General

  • Target

    6926496992533f5b3ceecbb2e133bb40N

  • Size

    2.0MB

  • Sample

    240826-hhf2sssalj

  • MD5

    6926496992533f5b3ceecbb2e133bb40

  • SHA1

    f352ea27138f74158da6927d8da739e0db7759aa

  • SHA256

    783afb7fa13422d2c1f1e92376645be3a5f3a3837a546948b1bf421ec8ffff9a

  • SHA512

    889ed912d8619ae6cafc5f5bb03c7288f4735a18fbec8bbe08abdc8787d27ac7207bb9f40704467cda0e5c9142ff39197d739efa796b934fce6222c5d9d5e47d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YR

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

      6926496992533f5b3ceecbb2e133bb40N

    • Size

      2.0MB

    • MD5

      6926496992533f5b3ceecbb2e133bb40

    • SHA1

      f352ea27138f74158da6927d8da739e0db7759aa

    • SHA256

      783afb7fa13422d2c1f1e92376645be3a5f3a3837a546948b1bf421ec8ffff9a

    • SHA512

      889ed912d8619ae6cafc5f5bb03c7288f4735a18fbec8bbe08abdc8787d27ac7207bb9f40704467cda0e5c9142ff39197d739efa796b934fce6222c5d9d5e47d

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YR

    • 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