General

  • Target

    a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e

  • Size

    2.0MB

  • Sample

    240926-a6kqwszgrc

  • MD5

    ccb4dfbb22f36fea1236c4100d54d214

  • SHA1

    8db45e1e327e1c0db5e4e0a2504c034c92ec5828

  • SHA256

    a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e

  • SHA512

    08b79cce9dc7704de1f223af2f5edebe0185cfe4cadffd4f32dfb151d7b58183d32dcd05b8abb8007437587b7acea01a143c2c6e66971065f88cdfa70ed2346a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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

      a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e

    • Size

      2.0MB

    • MD5

      ccb4dfbb22f36fea1236c4100d54d214

    • SHA1

      8db45e1e327e1c0db5e4e0a2504c034c92ec5828

    • SHA256

      a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e

    • SHA512

      08b79cce9dc7704de1f223af2f5edebe0185cfe4cadffd4f32dfb151d7b58183d32dcd05b8abb8007437587b7acea01a143c2c6e66971065f88cdfa70ed2346a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

    • 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