General

  • Target

    6386b5329e84c9495863e1dc9c64b65678498cfaf51368d67125737fcb9785d9N

  • Size

    2.0MB

  • Sample

    241020-dbzs4swgpp

  • MD5

    43b3c7b881de20d632038f92cbb26fb0

  • SHA1

    7f67df0af7a6dfa7b3732d78cb55f3a70d748ce7

  • SHA256

    6386b5329e84c9495863e1dc9c64b65678498cfaf51368d67125737fcb9785d9

  • SHA512

    9cbccaa35d5176c2cf57fa7712d1fb20aebdb0d6a20e916b9f58abc16e805bed1964ed2ac0dfabc8be45a98f9db824ca1768a8912b9ac433509ebd311b8171a3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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

      6386b5329e84c9495863e1dc9c64b65678498cfaf51368d67125737fcb9785d9N

    • Size

      2.0MB

    • MD5

      43b3c7b881de20d632038f92cbb26fb0

    • SHA1

      7f67df0af7a6dfa7b3732d78cb55f3a70d748ce7

    • SHA256

      6386b5329e84c9495863e1dc9c64b65678498cfaf51368d67125737fcb9785d9

    • SHA512

      9cbccaa35d5176c2cf57fa7712d1fb20aebdb0d6a20e916b9f58abc16e805bed1964ed2ac0dfabc8be45a98f9db824ca1768a8912b9ac433509ebd311b8171a3

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

    • 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