General

  • Target

    ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN

  • Size

    2.0MB

  • Sample

    240919-kmtvkazgrn

  • MD5

    67d526e82238fb903c828653e6925bd0

  • SHA1

    7034f2219c8d27a9266b4d4e0ab432cda518971e

  • SHA256

    ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661c

  • SHA512

    68be49b95d9eace0cc6877bfeaf076dbb6e329e6c15755ef4c21c5e976f8a9e6f54d1dcc495d509176acd666107a6ce30f2eba9b2d7a1ef8968085723015fb51

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN

    • Size

      2.0MB

    • MD5

      67d526e82238fb903c828653e6925bd0

    • SHA1

      7034f2219c8d27a9266b4d4e0ab432cda518971e

    • SHA256

      ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661c

    • SHA512

      68be49b95d9eace0cc6877bfeaf076dbb6e329e6c15755ef4c21c5e976f8a9e6f54d1dcc495d509176acd666107a6ce30f2eba9b2d7a1ef8968085723015fb51

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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