General

  • Target

    2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098

  • Size

    2.0MB

  • Sample

    240914-x6kgfs1frq

  • MD5

    6455707048e4074c71d0b58d63f2c485

  • SHA1

    fca6aebb1eaac4e375647613fddf0e44d86b50be

  • SHA256

    2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098

  • SHA512

    d359d45dcd469a4e103ac043989111eeceda0ccdd1a05d5915a747f666187c323ad3b95e96188f98c5c49dd3df94ba4e8735e794e1cfaf104d46d5437579e2f6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

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

      2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098

    • Size

      2.0MB

    • MD5

      6455707048e4074c71d0b58d63f2c485

    • SHA1

      fca6aebb1eaac4e375647613fddf0e44d86b50be

    • SHA256

      2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098

    • SHA512

      d359d45dcd469a4e103ac043989111eeceda0ccdd1a05d5915a747f666187c323ad3b95e96188f98c5c49dd3df94ba4e8735e794e1cfaf104d46d5437579e2f6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

    • 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