General

  • Target

    4deea97365847868e6c58e8685e25560N

  • Size

    2.0MB

  • Sample

    240825-1dm9eswdma

  • MD5

    4deea97365847868e6c58e8685e25560

  • SHA1

    99975273b7c743e3357b6d24ef98e73460ddd6fc

  • SHA256

    abfa61a03fdc2366fa4f935effc1261f009cde54c8a4b54e3e70eeef6c2dcfaa

  • SHA512

    667644403b68bfe7afc9de121cf1f7d6ba1e703b8157aa873ac37adeb8cc9171f995e2dc912b4abab92ec9aa6c04dfe888273d07f6be9c8aab42236a661993db

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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

      4deea97365847868e6c58e8685e25560N

    • Size

      2.0MB

    • MD5

      4deea97365847868e6c58e8685e25560

    • SHA1

      99975273b7c743e3357b6d24ef98e73460ddd6fc

    • SHA256

      abfa61a03fdc2366fa4f935effc1261f009cde54c8a4b54e3e70eeef6c2dcfaa

    • SHA512

      667644403b68bfe7afc9de121cf1f7d6ba1e703b8157aa873ac37adeb8cc9171f995e2dc912b4abab92ec9aa6c04dfe888273d07f6be9c8aab42236a661993db

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

    • 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