General

  • Target

    b3338e8fdbcfef92458ad2553214e619498277c120cf9638ade47e6e4ef04858N.exe

  • Size

    2.0MB

  • Sample

    250111-prn74ayrcy

  • MD5

    f37e141a5d5e67b51656da0c13640300

  • SHA1

    70229d91fd7a2d7c4ce4b438de341b36f2536fd4

  • SHA256

    b3338e8fdbcfef92458ad2553214e619498277c120cf9638ade47e6e4ef04858

  • SHA512

    4ff3192871aae3e850e27e67c44a63f77766cbf022b9d6034331ee0a2cf56e10c20161dc673911700cc15f8e730663a32dabd669272ff7e09ad9b9e999a4d749

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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

      b3338e8fdbcfef92458ad2553214e619498277c120cf9638ade47e6e4ef04858N.exe

    • Size

      2.0MB

    • MD5

      f37e141a5d5e67b51656da0c13640300

    • SHA1

      70229d91fd7a2d7c4ce4b438de341b36f2536fd4

    • SHA256

      b3338e8fdbcfef92458ad2553214e619498277c120cf9638ade47e6e4ef04858

    • SHA512

      4ff3192871aae3e850e27e67c44a63f77766cbf022b9d6034331ee0a2cf56e10c20161dc673911700cc15f8e730663a32dabd669272ff7e09ad9b9e999a4d749

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks