General

  • Target

    b4c9d317ae919f607b76c58bf2198180N

  • Size

    2.0MB

  • Sample

    240914-yzgmnatdkr

  • MD5

    b4c9d317ae919f607b76c58bf2198180

  • SHA1

    05a1ea58385035598e78d51d2943c2d30239a3fb

  • SHA256

    4f11284336c65064a76c810d1a8e21fae07a5e785a99a8c3b7f8fdc2a1309ed5

  • SHA512

    d422feb4af476b3eb084d8d8af6e7924d580994a01a86757fc077d81a037f0fdefa556f3ad9bbc4defdb3ff3b499eb031b7a1b834bdbe7e115a936f0e0cb8685

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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

      b4c9d317ae919f607b76c58bf2198180N

    • Size

      2.0MB

    • MD5

      b4c9d317ae919f607b76c58bf2198180

    • SHA1

      05a1ea58385035598e78d51d2943c2d30239a3fb

    • SHA256

      4f11284336c65064a76c810d1a8e21fae07a5e785a99a8c3b7f8fdc2a1309ed5

    • SHA512

      d422feb4af476b3eb084d8d8af6e7924d580994a01a86757fc077d81a037f0fdefa556f3ad9bbc4defdb3ff3b499eb031b7a1b834bdbe7e115a936f0e0cb8685

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

    • 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