General

  • Target

    11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7

  • Size

    2.0MB

  • Sample

    240824-x9dhbaxcpn

  • MD5

    897667b966e5e7c5e213872eb13e8d48

  • SHA1

    db5bfa59b09da7c53ec134c556cbd192e29d8d0c

  • SHA256

    11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7

  • SHA512

    db547167129a70bfdc249efab3084057ae6222e5206729e35ff287ecadde1933ac6a496b55662c1f519799147598d26d6dd6c97aadf12d4d7dac05ef61bea7e7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

      11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7

    • Size

      2.0MB

    • MD5

      897667b966e5e7c5e213872eb13e8d48

    • SHA1

      db5bfa59b09da7c53ec134c556cbd192e29d8d0c

    • SHA256

      11b52f2a8860097063154c2e644656e5aa6d86f39e790a831e5ddde0b94376b7

    • SHA512

      db547167129a70bfdc249efab3084057ae6222e5206729e35ff287ecadde1933ac6a496b55662c1f519799147598d26d6dd6c97aadf12d4d7dac05ef61bea7e7

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

    • 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