General

  • Target

    c31f4142a43ea6ae5289c92582130fa0N.exe

  • Size

    2.0MB

  • Sample

    240812-1c53va1clq

  • MD5

    c31f4142a43ea6ae5289c92582130fa0

  • SHA1

    373921bc6f4ef367a12bf70c168445591095bbc4

  • SHA256

    7b2902885fb977a2dc659b1db9f5fb4b49646a547e354df219e71c3dfd16810e

  • SHA512

    5536dcd05aa83c6766d774a84127526892b9216fcbea7a22ba60f3628ff713ef362051abb0f88f8f87a46243a3bff899e8ead0a9749d266e8b3e17d92563eb5a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

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

      c31f4142a43ea6ae5289c92582130fa0N.exe

    • Size

      2.0MB

    • MD5

      c31f4142a43ea6ae5289c92582130fa0

    • SHA1

      373921bc6f4ef367a12bf70c168445591095bbc4

    • SHA256

      7b2902885fb977a2dc659b1db9f5fb4b49646a547e354df219e71c3dfd16810e

    • SHA512

      5536dcd05aa83c6766d774a84127526892b9216fcbea7a22ba60f3628ff713ef362051abb0f88f8f87a46243a3bff899e8ead0a9749d266e8b3e17d92563eb5a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks