General

  • Target

    8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4

  • Size

    2.0MB

  • Sample

    240703-aekxks1ekk

  • MD5

    769ded1ba7b202918ff301a726156481

  • SHA1

    a21c5a68bb2c9e8a89dafa1bad6fda99d3196ba4

  • SHA256

    8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4

  • SHA512

    9644f639c322fb1a3d5b78ebcd1e1c8fab39e3313aceca713d25aae331cc54d178e26144c52b0e19a7c83053f2fb48fd3ed1459358cf257a5de87819db18f4b4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYk:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

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

      8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4

    • Size

      2.0MB

    • MD5

      769ded1ba7b202918ff301a726156481

    • SHA1

      a21c5a68bb2c9e8a89dafa1bad6fda99d3196ba4

    • SHA256

      8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4

    • SHA512

      9644f639c322fb1a3d5b78ebcd1e1c8fab39e3313aceca713d25aae331cc54d178e26144c52b0e19a7c83053f2fb48fd3ed1459358cf257a5de87819db18f4b4

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYk:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

    • 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