General

  • Target

    3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N

  • Size

    2.0MB

  • Sample

    241002-sbf4bsscrl

  • MD5

    45703af5a5e2fbb769a367deb5461940

  • SHA1

    672273ec0100591bc033f1e01f4b69ea9f354ae1

  • SHA256

    3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9

  • SHA512

    ff00570ee73038137fada410fe0726e3d9afb344eefb3180fc17c5b2a1f35c9210b871c03572d12f9b3f8c7b0a75aac86ef6385455ec67b71639c248f38983b5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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

      3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9N

    • Size

      2.0MB

    • MD5

      45703af5a5e2fbb769a367deb5461940

    • SHA1

      672273ec0100591bc033f1e01f4b69ea9f354ae1

    • SHA256

      3d0e5cf99a69ea347ce8760882c31a97411305e3d903efd0326a9836ae6808d9

    • SHA512

      ff00570ee73038137fada410fe0726e3d9afb344eefb3180fc17c5b2a1f35c9210b871c03572d12f9b3f8c7b0a75aac86ef6385455ec67b71639c248f38983b5

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

    • 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