General

  • Target

    675701949f6b896eebb9fd312b41ce20N.exe

  • Size

    2.0MB

  • Sample

    240830-1gb1kaxgpk

  • MD5

    675701949f6b896eebb9fd312b41ce20

  • SHA1

    a5ea8fe5085ec4cd36b130714c01c2ce65e780b1

  • SHA256

    0273f6dd5a6c6e18f53498055b60be9d6c2aa07873389b6a8202c39d46f87ae3

  • SHA512

    bb14e9c6f37de5a7c5f4181341cb1e5d8c0747081e69290b0ea0c8575a7b3bb396349725833413eb38c603e14d7e71d9d1419fe031c45b2e3bfb932c1b7a12e5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

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

      675701949f6b896eebb9fd312b41ce20N.exe

    • Size

      2.0MB

    • MD5

      675701949f6b896eebb9fd312b41ce20

    • SHA1

      a5ea8fe5085ec4cd36b130714c01c2ce65e780b1

    • SHA256

      0273f6dd5a6c6e18f53498055b60be9d6c2aa07873389b6a8202c39d46f87ae3

    • SHA512

      bb14e9c6f37de5a7c5f4181341cb1e5d8c0747081e69290b0ea0c8575a7b3bb396349725833413eb38c603e14d7e71d9d1419fe031c45b2e3bfb932c1b7a12e5

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

    • 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.

    • 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