General

  • Target

    5cdb6eaba865181f68a4a7ae7ad99020N.exe

  • Size

    2.0MB

  • Sample

    240801-ktxvsssdmq

  • MD5

    5cdb6eaba865181f68a4a7ae7ad99020

  • SHA1

    369d5edccb4384260a7bd85e89655070c7f6d0f6

  • SHA256

    1ff8a9954827b008463b168dbdac495a0b5412f8785ccec8cec59bacbfc1a71f

  • SHA512

    db18426cef69b6df973bef9805c986d55876c401253b87c0724b2522e9bd3863e66b3c607f84c44289251add815169e1225c0e1b7d546dadc7c6800bf94152d8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

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

      5cdb6eaba865181f68a4a7ae7ad99020N.exe

    • Size

      2.0MB

    • MD5

      5cdb6eaba865181f68a4a7ae7ad99020

    • SHA1

      369d5edccb4384260a7bd85e89655070c7f6d0f6

    • SHA256

      1ff8a9954827b008463b168dbdac495a0b5412f8785ccec8cec59bacbfc1a71f

    • SHA512

      db18426cef69b6df973bef9805c986d55876c401253b87c0724b2522e9bd3863e66b3c607f84c44289251add815169e1225c0e1b7d546dadc7c6800bf94152d8

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

    • 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