General

  • Target

    dbf5896dc0cfa5e81ad8c24d89b59f40N.exe

  • Size

    2.0MB

  • Sample

    240806-x1lsbs1fqh

  • MD5

    dbf5896dc0cfa5e81ad8c24d89b59f40

  • SHA1

    2decd7ca08d44a5dcdc4726dd22440549ed56ebe

  • SHA256

    3f70133c1a446d59d66fd1929617625ff6cd3bbabd5fb5d25e22c53483e70eaf

  • SHA512

    2f2e1ee78bf96eb0d02c9f1ecae7e5651b037fc28f7d809c967e09509f655500cc9222ebf83c14d6358f70ecfdcde04ae868b3b2d76bb0ae39e9bc1e1872ffbd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++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

      dbf5896dc0cfa5e81ad8c24d89b59f40N.exe

    • Size

      2.0MB

    • MD5

      dbf5896dc0cfa5e81ad8c24d89b59f40

    • SHA1

      2decd7ca08d44a5dcdc4726dd22440549ed56ebe

    • SHA256

      3f70133c1a446d59d66fd1929617625ff6cd3bbabd5fb5d25e22c53483e70eaf

    • SHA512

      2f2e1ee78bf96eb0d02c9f1ecae7e5651b037fc28f7d809c967e09509f655500cc9222ebf83c14d6358f70ecfdcde04ae868b3b2d76bb0ae39e9bc1e1872ffbd

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++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.

    • 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