General

  • Target

    877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe

  • Size

    2.0MB

  • Sample

    240830-b2p1gsseqk

  • MD5

    b83b407650a4430de314fab0699bee00

  • SHA1

    daa90ab02e6073469b64ff0ff17aeb6e11cdb6f4

  • SHA256

    877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4

  • SHA512

    4bc00830b9f31f69fe45584b06373527e0941d3a967f76ce681a05fa07b1d1f0ac7ffed1f1a926bdece3c78d6ea5d5f6b02b9ce29e97899afb4c968d850497b6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

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

      877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe

    • Size

      2.0MB

    • MD5

      b83b407650a4430de314fab0699bee00

    • SHA1

      daa90ab02e6073469b64ff0ff17aeb6e11cdb6f4

    • SHA256

      877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4

    • SHA512

      4bc00830b9f31f69fe45584b06373527e0941d3a967f76ce681a05fa07b1d1f0ac7ffed1f1a926bdece3c78d6ea5d5f6b02b9ce29e97899afb4c968d850497b6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT

    • 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