General

  • Target

    72d916581d640badb4702b8d99ee782033e014295110dbbf8f2a4c281dc421bf

  • Size

    2.0MB

  • Sample

    240811-2f46dssblm

  • MD5

    75e1f05ca19fd1b57611c8230c0fc280

  • SHA1

    a789442e3a6fac25741bf0f798ba9a87e3f42aef

  • SHA256

    72d916581d640badb4702b8d99ee782033e014295110dbbf8f2a4c281dc421bf

  • SHA512

    9d7b2cf4ce68f1244aaa89d4742d8a60e1b6a535af8305cbae87e543799b9d480eaaf78ae206830e896f04870aa5feea254b80734988c13fe8a7d149dcaa9587

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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

      72d916581d640badb4702b8d99ee782033e014295110dbbf8f2a4c281dc421bf

    • Size

      2.0MB

    • MD5

      75e1f05ca19fd1b57611c8230c0fc280

    • SHA1

      a789442e3a6fac25741bf0f798ba9a87e3f42aef

    • SHA256

      72d916581d640badb4702b8d99ee782033e014295110dbbf8f2a4c281dc421bf

    • SHA512

      9d7b2cf4ce68f1244aaa89d4742d8a60e1b6a535af8305cbae87e543799b9d480eaaf78ae206830e896f04870aa5feea254b80734988c13fe8a7d149dcaa9587

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

    • 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