General

  • Target

    5f4e720616c54e93f6d7196818063c30N.exe

  • Size

    2.0MB

  • Sample

    240814-r631xaxhqg

  • MD5

    5f4e720616c54e93f6d7196818063c30

  • SHA1

    73a5057343b59579fca093e64893043cc6a165a9

  • SHA256

    7f1443e7977bd0f604036f3904ebeb46a375fb5d31c29f136c3638ed31fd35f8

  • SHA512

    a1870d5ebae2d5691710efba344516abf127963e9e68b6c0bcdaaf19263c2759a561a1b650c794a111752368a65705ae591e9c11a51b2457e9ac7620b91f50d0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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

      5f4e720616c54e93f6d7196818063c30N.exe

    • Size

      2.0MB

    • MD5

      5f4e720616c54e93f6d7196818063c30

    • SHA1

      73a5057343b59579fca093e64893043cc6a165a9

    • SHA256

      7f1443e7977bd0f604036f3904ebeb46a375fb5d31c29f136c3638ed31fd35f8

    • SHA512

      a1870d5ebae2d5691710efba344516abf127963e9e68b6c0bcdaaf19263c2759a561a1b650c794a111752368a65705ae591e9c11a51b2457e9ac7620b91f50d0

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

    • 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