General

  • Target

    97989886e05b49d70b6ac4d2bc7a9700N.exe

  • Size

    2.0MB

  • Sample

    240716-ksvdaathnq

  • MD5

    97989886e05b49d70b6ac4d2bc7a9700

  • SHA1

    b49bd6ccdde92a8a8093e49e7b43da003d7bb360

  • SHA256

    a94641533640630b9d2eb1a1db86d1da4d52c732adadfb34442b1ae1be7c5f0f

  • SHA512

    3f357718f7af0aa20b0cb6b6609e993ef32848192eed7fdc51f9141430fda39ae36db885841733cfb327e193953939847dd06e5d2dc15aa435b190ae91c0ff94

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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

      97989886e05b49d70b6ac4d2bc7a9700N.exe

    • Size

      2.0MB

    • MD5

      97989886e05b49d70b6ac4d2bc7a9700

    • SHA1

      b49bd6ccdde92a8a8093e49e7b43da003d7bb360

    • SHA256

      a94641533640630b9d2eb1a1db86d1da4d52c732adadfb34442b1ae1be7c5f0f

    • SHA512

      3f357718f7af0aa20b0cb6b6609e993ef32848192eed7fdc51f9141430fda39ae36db885841733cfb327e193953939847dd06e5d2dc15aa435b190ae91c0ff94

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

    • 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