General

  • Target

    bea8c280a928fab1e1b2fbf31c515be0N

  • Size

    2.0MB

  • Sample

    240910-fwqr2szbrg

  • MD5

    bea8c280a928fab1e1b2fbf31c515be0

  • SHA1

    14e1e98e54e169ce6b775e31d070c2f88488e7a0

  • SHA256

    4f30a6676019d3abde3ab16adace56eccdacc8de665130c1ca620dca8e9a3a10

  • SHA512

    0b747887c7d9d49f5ead6c867fc83afe048a5a06885aaad17ea5e549ece31a6f6c2ce555331e520c3b873d9f0d7de285e6005cd7b2aa96c6d3bac6e91acf4ee6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

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

      bea8c280a928fab1e1b2fbf31c515be0N

    • Size

      2.0MB

    • MD5

      bea8c280a928fab1e1b2fbf31c515be0

    • SHA1

      14e1e98e54e169ce6b775e31d070c2f88488e7a0

    • SHA256

      4f30a6676019d3abde3ab16adace56eccdacc8de665130c1ca620dca8e9a3a10

    • SHA512

      0b747887c7d9d49f5ead6c867fc83afe048a5a06885aaad17ea5e549ece31a6f6c2ce555331e520c3b873d9f0d7de285e6005cd7b2aa96c6d3bac6e91acf4ee6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

    • 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