General

  • Target

    49f890bb2ff82fdf2c4579e0374625f0N.exe

  • Size

    2.0MB

  • Sample

    240823-r648zazhkd

  • MD5

    49f890bb2ff82fdf2c4579e0374625f0

  • SHA1

    1acec61c22ad5b0a042b417f8c3bc5c15c58bfe3

  • SHA256

    da137b36d74d27ae87d30aa1878f233a147d431481bcf2e45d96729404a7f29c

  • SHA512

    a7f44d48fb0e687a668fde5f3f37d8d88002c3c185e7cdbffeb8d3754ec824e4d6dffe111bb512475769d88b1101cd3ef579166c78c21d87d36fd71007f673d7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

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

      49f890bb2ff82fdf2c4579e0374625f0N.exe

    • Size

      2.0MB

    • MD5

      49f890bb2ff82fdf2c4579e0374625f0

    • SHA1

      1acec61c22ad5b0a042b417f8c3bc5c15c58bfe3

    • SHA256

      da137b36d74d27ae87d30aa1878f233a147d431481bcf2e45d96729404a7f29c

    • SHA512

      a7f44d48fb0e687a668fde5f3f37d8d88002c3c185e7cdbffeb8d3754ec824e4d6dffe111bb512475769d88b1101cd3ef579166c78c21d87d36fd71007f673d7

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

    • 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