General

  • Target

    508e555f45432ac7c2cf03e85d40e44139021987ae1fdcc1a310d12bc2295c99

  • Size

    2.0MB

  • Sample

    240817-12nj4aserq

  • MD5

    11b481489c61d4fb6ae5511bd2d047d8

  • SHA1

    2979994b6a9c6867579dc6339c50582ca675e8cb

  • SHA256

    508e555f45432ac7c2cf03e85d40e44139021987ae1fdcc1a310d12bc2295c99

  • SHA512

    7453f154fc7df1e23a97461602eec61038593ece8eb45038760f328d23191a7bcb078a0a0504dddaf93ba4e737ab05cc415c2e036e11cd20d439833bc24da999

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

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

      508e555f45432ac7c2cf03e85d40e44139021987ae1fdcc1a310d12bc2295c99

    • Size

      2.0MB

    • MD5

      11b481489c61d4fb6ae5511bd2d047d8

    • SHA1

      2979994b6a9c6867579dc6339c50582ca675e8cb

    • SHA256

      508e555f45432ac7c2cf03e85d40e44139021987ae1fdcc1a310d12bc2295c99

    • SHA512

      7453f154fc7df1e23a97461602eec61038593ece8eb45038760f328d23191a7bcb078a0a0504dddaf93ba4e737ab05cc415c2e036e11cd20d439833bc24da999

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YE

    • 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