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