General

  • Target

    6b031e410e70989b3df201283d8f8d30N

  • Size

    2.0MB

  • Sample

    240908-f2kszs1cmh

  • MD5

    6b031e410e70989b3df201283d8f8d30

  • SHA1

    6281cab2aecbfc9367aa3b79fd3047b66aa54d2e

  • SHA256

    6b3861de672779b6bb38b1854c22bc4cfaa86c50ba96125e5f2e9e9aa5fb9e22

  • SHA512

    55aaf43a235fbce6e80f0180c4c8423646e40bb45a2b50db3a596c1d2c230cc4e050a91f6186acb6c55d1a83166edd23a8d3dcfb62bd6e448d41097330a1b70f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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

      6b031e410e70989b3df201283d8f8d30N

    • Size

      2.0MB

    • MD5

      6b031e410e70989b3df201283d8f8d30

    • SHA1

      6281cab2aecbfc9367aa3b79fd3047b66aa54d2e

    • SHA256

      6b3861de672779b6bb38b1854c22bc4cfaa86c50ba96125e5f2e9e9aa5fb9e22

    • SHA512

      55aaf43a235fbce6e80f0180c4c8423646e40bb45a2b50db3a596c1d2c230cc4e050a91f6186acb6c55d1a83166edd23a8d3dcfb62bd6e448d41097330a1b70f

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

    • 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