General

  • Target

    8ce13b810d29f411d891acc9ca4a9750N

  • Size

    2.0MB

  • Sample

    240911-t41h4s1gjd

  • MD5

    8ce13b810d29f411d891acc9ca4a9750

  • SHA1

    c91eafc187a99fe887bc0ec86facb33804933b09

  • SHA256

    b53f00e044f31150953f2094c3428cc2b4904c1bed176ae8675cfb022e44e34f

  • SHA512

    4bf10ad16737db76a07a6892bf0ddce6fb6cc9174517cfad0f63d3ab8f7d5f4e34e43f3c74289d62f27719296e4f488de2c9b922a0ef224081fb059a0b15b820

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

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

      8ce13b810d29f411d891acc9ca4a9750N

    • Size

      2.0MB

    • MD5

      8ce13b810d29f411d891acc9ca4a9750

    • SHA1

      c91eafc187a99fe887bc0ec86facb33804933b09

    • SHA256

      b53f00e044f31150953f2094c3428cc2b4904c1bed176ae8675cfb022e44e34f

    • SHA512

      4bf10ad16737db76a07a6892bf0ddce6fb6cc9174517cfad0f63d3ab8f7d5f4e34e43f3c74289d62f27719296e4f488de2c9b922a0ef224081fb059a0b15b820

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

    • 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