General

  • Target

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N

  • Size

    2.0MB

  • Sample

    240922-l68y9sthka

  • MD5

    92b4e1b83bd1d806d59f6eee8a28ffa0

  • SHA1

    75238a373abd56968689c81693b72c1590875a23

  • SHA256

    8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54

  • SHA512

    e6e767cf9172a5ee499d7a3fc187db2fc4ab0bf49719f35e6c87a7bdb48c2b7592e2b2437bc7aa5b79fed541b10190db5809856f5f2275460d783da77fc233c4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

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

      8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54N

    • Size

      2.0MB

    • MD5

      92b4e1b83bd1d806d59f6eee8a28ffa0

    • SHA1

      75238a373abd56968689c81693b72c1590875a23

    • SHA256

      8e8e6ea45823cc7c984f547624b45ca913a8ba81a9d1289cb59ccb56f93cbd54

    • SHA512

      e6e767cf9172a5ee499d7a3fc187db2fc4ab0bf49719f35e6c87a7bdb48c2b7592e2b2437bc7aa5b79fed541b10190db5809856f5f2275460d783da77fc233c4

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY0:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

    • 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