General

  • Target

    a691722fdd483c17e0de0f6376bd7dc0N.exe

  • Size

    2.0MB

  • Sample

    240823-y5hrxathqf

  • MD5

    a691722fdd483c17e0de0f6376bd7dc0

  • SHA1

    b1d2a77d3cae763fb8a8637cbab2bc56599ffecf

  • SHA256

    fff4f11dbc7943d89fcfa04aef243e4b214a19615183302d6b619416060502ae

  • SHA512

    79564e3df72bd6cf818466b36dc0b1ac03c81c5c57e5e7a861aa4e37735308015f6558cb5579d6e48fa0636b4b86d8b39146a25c2153511fd07e099db4371aa9

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YA

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

      a691722fdd483c17e0de0f6376bd7dc0N.exe

    • Size

      2.0MB

    • MD5

      a691722fdd483c17e0de0f6376bd7dc0

    • SHA1

      b1d2a77d3cae763fb8a8637cbab2bc56599ffecf

    • SHA256

      fff4f11dbc7943d89fcfa04aef243e4b214a19615183302d6b619416060502ae

    • SHA512

      79564e3df72bd6cf818466b36dc0b1ac03c81c5c57e5e7a861aa4e37735308015f6558cb5579d6e48fa0636b4b86d8b39146a25c2153511fd07e099db4371aa9

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YA

    • 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