General

  • Target

    471f39f758c3c50f62d295dd22e3a060.bin

  • Size

    2.0MB

  • Sample

    240614-b4ebrszgqd

  • MD5

    471f39f758c3c50f62d295dd22e3a060

  • SHA1

    6fa6bcab273ec548205d4f38723b227e1f4edfc7

  • SHA256

    8ee25c1d81e4220271ae3b191791e0e5b794331dd12710daa9a1650574c3294c

  • SHA512

    213a2b4aceb19b120474a45116bd410f7491763562e12e971c8144a72a9e806cb183484040bdae2d1a0abf6f3980134be4cf51f02a1573e92fe848b30dac9607

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yh

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

      471f39f758c3c50f62d295dd22e3a060.bin

    • Size

      2.0MB

    • MD5

      471f39f758c3c50f62d295dd22e3a060

    • SHA1

      6fa6bcab273ec548205d4f38723b227e1f4edfc7

    • SHA256

      8ee25c1d81e4220271ae3b191791e0e5b794331dd12710daa9a1650574c3294c

    • SHA512

      213a2b4aceb19b120474a45116bd410f7491763562e12e971c8144a72a9e806cb183484040bdae2d1a0abf6f3980134be4cf51f02a1573e92fe848b30dac9607

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yh

    • 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