General

  • Target

    c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c

  • Size

    2.0MB

  • Sample

    240528-dj2yfacd5y

  • MD5

    da833e33a67c144eae7850b898192f1e

  • SHA1

    c8e713b603d22abd2de7842cb155104cddd50bbf

  • SHA256

    c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c

  • SHA512

    d0c9e6f7e991acac5f66636fd4c47687da0de398b64d4b20e000ad22fb07c5c3b4e97ec5a6940f7c3f60f7219084e0b7f0934ebe753bbc5bf80b6a80021995aa

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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

      c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c

    • Size

      2.0MB

    • MD5

      da833e33a67c144eae7850b898192f1e

    • SHA1

      c8e713b603d22abd2de7842cb155104cddd50bbf

    • SHA256

      c99601e44aee3254aa24da8df64c42d6c36462992e0a936e494188f9adaba48c

    • SHA512

      d0c9e6f7e991acac5f66636fd4c47687da0de398b64d4b20e000ad22fb07c5c3b4e97ec5a6940f7c3f60f7219084e0b7f0934ebe753bbc5bf80b6a80021995aa

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

    • 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

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing common artifacts observed in infostealers

    • 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