General

  • Target

    a991010ec527616eb57429c4fe1080b0

  • Size

    2.0MB

  • Sample

    240917-adrzhaxapj

  • MD5

    a991010ec527616eb57429c4fe1080b0

  • SHA1

    a41d9a1fa4d8404f6a599b4fccb1b706868e0e83

  • SHA256

    604c50d5c328e806b656d92431f5d0c99acd380f5052c0e9a3db148992d165e7

  • SHA512

    a30e6ed9c0a2f4485790da677ea7b097bdefc0ea8668df6a6f07666483ba26a20112c69c52e40a045a4519b1f4fa598006873bb9e0303c7cbe39af5a4dc9ea45

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm: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

      a991010ec527616eb57429c4fe1080b0

    • Size

      2.0MB

    • MD5

      a991010ec527616eb57429c4fe1080b0

    • SHA1

      a41d9a1fa4d8404f6a599b4fccb1b706868e0e83

    • SHA256

      604c50d5c328e806b656d92431f5d0c99acd380f5052c0e9a3db148992d165e7

    • SHA512

      a30e6ed9c0a2f4485790da677ea7b097bdefc0ea8668df6a6f07666483ba26a20112c69c52e40a045a4519b1f4fa598006873bb9e0303c7cbe39af5a4dc9ea45

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm: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