General

  • Target

    57bf33293718afc03002f03546f91f10N

  • Size

    2.0MB

  • Sample

    240910-svxv7azfqm

  • MD5

    57bf33293718afc03002f03546f91f10

  • SHA1

    471be38e5b934e6fc0b1eb4d2186b9346235acf6

  • SHA256

    b1959f63373b2fd49b10a2ea48193dbc9e6ed9adafcdcf09054c5100cd51a38c

  • SHA512

    7be5a5adf23991c28c0038ba80285d676b7953db36d4bd7f7be29ebeec36621d063748bbebecf9c803166a80d7be7089d088c942cb42e557214744d392a021d6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

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

      57bf33293718afc03002f03546f91f10N

    • Size

      2.0MB

    • MD5

      57bf33293718afc03002f03546f91f10

    • SHA1

      471be38e5b934e6fc0b1eb4d2186b9346235acf6

    • SHA256

      b1959f63373b2fd49b10a2ea48193dbc9e6ed9adafcdcf09054c5100cd51a38c

    • SHA512

      7be5a5adf23991c28c0038ba80285d676b7953db36d4bd7f7be29ebeec36621d063748bbebecf9c803166a80d7be7089d088c942cb42e557214744d392a021d6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

    • 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