General

  • Target

    f71596640ff6d10d1cd1d4d30f7a5f59a090ec915f69bd70a4e858735d435572N.exe

  • Size

    2.0MB

  • Sample

    250115-27jzjazrfl

  • MD5

    740f3d9881068cf711aa07a436061080

  • SHA1

    f03c2da829a04cdf2586c5450e913396f9369f9c

  • SHA256

    f71596640ff6d10d1cd1d4d30f7a5f59a090ec915f69bd70a4e858735d435572

  • SHA512

    1ded86c337c4e9066dc28f1f32cb7a9ca7bcadc0ef3e72ea4892d260c2c1b83396192a2117cbdbe9e283075d7163c70521b5263dbaa30a26fd956fa567176966

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYo:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

      f71596640ff6d10d1cd1d4d30f7a5f59a090ec915f69bd70a4e858735d435572N.exe

    • Size

      2.0MB

    • MD5

      740f3d9881068cf711aa07a436061080

    • SHA1

      f03c2da829a04cdf2586c5450e913396f9369f9c

    • SHA256

      f71596640ff6d10d1cd1d4d30f7a5f59a090ec915f69bd70a4e858735d435572

    • SHA512

      1ded86c337c4e9066dc28f1f32cb7a9ca7bcadc0ef3e72ea4892d260c2c1b83396192a2117cbdbe9e283075d7163c70521b5263dbaa30a26fd956fa567176966

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYo:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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