General

  • Target

    633df299ed92bd919ba85fa7a5730839523d83ac543a0c7701a828cdf1e3f7c7N

  • Size

    2.0MB

  • Sample

    241017-gcvgkavaqc

  • MD5

    5e86b4708529ff2ca05052713d888ba0

  • SHA1

    4669b4e7b3a787249e741c676e1a51ecb8e130fc

  • SHA256

    633df299ed92bd919ba85fa7a5730839523d83ac543a0c7701a828cdf1e3f7c7

  • SHA512

    a4f658ec4b2538c28b325da515f126f962e34b7a5a916476370cb883b77d6cb6dbe605616e43c0a9c87007e9c8fcb7f90222a4453d06ef6064ba28d630bd3d2b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      633df299ed92bd919ba85fa7a5730839523d83ac543a0c7701a828cdf1e3f7c7N

    • Size

      2.0MB

    • MD5

      5e86b4708529ff2ca05052713d888ba0

    • SHA1

      4669b4e7b3a787249e741c676e1a51ecb8e130fc

    • SHA256

      633df299ed92bd919ba85fa7a5730839523d83ac543a0c7701a828cdf1e3f7c7

    • SHA512

      a4f658ec4b2538c28b325da515f126f962e34b7a5a916476370cb883b77d6cb6dbe605616e43c0a9c87007e9c8fcb7f90222a4453d06ef6064ba28d630bd3d2b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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