General

  • Target

    2975897e9cb6d8750b03f88b2b7724dd0e34a855be719866084e098d5c60854eN

  • Size

    2.0MB

  • Sample

    241022-as4lvaxhkm

  • MD5

    73d21f1bac804fe9d261104282199300

  • SHA1

    9c62742737837dabcd85cd6dd30ff2ff65c878d4

  • SHA256

    2975897e9cb6d8750b03f88b2b7724dd0e34a855be719866084e098d5c60854e

  • SHA512

    7aeacc35f49b9c94d8dcaf97448dbbb9c0a3d29c082105f64142bcd4a87538e9323187f99b2dc08f4686feb272fb6c3630e256473fb4b0c8b91f51efecf1e8bb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      2975897e9cb6d8750b03f88b2b7724dd0e34a855be719866084e098d5c60854eN

    • Size

      2.0MB

    • MD5

      73d21f1bac804fe9d261104282199300

    • SHA1

      9c62742737837dabcd85cd6dd30ff2ff65c878d4

    • SHA256

      2975897e9cb6d8750b03f88b2b7724dd0e34a855be719866084e098d5c60854e

    • SHA512

      7aeacc35f49b9c94d8dcaf97448dbbb9c0a3d29c082105f64142bcd4a87538e9323187f99b2dc08f4686feb272fb6c3630e256473fb4b0c8b91f51efecf1e8bb

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

    • 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