General

  • Target

    31e3505cf4317007986277382935a60c2ae444065607cd2c11b35cab72ce6488N

  • Size

    2.0MB

  • Sample

    241013-ymzbyavgmh

  • MD5

    a3bb7594683e70a55e63d168bcd1dfb0

  • SHA1

    c4fa7795b47d514034094278dd3266fac0e911ed

  • SHA256

    31e3505cf4317007986277382935a60c2ae444065607cd2c11b35cab72ce6488

  • SHA512

    174ac041a3b941db4d1206acea6870af42a5d9ac48b0644af82e1a953d6ef84aa9792544c707975cdf4e34a647ff2afde099ae572b4e878705f274d11b355122

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYH:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yh

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

      31e3505cf4317007986277382935a60c2ae444065607cd2c11b35cab72ce6488N

    • Size

      2.0MB

    • MD5

      a3bb7594683e70a55e63d168bcd1dfb0

    • SHA1

      c4fa7795b47d514034094278dd3266fac0e911ed

    • SHA256

      31e3505cf4317007986277382935a60c2ae444065607cd2c11b35cab72ce6488

    • SHA512

      174ac041a3b941db4d1206acea6870af42a5d9ac48b0644af82e1a953d6ef84aa9792544c707975cdf4e34a647ff2afde099ae572b4e878705f274d11b355122

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYH:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yh

    • 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