General

  • Target

    03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N

  • Size

    2.0MB

  • Sample

    240922-gd82cavarc

  • MD5

    71b4a7ae4afdf05f84d1a730f1e8a8d0

  • SHA1

    2632bdc9fd13003825b6fb9622f8e886c3c9ea9d

  • SHA256

    03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90

  • SHA512

    c3d4860cd005b572486a5b51f30f9ba86de10361703c23e07872a0d3537324977978dc94a52b15d99a1ca99a0c712317ff53190977972ac00d0f58406454d60b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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

      03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90N

    • Size

      2.0MB

    • MD5

      71b4a7ae4afdf05f84d1a730f1e8a8d0

    • SHA1

      2632bdc9fd13003825b6fb9622f8e886c3c9ea9d

    • SHA256

      03817a79e756967b03d0c67bf006659962db53e6a8b08f7ac5499e6c5e161c90

    • SHA512

      c3d4860cd005b572486a5b51f30f9ba86de10361703c23e07872a0d3537324977978dc94a52b15d99a1ca99a0c712317ff53190977972ac00d0f58406454d60b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

    • 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