General

  • Target

    5824bc996a946d3466ffc2e8732e1628d243aa2c0ad29c09f08cb790cd07e53f

  • Size

    2.0MB

  • Sample

    240804-1rs2ts1fnf

  • MD5

    851f214fe9579012362ceea7f619f0b4

  • SHA1

    44e21bfc4c00231383fd87d03ba77605f1285baa

  • SHA256

    5824bc996a946d3466ffc2e8732e1628d243aa2c0ad29c09f08cb790cd07e53f

  • SHA512

    7f61c5b45c2fdb3ba72488769fd2d11ff70ebe21b12cb33342b5cf0a2600ad71bb60ddc95caa9d64fd7d92b70f27200090be7a0a8244d7db59858df06eb61140

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YU

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      5824bc996a946d3466ffc2e8732e1628d243aa2c0ad29c09f08cb790cd07e53f

    • Size

      2.0MB

    • MD5

      851f214fe9579012362ceea7f619f0b4

    • SHA1

      44e21bfc4c00231383fd87d03ba77605f1285baa

    • SHA256

      5824bc996a946d3466ffc2e8732e1628d243aa2c0ad29c09f08cb790cd07e53f

    • SHA512

      7f61c5b45c2fdb3ba72488769fd2d11ff70ebe21b12cb33342b5cf0a2600ad71bb60ddc95caa9d64fd7d92b70f27200090be7a0a8244d7db59858df06eb61140

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YU

    • 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