General

  • Target

    27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN

  • Size

    2.0MB

  • Sample

    241009-wsbrqa1brn

  • MD5

    8eafa73c310e5696ef8c6eede692bcb0

  • SHA1

    8c006502c13c906ba1c425bd60777d744ec6759b

  • SHA256

    27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05b

  • SHA512

    a0d661976d9e28343db958f544439db726a17e29d8fb5e81c5a9de09cfd5f73d6629e2c2a52be110f17ee2363111e8e5659d8ec94909f49dbe1c7a1f59558c92

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

      27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05bN

    • Size

      2.0MB

    • MD5

      8eafa73c310e5696ef8c6eede692bcb0

    • SHA1

      8c006502c13c906ba1c425bd60777d744ec6759b

    • SHA256

      27fe4a4fda2bb49f457c8d09ddd52e953a1812fcb442a0303033f5124d28e05b

    • SHA512

      a0d661976d9e28343db958f544439db726a17e29d8fb5e81c5a9de09cfd5f73d6629e2c2a52be110f17ee2363111e8e5659d8ec94909f49dbe1c7a1f59558c92

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

    • 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