General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • Sample

    240916-3zpqgswfmd

  • MD5

    5376df51d48b53116c111a1965518753

  • SHA1

    2bdf95c16d263d3f7144fef8a57851872231d30a

  • SHA256

    b228fcca96c5d795d37e7a1eaa4579c79cf2b3b9a5d3a59744b70273a33fc93d

  • SHA512

    20ac32800b9b26d00e2ccf853e4c7eff285c0dbf92d6bdb5ba3e040b70aacddcbb35176b3763a7cc853436c5b3bf5b670010649427e4d235dbdfe4e62cae735b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YZ

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      SystemPropertiesPerformance.exe

    • Size

      2.0MB

    • MD5

      5376df51d48b53116c111a1965518753

    • SHA1

      2bdf95c16d263d3f7144fef8a57851872231d30a

    • SHA256

      b228fcca96c5d795d37e7a1eaa4579c79cf2b3b9a5d3a59744b70273a33fc93d

    • SHA512

      20ac32800b9b26d00e2ccf853e4c7eff285c0dbf92d6bdb5ba3e040b70aacddcbb35176b3763a7cc853436c5b3bf5b670010649427e4d235dbdfe4e62cae735b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YZ

    • 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