General

  • Target

    8c5c1b53bf522600a73b0a774833d9ffd595dccb6c9d2f76dc758846ce33b594

  • Size

    2.0MB

  • Sample

    250104-chpfaavrav

  • MD5

    f815ffdfd670a6d1a59415bfcc3b9c32

  • SHA1

    a7e268b10696a0c6a368c08318cb6401064ff9fe

  • SHA256

    8c5c1b53bf522600a73b0a774833d9ffd595dccb6c9d2f76dc758846ce33b594

  • SHA512

    bc29f86b79bbeaa2535ee9a1b322e46cea9f07e8bbce15f9229f510eb77f995288e763e2402e91d6585a79c6f5701236a501154e33805cb083b1db24d2e0038d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

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

      8c5c1b53bf522600a73b0a774833d9ffd595dccb6c9d2f76dc758846ce33b594

    • Size

      2.0MB

    • MD5

      f815ffdfd670a6d1a59415bfcc3b9c32

    • SHA1

      a7e268b10696a0c6a368c08318cb6401064ff9fe

    • SHA256

      8c5c1b53bf522600a73b0a774833d9ffd595dccb6c9d2f76dc758846ce33b594

    • SHA512

      bc29f86b79bbeaa2535ee9a1b322e46cea9f07e8bbce15f9229f510eb77f995288e763e2402e91d6585a79c6f5701236a501154e33805cb083b1db24d2e0038d

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks