General

  • Target

    d25077b6b3c6d3cd8ca38dd4eb410a8f56fa2f889459c96fe4746d9c4dc9a7cfN.exe

  • Size

    2.0MB

  • Sample

    250116-kbraassmbk

  • MD5

    36a308a5a1ac469c493a84a1b0c96240

  • SHA1

    6b6d55af7eed02af39e1adaa3b4a9fb4eb6938c8

  • SHA256

    d25077b6b3c6d3cd8ca38dd4eb410a8f56fa2f889459c96fe4746d9c4dc9a7cf

  • SHA512

    2cdf91779579beb0de8a259f1b368fb82593e3dd91354ac8537eb22089a040c52e142306350caa49044366ca06573aaf3278ee4a5aa3f6da196a7f423335d075

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYX:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YZ

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

      d25077b6b3c6d3cd8ca38dd4eb410a8f56fa2f889459c96fe4746d9c4dc9a7cfN.exe

    • Size

      2.0MB

    • MD5

      36a308a5a1ac469c493a84a1b0c96240

    • SHA1

      6b6d55af7eed02af39e1adaa3b4a9fb4eb6938c8

    • SHA256

      d25077b6b3c6d3cd8ca38dd4eb410a8f56fa2f889459c96fe4746d9c4dc9a7cf

    • SHA512

      2cdf91779579beb0de8a259f1b368fb82593e3dd91354ac8537eb22089a040c52e142306350caa49044366ca06573aaf3278ee4a5aa3f6da196a7f423335d075

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYX:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YZ

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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