General

  • Target

    956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9

  • Size

    2.0MB

  • Sample

    240919-2kmf5svbqc

  • MD5

    100d5741d66fe4d58016722d163887c6

  • SHA1

    facbfb4aafbdcb91a14b55f72da9cdfa4919118a

  • SHA256

    956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9

  • SHA512

    c1afc6fb4a4b239474235c8ac20c40ebda5ce41af7655672e5da889be57a7c664712eefac6934d8a2b3df36d2bf1f17f1837599f6a0f791cc6594eec3cf455f1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

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

      956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9

    • Size

      2.0MB

    • MD5

      100d5741d66fe4d58016722d163887c6

    • SHA1

      facbfb4aafbdcb91a14b55f72da9cdfa4919118a

    • SHA256

      956fa8d2299a82c452364c4a238be805730b0d571580147bbb7dd30e7bc396c9

    • SHA512

      c1afc6fb4a4b239474235c8ac20c40ebda5ce41af7655672e5da889be57a7c664712eefac6934d8a2b3df36d2bf1f17f1837599f6a0f791cc6594eec3cf455f1

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

    • 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