General

  • Target

    8973d3c21497e4a9fae1bbf6159f9180N

  • Size

    2.0MB

  • Sample

    240913-zx6z7syerl

  • MD5

    8973d3c21497e4a9fae1bbf6159f9180

  • SHA1

    94e06796ab80d7390596cfbedde1c5e6d014ec46

  • SHA256

    e846bdd9906220e2b67264471be1a34bd1acbf47336d343808de6294a3f06253

  • SHA512

    35ca28413578c3ad1bbfb912bb666eff715b4f7d83c0661d5c922b8c6b012b9c67dc36b9c1a486a11e54bda52facac32085cbe3428137b89e30866bb35938eb3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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

      8973d3c21497e4a9fae1bbf6159f9180N

    • Size

      2.0MB

    • MD5

      8973d3c21497e4a9fae1bbf6159f9180

    • SHA1

      94e06796ab80d7390596cfbedde1c5e6d014ec46

    • SHA256

      e846bdd9906220e2b67264471be1a34bd1acbf47336d343808de6294a3f06253

    • SHA512

      35ca28413578c3ad1bbfb912bb666eff715b4f7d83c0661d5c922b8c6b012b9c67dc36b9c1a486a11e54bda52facac32085cbe3428137b89e30866bb35938eb3

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

    • 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.

    • 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