General

  • Target

    8593dddd537ff3f23be4ea3b63a2e420N.exe

  • Size

    2.0MB

  • Sample

    240905-svdsbatcpm

  • MD5

    8593dddd537ff3f23be4ea3b63a2e420

  • SHA1

    07dcea2203cd7c1631c72e9d3dbb628352de75c1

  • SHA256

    76b78f932d25e29b7630092249a054fd274b52f2401c5c26e4470621b26c9f35

  • SHA512

    cd9cffd028f0a217ef5bbe522f8afb11f91939f5751fe1b27e644940ccc7718eed3d3b6fbbc9f5f33d33f763a3a65e0ab73685711ef0a547bd1f3d5bb9f50a99

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      8593dddd537ff3f23be4ea3b63a2e420N.exe

    • Size

      2.0MB

    • MD5

      8593dddd537ff3f23be4ea3b63a2e420

    • SHA1

      07dcea2203cd7c1631c72e9d3dbb628352de75c1

    • SHA256

      76b78f932d25e29b7630092249a054fd274b52f2401c5c26e4470621b26c9f35

    • SHA512

      cd9cffd028f0a217ef5bbe522f8afb11f91939f5751fe1b27e644940ccc7718eed3d3b6fbbc9f5f33d33f763a3a65e0ab73685711ef0a547bd1f3d5bb9f50a99

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

    • 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