General

  • Target

    dttcodexgigas.582a9f8c1

  • Size

    2.0MB

  • Sample

    240917-atj9laxfqa

  • MD5

    ad7e5da7406784ec983964b81b9ceff1

  • SHA1

    582a9f8c1c2c69541f79a389a40e835287ff5428

  • SHA256

    5816e7c74590935f8fb29f79c09619ecc8d53aa98d55dab09843ae5c6dadf40e

  • SHA512

    828b68fd9feca0b995b47856657bc4dd387ca6f81b8c9469eb8b048120014bf9346508b649bc4372f012a6dde683a2965bb9cec9c21f99c2840336a5e5b3bb99

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU: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

      dttcodexgigas.582a9f8c1

    • Size

      2.0MB

    • MD5

      ad7e5da7406784ec983964b81b9ceff1

    • SHA1

      582a9f8c1c2c69541f79a389a40e835287ff5428

    • SHA256

      5816e7c74590935f8fb29f79c09619ecc8d53aa98d55dab09843ae5c6dadf40e

    • SHA512

      828b68fd9feca0b995b47856657bc4dd387ca6f81b8c9469eb8b048120014bf9346508b649bc4372f012a6dde683a2965bb9cec9c21f99c2840336a5e5b3bb99

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU: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