General

  • Target

    23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N

  • Size

    2.0MB

  • Sample

    241004-lv538s1hlc

  • MD5

    896386f15c29137fd08fefd7f2a5b4b0

  • SHA1

    b2a78354ce8032aa3348033f76c26429f3f1e35a

  • SHA256

    23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591

  • SHA512

    94f7f2ee71bcc80e9659e709de04f765d2bb125e8740057d00cc253dc702db6aaca4ead2a22ab2bd9c854278926dba41c98667268fa069f1fc84cde8beed6b71

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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

      23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N

    • Size

      2.0MB

    • MD5

      896386f15c29137fd08fefd7f2a5b4b0

    • SHA1

      b2a78354ce8032aa3348033f76c26429f3f1e35a

    • SHA256

      23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591

    • SHA512

      94f7f2ee71bcc80e9659e709de04f765d2bb125e8740057d00cc253dc702db6aaca4ead2a22ab2bd9c854278926dba41c98667268fa069f1fc84cde8beed6b71

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

    • 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